mirror of https://github.com/apache/druid.git
working indexer console
This commit is contained in:
Fangjin Yang
parent
10ec2288ee
commit
9d9efadf72
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@ -35,8 +35,6 @@ import com.metamx.druid.index.v1.IndexableAdapter;
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import com.metamx.druid.index.v1.QueryableIndexIndexableAdapter;
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import com.metamx.druid.index.v1.Rowboat;
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import com.metamx.druid.index.v1.RowboatFilteringIndexAdapter;
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import org.joda.time.Interval;
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import javax.annotation.Nullable;
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@ -31,8 +31,6 @@ import com.metamx.druid.index.QueryableIndex;
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import com.metamx.druid.index.v1.IndexIO;
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import com.metamx.druid.index.v1.IndexMerger;
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import javax.annotation.Nullable;
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import java.io.File;
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import java.util.List;
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@ -33,8 +33,6 @@ import com.metamx.druid.merger.common.actions.SpawnTasksAction;
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import com.metamx.druid.realtime.FirehoseFactory;
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import com.metamx.druid.realtime.Schema;
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import com.metamx.druid.shard.NoneShardSpec;
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import org.joda.time.DateTime;
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import org.joda.time.Interval;
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@ -1,18 +1,18 @@
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package com.metamx.druid.merger.common.task;
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import com.fasterxml.jackson.annotation.JsonCreator;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Iterables;
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import com.metamx.common.ISE;
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import com.metamx.common.logger.Logger;
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import com.metamx.druid.client.DataSegment;
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import com.metamx.druid.merger.common.TaskLock;
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import com.metamx.druid.merger.common.TaskStatus;
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import com.metamx.druid.merger.common.TaskToolbox;
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import com.metamx.druid.merger.common.actions.LockListAction;
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import com.metamx.druid.merger.common.actions.SegmentListUnusedAction;
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import com.metamx.druid.merger.common.actions.SegmentNukeAction;
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import com.metamx.druid.merger.common.TaskLock;
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import com.fasterxml.jackson.annotation.JsonCreator;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import org.joda.time.DateTime;
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import org.joda.time.Interval;
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@ -100,7 +100,7 @@ public class TaskMasterLifecycle
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leaderLifecycle.addManagedInstance(taskRunner);
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Initialization.makeServiceDiscoveryClient(curator, serviceDiscoveryConfig, leaderLifecycle);
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leaderLifecycle.addManagedInstance(taskConsumer);
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leaderLifecycle.addManagedInstance(scheduler);
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leaderLifecycle.addManagedInstance(resourceManagementScheduler);
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leading = true;
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@ -19,6 +19,7 @@
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package com.metamx.druid.merger.coordinator;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.metamx.druid.merger.common.TaskCallback;
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import com.metamx.druid.merger.common.task.Task;
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import org.joda.time.DateTime;
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@ -49,6 +50,7 @@ public class TaskRunnerWorkItem implements Comparable<TaskRunnerWorkItem>
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this.createdTime = createdTime;
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}
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@JsonProperty
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public Task getTask()
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{
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return task;
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@ -64,11 +66,13 @@ public class TaskRunnerWorkItem implements Comparable<TaskRunnerWorkItem>
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return retryPolicy;
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}
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@JsonProperty
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public DateTime getCreatedTime()
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{
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return createdTime;
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}
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@JsonProperty
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public DateTime getQueueInsertionTime()
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{
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return queueInsertionTime;
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@ -20,6 +20,7 @@
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package com.metamx.druid.merger.coordinator;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.fasterxml.jackson.annotation.JsonUnwrapped;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.google.common.base.Function;
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import com.google.common.base.Throwables;
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@ -41,11 +41,10 @@ import com.metamx.common.logger.Logger;
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import com.metamx.druid.RegisteringNode;
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import com.metamx.druid.db.DbConnector;
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import com.metamx.druid.db.DbConnectorConfig;
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import com.metamx.druid.http.ComputeMain;
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import com.metamx.druid.http.GuiceServletConfig;
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import com.metamx.druid.http.MasterMain;
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import com.metamx.druid.http.RedirectFilter;
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import com.metamx.druid.http.RedirectInfo;
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import com.metamx.druid.http.RedirectServlet;
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import com.metamx.druid.http.StatusServlet;
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import com.metamx.druid.initialization.Initialization;
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import com.metamx.druid.initialization.ServerConfig;
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@ -113,6 +112,7 @@ import org.mortbay.jetty.servlet.Context;
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import org.mortbay.jetty.servlet.DefaultServlet;
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import org.mortbay.jetty.servlet.FilterHolder;
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import org.mortbay.jetty.servlet.ServletHolder;
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import org.mortbay.resource.ResourceCollection;
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import org.skife.config.ConfigurationObjectFactory;
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import org.skife.jdbi.v2.DBI;
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@ -286,7 +286,11 @@ public class IndexerCoordinatorNode extends RegisteringNode
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final Context staticContext = new Context(server, "/static", Context.SESSIONS);
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staticContext.addServlet(new ServletHolder(new DefaultServlet()), "/*");
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staticContext.setResourceBase(IndexerCoordinatorNode.class.getClassLoader().getResource("static").toExternalForm());
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ResourceCollection resourceCollection = new ResourceCollection(new String[] {
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IndexerCoordinatorNode.class.getClassLoader().getResource("static").toExternalForm(),
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IndexerCoordinatorNode.class.getClassLoader().getResource("indexer_static").toExternalForm()
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});
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staticContext.setBaseResource(resourceCollection);
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final Context root = new Context(server, "/", Context.SESSIONS);
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root.addServlet(new ServletHolder(new StatusServlet()), "/status");
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@ -21,6 +21,7 @@ package com.metamx.druid.merger.coordinator.http;
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import com.google.common.base.Optional;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.inject.Inject;
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import com.metamx.common.logger.Logger;
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@ -31,6 +32,8 @@ import com.metamx.druid.merger.common.task.Task;
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import com.metamx.druid.merger.coordinator.TaskMasterLifecycle;
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import com.metamx.druid.merger.coordinator.TaskStorageQueryAdapter;
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import com.metamx.druid.merger.coordinator.config.IndexerCoordinatorConfig;
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import com.metamx.druid.merger.coordinator.scaling.AutoScalingData;
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import com.metamx.druid.merger.coordinator.scaling.ScalingStats;
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import com.metamx.druid.merger.coordinator.setup.WorkerSetupData;
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import com.metamx.druid.merger.coordinator.setup.WorkerSetupManager;
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import com.metamx.emitter.service.ServiceEmitter;
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@ -228,6 +231,10 @@ public class IndexerCoordinatorResource
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if (taskMasterLifecycle.getResourceManagementScheduler() == null) {
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return Response.noContent().build();
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}
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return Response.ok(taskMasterLifecycle.getResourceManagementScheduler().getStats()).build();
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ScalingStats foo = new ScalingStats(10);
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foo.addProvisionEvent(new AutoScalingData<String>(Lists.newArrayList("boo", "doo"), Lists.newArrayList("a", "b")));
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foo.addTerminateEvent(new AutoScalingData<String>(Lists.newArrayList("d", "e"), Lists.newArrayList("f", "g")));
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return Response.ok(foo).build();
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//return Response.ok(taskMasterLifecycle.getResourceManagementScheduler().getStats()).build();
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}
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}
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@ -1,6 +1,7 @@
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package com.metamx.druid.merger.coordinator.scaling;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.fasterxml.jackson.annotation.JsonValue;
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import com.google.common.collect.Lists;
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import com.google.common.collect.MinMaxPriorityQueue;
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import org.joda.time.DateTime;
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@ -20,7 +21,6 @@ public class ScalingStats
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}
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private static final Comparator<ScalingEvent> comparator = new Comparator<ScalingEvent>()
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{
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@Override
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public int compare(ScalingEvent s1, ScalingEvent s2)
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@ -29,11 +29,13 @@ public class ScalingStats
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}
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};
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private final MinMaxPriorityQueue<ScalingEvent> recentNodes;
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private final Object lock = new Object();
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private final MinMaxPriorityQueue<ScalingEvent> recentEvents;
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public ScalingStats(int capacity)
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{
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this.recentNodes = MinMaxPriorityQueue
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this.recentEvents = MinMaxPriorityQueue
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.orderedBy(comparator)
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.maximumSize(capacity)
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.create();
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@ -41,32 +43,38 @@ public class ScalingStats
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public void addProvisionEvent(AutoScalingData data)
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{
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recentNodes.add(
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new ScalingEvent(
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data,
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new DateTime(),
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EVENT.PROVISION
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)
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);
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synchronized (lock) {
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recentEvents.add(
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new ScalingEvent(
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data,
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new DateTime(),
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EVENT.PROVISION
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)
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);
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}
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}
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public void addTerminateEvent(AutoScalingData data)
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{
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recentNodes.add(
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new ScalingEvent(
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data,
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new DateTime(),
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EVENT.TERMINATE
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)
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);
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synchronized (lock) {
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recentEvents.add(
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new ScalingEvent(
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data,
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new DateTime(),
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EVENT.TERMINATE
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)
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);
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}
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}
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@JsonProperty
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@JsonValue
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public List<ScalingEvent> toList()
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{
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List<ScalingEvent> retVal = Lists.newArrayList(recentNodes);
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Collections.sort(retVal, comparator);
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return retVal;
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synchronized (lock) {
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List<ScalingEvent> retVal = Lists.newArrayList(recentEvents);
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Collections.sort(retVal, comparator);
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return retVal;
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}
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}
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public static class ScalingEvent
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@ -26,26 +26,34 @@
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<meta name="Description" content="Druid Indexer Coordinator Console"/>
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<style type="text/css">@import "css/style.css";</style>
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<style type="text/css">@import "css/demo_table.css";</style>
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<script type="text/javascript" src="js/underscore-1.2.2.js"></script>
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<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
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<script type="text/javascript" src="js/indexer-0.0.1.js"></script>
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<script type="text/javascript" src="js/jquery.dataTables-1.8.2.js"></script>
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<script type="text/javascript" src="js/druidTable-0.0.1.js"></script>
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<script type="text/javascript" src="js/tablehelper-0.0.2.js"></script>
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<script type="text/javascript" src="js/console-0.0.1.js"></script>
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</head>
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<body>
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<div class="container">
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<div class="heading">Coordinator Console</div>
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<h2>Running Tasks</h2>
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<div id="runningTasks"></div>
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<div class="running_loading">Loading Running Tasks... this may take a few minutes</div>
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<table id="runningTable"></table>
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<h2>Pending Tasks</h2>
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<div id="pendingTasks"></div>
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<div class="pending_loading">Loading Pending Tasks... this may take a few minutes</div>
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<table id="pendingTable"></table>
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<h2>Workers</h2>
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<div id="workers"></div>
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<div class="workers_loading">Loading Workers... this may take a few minutes</div>
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<table id="workerTable"></table>
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<h2>Event Log</h2>
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<div id="events"></div>
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<div class="events_loading">Loading Event Log... this may take a few minutes</div>
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<table id="eventTable"></table>
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</div>
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</body>
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</html>
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@ -0,0 +1,25 @@
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// requires tableHelper
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var oTable = [];
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$(document).ready(function() {
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$.get('/mmx/merger/v1/runningTasks', function(data) {
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$('.running_loading').hide();
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buildTable(data, $('#runningTable'), ["segments"]);
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});
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$.get('/mmx/merger/v1/pendingTasks', function(data) {
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$('.pending_loading').hide();
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buildTable(data, $('#pendingTable'), ["segments"]);
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});
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$.get('/mmx/merger/v1/workers', function(data) {
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$('.workers_loading').hide();
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buildTable(data, $('#workerTable'));
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});
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$.get('/mmx/merger/v1/scaling', function(data) {
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$('.events_loading').hide();
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buildTable(data, $('#eventTable'));
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});
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});
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@ -1,46 +0,0 @@
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* HTML
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*/
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body {
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font: 14px Helvetica, Arial, Verdana, sans-serif;
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color: #333;
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background-color: #fff;
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}
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.container {
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margin: 10px;
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padding: 0 0 20px 0;
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}
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ul {
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list-style: none;
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margin: 0;
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padding: 0;
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}
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a {
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cursor: pointer;
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text-decoration: underline;
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margin: 0 5px 0 5px;
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color:blue;
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}
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a:visited {
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color: purple;
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}
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a:active {
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color: red;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* BODY
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*/
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.heading {
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background-color: #232B4A;
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color: #FF6000;
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padding: 10px;
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margin: 10px 0;
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}
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Before Width: | Height: | Size: 1.1 KiB |
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@ -1,17 +0,0 @@
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$(document).ready(function() {
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$.getJSON("/mmx/merger/v1/runningTasks", function(data) {
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$('#pendingTasks').append('<p>' + JSON.stringify(data) + '</p>');
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});
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$.getJSON("/mmx/merger/v1/pendingTasks", function(data) {
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$('#runningTasks').append('<p>' + JSON.stringify(data) + '</p>');
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});
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$.getJSON("/mmx/merger/v1/workers", function(data) {
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$('#workers').append('<p>' + JSON.stringify(data) + '</p>');
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});
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$.getJSON("/mmx/merger/v1/scaling", function(data) {
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$('#events').append('<p>' + JSON.stringify(data) + '</p>');
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});
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});
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File diff suppressed because it is too large
Load Diff
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@ -1,977 +0,0 @@
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// Underscore.js 1.2.2
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// (c) 2011 Jeremy Ashkenas, DocumentCloud Inc.
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// Underscore is freely distributable under the MIT license.
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// Portions of Underscore are inspired or borrowed from Prototype,
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// Oliver Steele's Functional, and John Resig's Micro-Templating.
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// For all details and documentation:
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// http://documentcloud.github.com/underscore
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(function() {
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// Baseline setup
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// --------------
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||||
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// Establish the root object, `window` in the browser, or `global` on the server.
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var root = this;
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// Save the previous value of the `_` variable.
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var previousUnderscore = root._;
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// Establish the object that gets returned to break out of a loop iteration.
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var breaker = {};
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// Save bytes in the minified (but not gzipped) version:
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var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
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// Create quick reference variables for speed access to core prototypes.
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var slice = ArrayProto.slice,
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unshift = ArrayProto.unshift,
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toString = ObjProto.toString,
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hasOwnProperty = ObjProto.hasOwnProperty;
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// All **ECMAScript 5** native function implementations that we hope to use
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// are declared here.
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var
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nativeForEach = ArrayProto.forEach,
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nativeMap = ArrayProto.map,
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nativeReduce = ArrayProto.reduce,
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nativeReduceRight = ArrayProto.reduceRight,
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nativeFilter = ArrayProto.filter,
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nativeEvery = ArrayProto.every,
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nativeSome = ArrayProto.some,
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nativeIndexOf = ArrayProto.indexOf,
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nativeLastIndexOf = ArrayProto.lastIndexOf,
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nativeIsArray = Array.isArray,
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nativeKeys = Object.keys,
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nativeBind = FuncProto.bind;
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// Create a safe reference to the Underscore object for use below.
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var _ = function(obj) { return new wrapper(obj); };
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// Export the Underscore object for **Node.js** and **"CommonJS"**, with
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// backwards-compatibility for the old `require()` API. If we're not in
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// CommonJS, add `_` to the global object.
|
||||
if (typeof exports !== 'undefined') {
|
||||
if (typeof module !== 'undefined' && module.exports) {
|
||||
exports = module.exports = _;
|
||||
}
|
||||
exports._ = _;
|
||||
} else if (typeof define === 'function' && define.amd) {
|
||||
// Register as a named module with AMD.
|
||||
define('underscore', function() {
|
||||
return _;
|
||||
});
|
||||
} else {
|
||||
// Exported as a string, for Closure Compiler "advanced" mode.
|
||||
root['_'] = _;
|
||||
}
|
||||
|
||||
// Current version.
|
||||
_.VERSION = '1.2.2';
|
||||
|
||||
// Collection Functions
|
||||
// --------------------
|
||||
|
||||
// The cornerstone, an `each` implementation, aka `forEach`.
|
||||
// Handles objects with the built-in `forEach`, arrays, and raw objects.
|
||||
// Delegates to **ECMAScript 5**'s native `forEach` if available.
|
||||
var each = _.each = _.forEach = function(obj, iterator, context) {
|
||||
if (obj == null) return;
|
||||
if (nativeForEach && obj.forEach === nativeForEach) {
|
||||
obj.forEach(iterator, context);
|
||||
} else if (obj.length === +obj.length) {
|
||||
for (var i = 0, l = obj.length; i < l; i++) {
|
||||
if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
|
||||
}
|
||||
} else {
|
||||
for (var key in obj) {
|
||||
if (hasOwnProperty.call(obj, key)) {
|
||||
if (iterator.call(context, obj[key], key, obj) === breaker) return;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Return the results of applying the iterator to each element.
|
||||
// Delegates to **ECMAScript 5**'s native `map` if available.
|
||||
_.map = function(obj, iterator, context) {
|
||||
var results = [];
|
||||
if (obj == null) return results;
|
||||
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
|
||||
each(obj, function(value, index, list) {
|
||||
results[results.length] = iterator.call(context, value, index, list);
|
||||
});
|
||||
return results;
|
||||
};
|
||||
|
||||
// **Reduce** builds up a single result from a list of values, aka `inject`,
|
||||
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
|
||||
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
|
||||
var initial = memo !== void 0;
|
||||
if (obj == null) obj = [];
|
||||
if (nativeReduce && obj.reduce === nativeReduce) {
|
||||
if (context) iterator = _.bind(iterator, context);
|
||||
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
|
||||
}
|
||||
each(obj, function(value, index, list) {
|
||||
if (!initial) {
|
||||
memo = value;
|
||||
initial = true;
|
||||
} else {
|
||||
memo = iterator.call(context, memo, value, index, list);
|
||||
}
|
||||
});
|
||||
if (!initial) throw new TypeError("Reduce of empty array with no initial value");
|
||||
return memo;
|
||||
};
|
||||
|
||||
// The right-associative version of reduce, also known as `foldr`.
|
||||
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
|
||||
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
|
||||
if (obj == null) obj = [];
|
||||
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
|
||||
if (context) iterator = _.bind(iterator, context);
|
||||
return memo !== void 0 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
|
||||
}
|
||||
var reversed = (_.isArray(obj) ? obj.slice() : _.toArray(obj)).reverse();
|
||||
return _.reduce(reversed, iterator, memo, context);
|
||||
};
|
||||
|
||||
// Return the first value which passes a truth test. Aliased as `detect`.
|
||||
_.find = _.detect = function(obj, iterator, context) {
|
||||
var result;
|
||||
any(obj, function(value, index, list) {
|
||||
if (iterator.call(context, value, index, list)) {
|
||||
result = value;
|
||||
return true;
|
||||
}
|
||||
});
|
||||
return result;
|
||||
};
|
||||
|
||||
// Return all the elements that pass a truth test.
|
||||
// Delegates to **ECMAScript 5**'s native `filter` if available.
|
||||
// Aliased as `select`.
|
||||
_.filter = _.select = function(obj, iterator, context) {
|
||||
var results = [];
|
||||
if (obj == null) return results;
|
||||
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
|
||||
each(obj, function(value, index, list) {
|
||||
if (iterator.call(context, value, index, list)) results[results.length] = value;
|
||||
});
|
||||
return results;
|
||||
};
|
||||
|
||||
// Return all the elements for which a truth test fails.
|
||||
_.reject = function(obj, iterator, context) {
|
||||
var results = [];
|
||||
if (obj == null) return results;
|
||||
each(obj, function(value, index, list) {
|
||||
if (!iterator.call(context, value, index, list)) results[results.length] = value;
|
||||
});
|
||||
return results;
|
||||
};
|
||||
|
||||
// Determine whether all of the elements match a truth test.
|
||||
// Delegates to **ECMAScript 5**'s native `every` if available.
|
||||
// Aliased as `all`.
|
||||
_.every = _.all = function(obj, iterator, context) {
|
||||
var result = true;
|
||||
if (obj == null) return result;
|
||||
if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
|
||||
each(obj, function(value, index, list) {
|
||||
if (!(result = result && iterator.call(context, value, index, list))) return breaker;
|
||||
});
|
||||
return result;
|
||||
};
|
||||
|
||||
// Determine if at least one element in the object matches a truth test.
|
||||
// Delegates to **ECMAScript 5**'s native `some` if available.
|
||||
// Aliased as `any`.
|
||||
var any = _.some = _.any = function(obj, iterator, context) {
|
||||
iterator = iterator || _.identity;
|
||||
var result = false;
|
||||
if (obj == null) return result;
|
||||
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
|
||||
each(obj, function(value, index, list) {
|
||||
if (result || (result = iterator.call(context, value, index, list))) return breaker;
|
||||
});
|
||||
return !!result;
|
||||
};
|
||||
|
||||
// Determine if a given value is included in the array or object using `===`.
|
||||
// Aliased as `contains`.
|
||||
_.include = _.contains = function(obj, target) {
|
||||
var found = false;
|
||||
if (obj == null) return found;
|
||||
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
|
||||
found = any(obj, function(value) {
|
||||
return value === target;
|
||||
});
|
||||
return found;
|
||||
};
|
||||
|
||||
// Invoke a method (with arguments) on every item in a collection.
|
||||
_.invoke = function(obj, method) {
|
||||
var args = slice.call(arguments, 2);
|
||||
return _.map(obj, function(value) {
|
||||
return (method.call ? method || value : value[method]).apply(value, args);
|
||||
});
|
||||
};
|
||||
|
||||
// Convenience version of a common use case of `map`: fetching a property.
|
||||
_.pluck = function(obj, key) {
|
||||
return _.map(obj, function(value){ return value[key]; });
|
||||
};
|
||||
|
||||
// Return the maximum element or (element-based computation).
|
||||
_.max = function(obj, iterator, context) {
|
||||
if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
|
||||
if (!iterator && _.isEmpty(obj)) return -Infinity;
|
||||
var result = {computed : -Infinity};
|
||||
each(obj, function(value, index, list) {
|
||||
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
||||
computed >= result.computed && (result = {value : value, computed : computed});
|
||||
});
|
||||
return result.value;
|
||||
};
|
||||
|
||||
// Return the minimum element (or element-based computation).
|
||||
_.min = function(obj, iterator, context) {
|
||||
if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
|
||||
if (!iterator && _.isEmpty(obj)) return Infinity;
|
||||
var result = {computed : Infinity};
|
||||
each(obj, function(value, index, list) {
|
||||
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
||||
computed < result.computed && (result = {value : value, computed : computed});
|
||||
});
|
||||
return result.value;
|
||||
};
|
||||
|
||||
// Shuffle an array.
|
||||
_.shuffle = function(obj) {
|
||||
var shuffled = [], rand;
|
||||
each(obj, function(value, index, list) {
|
||||
if (index == 0) {
|
||||
shuffled[0] = value;
|
||||
} else {
|
||||
rand = Math.floor(Math.random() * (index + 1));
|
||||
shuffled[index] = shuffled[rand];
|
||||
shuffled[rand] = value;
|
||||
}
|
||||
});
|
||||
return shuffled;
|
||||
};
|
||||
|
||||
// Sort the object's values by a criterion produced by an iterator.
|
||||
_.sortBy = function(obj, iterator, context) {
|
||||
return _.pluck(_.map(obj, function(value, index, list) {
|
||||
return {
|
||||
value : value,
|
||||
criteria : iterator.call(context, value, index, list)
|
||||
};
|
||||
}).sort(function(left, right) {
|
||||
var a = left.criteria, b = right.criteria;
|
||||
return a < b ? -1 : a > b ? 1 : 0;
|
||||
}), 'value');
|
||||
};
|
||||
|
||||
// Groups the object's values by a criterion. Pass either a string attribute
|
||||
// to group by, or a function that returns the criterion.
|
||||
_.groupBy = function(obj, val) {
|
||||
var result = {};
|
||||
var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
|
||||
each(obj, function(value, index) {
|
||||
var key = iterator(value, index);
|
||||
(result[key] || (result[key] = [])).push(value);
|
||||
});
|
||||
return result;
|
||||
};
|
||||
|
||||
// Use a comparator function to figure out at what index an object should
|
||||
// be inserted so as to maintain order. Uses binary search.
|
||||
_.sortedIndex = function(array, obj, iterator) {
|
||||
iterator || (iterator = _.identity);
|
||||
var low = 0, high = array.length;
|
||||
while (low < high) {
|
||||
var mid = (low + high) >> 1;
|
||||
iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
|
||||
}
|
||||
return low;
|
||||
};
|
||||
|
||||
// Safely convert anything iterable into a real, live array.
|
||||
_.toArray = function(iterable) {
|
||||
if (!iterable) return [];
|
||||
if (iterable.toArray) return iterable.toArray();
|
||||
if (_.isArray(iterable)) return slice.call(iterable);
|
||||
if (_.isArguments(iterable)) return slice.call(iterable);
|
||||
return _.values(iterable);
|
||||
};
|
||||
|
||||
// Return the number of elements in an object.
|
||||
_.size = function(obj) {
|
||||
return _.toArray(obj).length;
|
||||
};
|
||||
|
||||
// Array Functions
|
||||
// ---------------
|
||||
|
||||
// Get the first element of an array. Passing **n** will return the first N
|
||||
// values in the array. Aliased as `head`. The **guard** check allows it to work
|
||||
// with `_.map`.
|
||||
_.first = _.head = function(array, n, guard) {
|
||||
return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
|
||||
};
|
||||
|
||||
// Returns everything but the last entry of the array. Especcialy useful on
|
||||
// the arguments object. Passing **n** will return all the values in
|
||||
// the array, excluding the last N. The **guard** check allows it to work with
|
||||
// `_.map`.
|
||||
_.initial = function(array, n, guard) {
|
||||
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
|
||||
};
|
||||
|
||||
// Get the last element of an array. Passing **n** will return the last N
|
||||
// values in the array. The **guard** check allows it to work with `_.map`.
|
||||
_.last = function(array, n, guard) {
|
||||
if ((n != null) && !guard) {
|
||||
return slice.call(array, Math.max(array.length - n, 0));
|
||||
} else {
|
||||
return array[array.length - 1];
|
||||
}
|
||||
};
|
||||
|
||||
// Returns everything but the first entry of the array. Aliased as `tail`.
|
||||
// Especially useful on the arguments object. Passing an **index** will return
|
||||
// the rest of the values in the array from that index onward. The **guard**
|
||||
// check allows it to work with `_.map`.
|
||||
_.rest = _.tail = function(array, index, guard) {
|
||||
return slice.call(array, (index == null) || guard ? 1 : index);
|
||||
};
|
||||
|
||||
// Trim out all falsy values from an array.
|
||||
_.compact = function(array) {
|
||||
return _.filter(array, function(value){ return !!value; });
|
||||
};
|
||||
|
||||
// Return a completely flattened version of an array.
|
||||
_.flatten = function(array, shallow) {
|
||||
return _.reduce(array, function(memo, value) {
|
||||
if (_.isArray(value)) return memo.concat(shallow ? value : _.flatten(value));
|
||||
memo[memo.length] = value;
|
||||
return memo;
|
||||
}, []);
|
||||
};
|
||||
|
||||
// Return a version of the array that does not contain the specified value(s).
|
||||
_.without = function(array) {
|
||||
return _.difference(array, slice.call(arguments, 1));
|
||||
};
|
||||
|
||||
// Produce a duplicate-free version of the array. If the array has already
|
||||
// been sorted, you have the option of using a faster algorithm.
|
||||
// Aliased as `unique`.
|
||||
_.uniq = _.unique = function(array, isSorted, iterator) {
|
||||
var initial = iterator ? _.map(array, iterator) : array;
|
||||
var result = [];
|
||||
_.reduce(initial, function(memo, el, i) {
|
||||
if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) {
|
||||
memo[memo.length] = el;
|
||||
result[result.length] = array[i];
|
||||
}
|
||||
return memo;
|
||||
}, []);
|
||||
return result;
|
||||
};
|
||||
|
||||
// Produce an array that contains the union: each distinct element from all of
|
||||
// the passed-in arrays.
|
||||
_.union = function() {
|
||||
return _.uniq(_.flatten(arguments, true));
|
||||
};
|
||||
|
||||
// Produce an array that contains every item shared between all the
|
||||
// passed-in arrays. (Aliased as "intersect" for back-compat.)
|
||||
_.intersection = _.intersect = function(array) {
|
||||
var rest = slice.call(arguments, 1);
|
||||
return _.filter(_.uniq(array), function(item) {
|
||||
return _.every(rest, function(other) {
|
||||
return _.indexOf(other, item) >= 0;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
// Take the difference between one array and another.
|
||||
// Only the elements present in just the first array will remain.
|
||||
_.difference = function(array, other) {
|
||||
return _.filter(array, function(value){ return !_.include(other, value); });
|
||||
};
|
||||
|
||||
// Zip together multiple lists into a single array -- elements that share
|
||||
// an index go together.
|
||||
_.zip = function() {
|
||||
var args = slice.call(arguments);
|
||||
var length = _.max(_.pluck(args, 'length'));
|
||||
var results = new Array(length);
|
||||
for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
|
||||
return results;
|
||||
};
|
||||
|
||||
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
|
||||
// we need this function. Return the position of the first occurrence of an
|
||||
// item in an array, or -1 if the item is not included in the array.
|
||||
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
|
||||
// If the array is large and already in sort order, pass `true`
|
||||
// for **isSorted** to use binary search.
|
||||
_.indexOf = function(array, item, isSorted) {
|
||||
if (array == null) return -1;
|
||||
var i, l;
|
||||
if (isSorted) {
|
||||
i = _.sortedIndex(array, item);
|
||||
return array[i] === item ? i : -1;
|
||||
}
|
||||
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
|
||||
for (i = 0, l = array.length; i < l; i++) if (array[i] === item) return i;
|
||||
return -1;
|
||||
};
|
||||
|
||||
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
|
||||
_.lastIndexOf = function(array, item) {
|
||||
if (array == null) return -1;
|
||||
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
|
||||
var i = array.length;
|
||||
while (i--) if (array[i] === item) return i;
|
||||
return -1;
|
||||
};
|
||||
|
||||
// Generate an integer Array containing an arithmetic progression. A port of
|
||||
// the native Python `range()` function. See
|
||||
// [the Python documentation](http://docs.python.org/library/functions.html#range).
|
||||
_.range = function(start, stop, step) {
|
||||
if (arguments.length <= 1) {
|
||||
stop = start || 0;
|
||||
start = 0;
|
||||
}
|
||||
step = arguments[2] || 1;
|
||||
|
||||
var len = Math.max(Math.ceil((stop - start) / step), 0);
|
||||
var idx = 0;
|
||||
var range = new Array(len);
|
||||
|
||||
while(idx < len) {
|
||||
range[idx++] = start;
|
||||
start += step;
|
||||
}
|
||||
|
||||
return range;
|
||||
};
|
||||
|
||||
// Function (ahem) Functions
|
||||
// ------------------
|
||||
|
||||
// Reusable constructor function for prototype setting.
|
||||
var ctor = function(){};
|
||||
|
||||
// Create a function bound to a given object (assigning `this`, and arguments,
|
||||
// optionally). Binding with arguments is also known as `curry`.
|
||||
// Delegates to **ECMAScript 5**'s native `Function.bind` if available.
|
||||
// We check for `func.bind` first, to fail fast when `func` is undefined.
|
||||
_.bind = function bind(func, context) {
|
||||
var bound, args;
|
||||
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
|
||||
if (!_.isFunction(func)) throw new TypeError;
|
||||
args = slice.call(arguments, 2);
|
||||
return bound = function() {
|
||||
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
|
||||
ctor.prototype = func.prototype;
|
||||
var self = new ctor;
|
||||
var result = func.apply(self, args.concat(slice.call(arguments)));
|
||||
if (Object(result) === result) return result;
|
||||
return self;
|
||||
};
|
||||
};
|
||||
|
||||
// Bind all of an object's methods to that object. Useful for ensuring that
|
||||
// all callbacks defined on an object belong to it.
|
||||
_.bindAll = function(obj) {
|
||||
var funcs = slice.call(arguments, 1);
|
||||
if (funcs.length == 0) funcs = _.functions(obj);
|
||||
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
|
||||
return obj;
|
||||
};
|
||||
|
||||
// Memoize an expensive function by storing its results.
|
||||
_.memoize = function(func, hasher) {
|
||||
var memo = {};
|
||||
hasher || (hasher = _.identity);
|
||||
return function() {
|
||||
var key = hasher.apply(this, arguments);
|
||||
return hasOwnProperty.call(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
|
||||
};
|
||||
};
|
||||
|
||||
// Delays a function for the given number of milliseconds, and then calls
|
||||
// it with the arguments supplied.
|
||||
_.delay = function(func, wait) {
|
||||
var args = slice.call(arguments, 2);
|
||||
return setTimeout(function(){ return func.apply(func, args); }, wait);
|
||||
};
|
||||
|
||||
// Defers a function, scheduling it to run after the current call stack has
|
||||
// cleared.
|
||||
_.defer = function(func) {
|
||||
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
|
||||
};
|
||||
|
||||
// Returns a function, that, when invoked, will only be triggered at most once
|
||||
// during a given window of time.
|
||||
_.throttle = function(func, wait) {
|
||||
var context, args, timeout, throttling, more;
|
||||
var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
|
||||
return function() {
|
||||
context = this; args = arguments;
|
||||
var later = function() {
|
||||
timeout = null;
|
||||
if (more) func.apply(context, args);
|
||||
whenDone();
|
||||
};
|
||||
if (!timeout) timeout = setTimeout(later, wait);
|
||||
if (throttling) {
|
||||
more = true;
|
||||
} else {
|
||||
func.apply(context, args);
|
||||
}
|
||||
whenDone();
|
||||
throttling = true;
|
||||
};
|
||||
};
|
||||
|
||||
// Returns a function, that, as long as it continues to be invoked, will not
|
||||
// be triggered. The function will be called after it stops being called for
|
||||
// N milliseconds.
|
||||
_.debounce = function(func, wait) {
|
||||
var timeout;
|
||||
return function() {
|
||||
var context = this, args = arguments;
|
||||
var later = function() {
|
||||
timeout = null;
|
||||
func.apply(context, args);
|
||||
};
|
||||
clearTimeout(timeout);
|
||||
timeout = setTimeout(later, wait);
|
||||
};
|
||||
};
|
||||
|
||||
// Returns a function that will be executed at most one time, no matter how
|
||||
// often you call it. Useful for lazy initialization.
|
||||
_.once = function(func) {
|
||||
var ran = false, memo;
|
||||
return function() {
|
||||
if (ran) return memo;
|
||||
ran = true;
|
||||
return memo = func.apply(this, arguments);
|
||||
};
|
||||
};
|
||||
|
||||
// Returns the first function passed as an argument to the second,
|
||||
// allowing you to adjust arguments, run code before and after, and
|
||||
// conditionally execute the original function.
|
||||
_.wrap = function(func, wrapper) {
|
||||
return function() {
|
||||
var args = [func].concat(slice.call(arguments));
|
||||
return wrapper.apply(this, args);
|
||||
};
|
||||
};
|
||||
|
||||
// Returns a function that is the composition of a list of functions, each
|
||||
// consuming the return value of the function that follows.
|
||||
_.compose = function() {
|
||||
var funcs = slice.call(arguments);
|
||||
return function() {
|
||||
var args = slice.call(arguments);
|
||||
for (var i = funcs.length - 1; i >= 0; i--) {
|
||||
args = [funcs[i].apply(this, args)];
|
||||
}
|
||||
return args[0];
|
||||
};
|
||||
};
|
||||
|
||||
// Returns a function that will only be executed after being called N times.
|
||||
_.after = function(times, func) {
|
||||
if (times <= 0) return func();
|
||||
return function() {
|
||||
if (--times < 1) { return func.apply(this, arguments); }
|
||||
};
|
||||
};
|
||||
|
||||
// Object Functions
|
||||
// ----------------
|
||||
|
||||
// Retrieve the names of an object's properties.
|
||||
// Delegates to **ECMAScript 5**'s native `Object.keys`
|
||||
_.keys = nativeKeys || function(obj) {
|
||||
if (obj !== Object(obj)) throw new TypeError('Invalid object');
|
||||
var keys = [];
|
||||
for (var key in obj) if (hasOwnProperty.call(obj, key)) keys[keys.length] = key;
|
||||
return keys;
|
||||
};
|
||||
|
||||
// Retrieve the values of an object's properties.
|
||||
_.values = function(obj) {
|
||||
return _.map(obj, _.identity);
|
||||
};
|
||||
|
||||
// Return a sorted list of the function names available on the object.
|
||||
// Aliased as `methods`
|
||||
_.functions = _.methods = function(obj) {
|
||||
var names = [];
|
||||
for (var key in obj) {
|
||||
if (_.isFunction(obj[key])) names.push(key);
|
||||
}
|
||||
return names.sort();
|
||||
};
|
||||
|
||||
// Extend a given object with all the properties in passed-in object(s).
|
||||
_.extend = function(obj) {
|
||||
each(slice.call(arguments, 1), function(source) {
|
||||
for (var prop in source) {
|
||||
if (source[prop] !== void 0) obj[prop] = source[prop];
|
||||
}
|
||||
});
|
||||
return obj;
|
||||
};
|
||||
|
||||
// Fill in a given object with default properties.
|
||||
_.defaults = function(obj) {
|
||||
each(slice.call(arguments, 1), function(source) {
|
||||
for (var prop in source) {
|
||||
if (obj[prop] == null) obj[prop] = source[prop];
|
||||
}
|
||||
});
|
||||
return obj;
|
||||
};
|
||||
|
||||
// Create a (shallow-cloned) duplicate of an object.
|
||||
_.clone = function(obj) {
|
||||
if (!_.isObject(obj)) return obj;
|
||||
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
|
||||
};
|
||||
|
||||
// Invokes interceptor with the obj, and then returns obj.
|
||||
// The primary purpose of this method is to "tap into" a method chain, in
|
||||
// order to perform operations on intermediate results within the chain.
|
||||
_.tap = function(obj, interceptor) {
|
||||
interceptor(obj);
|
||||
return obj;
|
||||
};
|
||||
|
||||
// Internal recursive comparison function.
|
||||
function eq(a, b, stack) {
|
||||
// Identical objects are equal. `0 === -0`, but they aren't identical.
|
||||
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
|
||||
if (a === b) return a !== 0 || 1 / a == 1 / b;
|
||||
// A strict comparison is necessary because `null == undefined`.
|
||||
if (a == null || b == null) return a === b;
|
||||
// Unwrap any wrapped objects.
|
||||
if (a._chain) a = a._wrapped;
|
||||
if (b._chain) b = b._wrapped;
|
||||
// Invoke a custom `isEqual` method if one is provided.
|
||||
if (_.isFunction(a.isEqual)) return a.isEqual(b);
|
||||
if (_.isFunction(b.isEqual)) return b.isEqual(a);
|
||||
// Compare `[[Class]]` names.
|
||||
var className = toString.call(a);
|
||||
if (className != toString.call(b)) return false;
|
||||
switch (className) {
|
||||
// Strings, numbers, dates, and booleans are compared by value.
|
||||
case '[object String]':
|
||||
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
|
||||
// equivalent to `new String("5")`.
|
||||
return String(a) == String(b);
|
||||
case '[object Number]':
|
||||
a = +a;
|
||||
b = +b;
|
||||
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
|
||||
// other numeric values.
|
||||
return a != a ? b != b : (a == 0 ? 1 / a == 1 / b : a == b);
|
||||
case '[object Date]':
|
||||
case '[object Boolean]':
|
||||
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
|
||||
// millisecond representations. Note that invalid dates with millisecond representations
|
||||
// of `NaN` are not equivalent.
|
||||
return +a == +b;
|
||||
// RegExps are compared by their source patterns and flags.
|
||||
case '[object RegExp]':
|
||||
return a.source == b.source &&
|
||||
a.global == b.global &&
|
||||
a.multiline == b.multiline &&
|
||||
a.ignoreCase == b.ignoreCase;
|
||||
}
|
||||
if (typeof a != 'object' || typeof b != 'object') return false;
|
||||
// Assume equality for cyclic structures. The algorithm for detecting cyclic
|
||||
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
|
||||
var length = stack.length;
|
||||
while (length--) {
|
||||
// Linear search. Performance is inversely proportional to the number of
|
||||
// unique nested structures.
|
||||
if (stack[length] == a) return true;
|
||||
}
|
||||
// Add the first object to the stack of traversed objects.
|
||||
stack.push(a);
|
||||
var size = 0, result = true;
|
||||
// Recursively compare objects and arrays.
|
||||
if (className == '[object Array]') {
|
||||
// Compare array lengths to determine if a deep comparison is necessary.
|
||||
size = a.length;
|
||||
result = size == b.length;
|
||||
if (result) {
|
||||
// Deep compare the contents, ignoring non-numeric properties.
|
||||
while (size--) {
|
||||
// Ensure commutative equality for sparse arrays.
|
||||
if (!(result = size in a == size in b && eq(a[size], b[size], stack))) break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// Objects with different constructors are not equivalent.
|
||||
if ("constructor" in a != "constructor" in b || a.constructor != b.constructor) return false;
|
||||
// Deep compare objects.
|
||||
for (var key in a) {
|
||||
if (hasOwnProperty.call(a, key)) {
|
||||
// Count the expected number of properties.
|
||||
size++;
|
||||
// Deep compare each member.
|
||||
if (!(result = hasOwnProperty.call(b, key) && eq(a[key], b[key], stack))) break;
|
||||
}
|
||||
}
|
||||
// Ensure that both objects contain the same number of properties.
|
||||
if (result) {
|
||||
for (key in b) {
|
||||
if (hasOwnProperty.call(b, key) && !(size--)) break;
|
||||
}
|
||||
result = !size;
|
||||
}
|
||||
}
|
||||
// Remove the first object from the stack of traversed objects.
|
||||
stack.pop();
|
||||
return result;
|
||||
}
|
||||
|
||||
// Perform a deep comparison to check if two objects are equal.
|
||||
_.isEqual = function(a, b) {
|
||||
return eq(a, b, []);
|
||||
};
|
||||
|
||||
// Is a given array, string, or object empty?
|
||||
// An "empty" object has no enumerable own-properties.
|
||||
_.isEmpty = function(obj) {
|
||||
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
|
||||
for (var key in obj) if (hasOwnProperty.call(obj, key)) return false;
|
||||
return true;
|
||||
};
|
||||
|
||||
// Is a given value a DOM element?
|
||||
_.isElement = function(obj) {
|
||||
return !!(obj && obj.tier == 1);
|
||||
};
|
||||
|
||||
// Is a given value an array?
|
||||
// Delegates to ECMA5's native Array.isArray
|
||||
_.isArray = nativeIsArray || function(obj) {
|
||||
return toString.call(obj) == '[object Array]';
|
||||
};
|
||||
|
||||
// Is a given variable an object?
|
||||
_.isObject = function(obj) {
|
||||
return obj === Object(obj);
|
||||
};
|
||||
|
||||
// Is a given variable an arguments object?
|
||||
if (toString.call(arguments) == '[object Arguments]') {
|
||||
_.isArguments = function(obj) {
|
||||
return toString.call(obj) == '[object Arguments]';
|
||||
};
|
||||
} else {
|
||||
_.isArguments = function(obj) {
|
||||
return !!(obj && hasOwnProperty.call(obj, 'callee'));
|
||||
};
|
||||
}
|
||||
|
||||
// Is a given value a function?
|
||||
_.isFunction = function(obj) {
|
||||
return toString.call(obj) == '[object Function]';
|
||||
};
|
||||
|
||||
// Is a given value a string?
|
||||
_.isString = function(obj) {
|
||||
return toString.call(obj) == '[object String]';
|
||||
};
|
||||
|
||||
// Is a given value a number?
|
||||
_.isNumber = function(obj) {
|
||||
return toString.call(obj) == '[object Number]';
|
||||
};
|
||||
|
||||
// Is the given value `NaN`?
|
||||
_.isNaN = function(obj) {
|
||||
// `NaN` is the only value for which `===` is not reflexive.
|
||||
return obj !== obj;
|
||||
};
|
||||
|
||||
// Is a given value a boolean?
|
||||
_.isBoolean = function(obj) {
|
||||
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
|
||||
};
|
||||
|
||||
// Is a given value a date?
|
||||
_.isDate = function(obj) {
|
||||
return toString.call(obj) == '[object Date]';
|
||||
};
|
||||
|
||||
// Is the given value a regular expression?
|
||||
_.isRegExp = function(obj) {
|
||||
return toString.call(obj) == '[object RegExp]';
|
||||
};
|
||||
|
||||
// Is a given value equal to null?
|
||||
_.isNull = function(obj) {
|
||||
return obj === null;
|
||||
};
|
||||
|
||||
// Is a given variable undefined?
|
||||
_.isUndefined = function(obj) {
|
||||
return obj === void 0;
|
||||
};
|
||||
|
||||
// Utility Functions
|
||||
// -----------------
|
||||
|
||||
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
|
||||
// previous owner. Returns a reference to the Underscore object.
|
||||
_.noConflict = function() {
|
||||
root._ = previousUnderscore;
|
||||
return this;
|
||||
};
|
||||
|
||||
// Keep the identity function around for default iterators.
|
||||
_.identity = function(value) {
|
||||
return value;
|
||||
};
|
||||
|
||||
// Run a function **n** times.
|
||||
_.times = function (n, iterator, context) {
|
||||
for (var i = 0; i < n; i++) iterator.call(context, i);
|
||||
};
|
||||
|
||||
// Escape a string for HTML interpolation.
|
||||
_.escape = function(string) {
|
||||
return (''+string).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"').replace(/'/g, ''').replace(/\//g,'/');
|
||||
};
|
||||
|
||||
// Add your own custom functions to the Underscore object, ensuring that
|
||||
// they're correctly added to the OOP wrapper as well.
|
||||
_.mixin = function(obj) {
|
||||
each(_.functions(obj), function(name){
|
||||
addToWrapper(name, _[name] = obj[name]);
|
||||
});
|
||||
};
|
||||
|
||||
// Generate a unique integer id (unique within the entire client session).
|
||||
// Useful for temporary DOM ids.
|
||||
var idCounter = 0;
|
||||
_.uniqueId = function(prefix) {
|
||||
var id = idCounter++;
|
||||
return prefix ? prefix + id : id;
|
||||
};
|
||||
|
||||
// By default, Underscore uses ERB-style template delimiters, change the
|
||||
// following template settings to use alternative delimiters.
|
||||
_.templateSettings = {
|
||||
evaluate : /<%([\s\S]+?)%>/g,
|
||||
interpolate : /<%=([\s\S]+?)%>/g,
|
||||
escape : /<%-([\s\S]+?)%>/g
|
||||
};
|
||||
|
||||
// JavaScript micro-templating, similar to John Resig's implementation.
|
||||
// Underscore templating handles arbitrary delimiters, preserves whitespace,
|
||||
// and correctly escapes quotes within interpolated code.
|
||||
_.template = function(str, data) {
|
||||
var c = _.templateSettings;
|
||||
var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' +
|
||||
'with(obj||{}){__p.push(\'' +
|
||||
str.replace(/\\/g, '\\\\')
|
||||
.replace(/'/g, "\\'")
|
||||
.replace(c.escape, function(match, code) {
|
||||
return "',_.escape(" + code.replace(/\\'/g, "'") + "),'";
|
||||
})
|
||||
.replace(c.interpolate, function(match, code) {
|
||||
return "'," + code.replace(/\\'/g, "'") + ",'";
|
||||
})
|
||||
.replace(c.evaluate || null, function(match, code) {
|
||||
return "');" + code.replace(/\\'/g, "'")
|
||||
.replace(/[\r\n\t]/g, ' ') + ";__p.push('";
|
||||
})
|
||||
.replace(/\r/g, '\\r')
|
||||
.replace(/\n/g, '\\n')
|
||||
.replace(/\t/g, '\\t')
|
||||
+ "');}return __p.join('');";
|
||||
var func = new Function('obj', '_', tmpl);
|
||||
return data ? func(data, _) : function(data) { return func(data, _) };
|
||||
};
|
||||
|
||||
// The OOP Wrapper
|
||||
// ---------------
|
||||
|
||||
// If Underscore is called as a function, it returns a wrapped object that
|
||||
// can be used OO-style. This wrapper holds altered versions of all the
|
||||
// underscore functions. Wrapped objects may be chained.
|
||||
var wrapper = function(obj) { this._wrapped = obj; };
|
||||
|
||||
// Expose `wrapper.prototype` as `_.prototype`
|
||||
_.prototype = wrapper.prototype;
|
||||
|
||||
// Helper function to continue chaining intermediate results.
|
||||
var result = function(obj, chain) {
|
||||
return chain ? _(obj).chain() : obj;
|
||||
};
|
||||
|
||||
// A method to easily add functions to the OOP wrapper.
|
||||
var addToWrapper = function(name, func) {
|
||||
wrapper.prototype[name] = function() {
|
||||
var args = slice.call(arguments);
|
||||
unshift.call(args, this._wrapped);
|
||||
return result(func.apply(_, args), this._chain);
|
||||
};
|
||||
};
|
||||
|
||||
// Add all of the Underscore functions to the wrapper object.
|
||||
_.mixin(_);
|
||||
|
||||
// Add all mutator Array functions to the wrapper.
|
||||
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
|
||||
var method = ArrayProto[name];
|
||||
wrapper.prototype[name] = function() {
|
||||
method.apply(this._wrapped, arguments);
|
||||
return result(this._wrapped, this._chain);
|
||||
};
|
||||
});
|
||||
|
||||
// Add all accessor Array functions to the wrapper.
|
||||
each(['concat', 'join', 'slice'], function(name) {
|
||||
var method = ArrayProto[name];
|
||||
wrapper.prototype[name] = function() {
|
||||
return result(method.apply(this._wrapped, arguments), this._chain);
|
||||
};
|
||||
});
|
||||
|
||||
// Start chaining a wrapped Underscore object.
|
||||
wrapper.prototype.chain = function() {
|
||||
this._chain = true;
|
||||
return this;
|
||||
};
|
||||
|
||||
// Extracts the result from a wrapped and chained object.
|
||||
wrapper.prototype.value = function() {
|
||||
return this._wrapped;
|
||||
};
|
||||
|
||||
}).call(this);
|
||||
|
|
@ -1,73 +0,0 @@
|
|||
// requires dataTables
|
||||
|
||||
var oTable = null;
|
||||
|
||||
// flattens JSON from Druid and builds a table row per segment
|
||||
function initTables(data) {
|
||||
var resultTable = new DruidTable();
|
||||
var row = 0;
|
||||
|
||||
// parse JSON
|
||||
for (var entry in data) {
|
||||
// build server table
|
||||
for (var field in data[entry]) {
|
||||
if (!(data[entry][field] instanceof Object)) {
|
||||
resultTable.setCell(row, field, data[entry][field]);
|
||||
}
|
||||
}
|
||||
row++;
|
||||
}
|
||||
|
||||
resultTable.toHTMLTable($('#result_table'));
|
||||
}
|
||||
|
||||
function initDataTable(el) {
|
||||
// dataTable stuff (http://www.datatables.net/)
|
||||
var asInitVals = [];
|
||||
|
||||
oTable = el.dataTable({
|
||||
"oLanguage": {
|
||||
"sSearch": "Search all columns:"
|
||||
},
|
||||
"oSearch": {
|
||||
"sSearch": "",
|
||||
"bRegex": true
|
||||
},
|
||||
"sPaginationType": "full_numbers",
|
||||
"bProcessing": true,
|
||||
"bDeferRender": true
|
||||
});
|
||||
|
||||
|
||||
$("thead input").keyup(function() {
|
||||
oTable.fnFilter(this.value, oTable.children("thead").find("input").index(this), true);
|
||||
});
|
||||
|
||||
$("thead input").each(function(i) {
|
||||
asInitVals[i] = this.value;
|
||||
});
|
||||
|
||||
$("thead input").focus(function() {
|
||||
if (this.className === "search_init" ) {
|
||||
this.className = "";
|
||||
this.value = "";
|
||||
}
|
||||
});
|
||||
|
||||
$("thead input").blur(function(i) {
|
||||
if (this.value === "" ) {
|
||||
this.className = "search_init";
|
||||
this.value = asInitVals[$("thead input").index(this)];
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function buildTable(data, el) {
|
||||
if (oTable != null) {
|
||||
oTable.fnDestroy();
|
||||
el.empty();
|
||||
}
|
||||
|
||||
initTables(data);
|
||||
initDataTable(el);
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
// requires jQuery, druidTable, dataTables
|
||||
var oTable = [];
|
||||
|
||||
// flattens JSON from Druid and builds a table row per segment
|
||||
function buildTable(data, el, dontDisplay, table, row) {
|
||||
table = typeof table !== 'undefined' ? table : new DruidTable();
|
||||
row = typeof row !== 'undefined' ? row : 0;
|
||||
dontDisplay = typeof dontDisplay !== 'undefined' ? dontDisplay : [];
|
||||
|
||||
if (!Array.isArray(data) || data.length == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (oTable[el.attr('id')] != null) {
|
||||
oTable[el.attr('id')].fnDestroy();
|
||||
el.empty();
|
||||
}
|
||||
|
||||
// parse JSON
|
||||
for (var item in data) {
|
||||
setTable(data[item], el, dontDisplay, table, row);
|
||||
row++;
|
||||
}
|
||||
|
||||
table.toHTMLTable(el);
|
||||
initDataTable(el);
|
||||
}
|
||||
|
||||
function setTable(data, el, dontDisplay, table, row) {
|
||||
for (var field in data) {
|
||||
if (_.contains(dontDisplay, field)) {
|
||||
// do nothing
|
||||
} else if (Array.isArray(data[field])) {
|
||||
table.setCell(row, field, JSON.stringify(data[field]));
|
||||
} else if (!(data[field] instanceof Object)) {
|
||||
table.setCell(row, field, data[field]);
|
||||
} else {
|
||||
setTable(data[field], el, dontDisplay, table, row);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function initDataTable(el) {
|
||||
// dataTable stuff (http://www.datatables.net/)
|
||||
var asInitVals = [];
|
||||
|
||||
oTable[el.attr('id')] = el.dataTable({
|
||||
"oLanguage": {
|
||||
"sSearch": "Search all columns:"
|
||||
},
|
||||
"oSearch": {
|
||||
"sSearch": "",
|
||||
"bRegex": true
|
||||
},
|
||||
"sPaginationType": "full_numbers",
|
||||
"bProcessing": true
|
||||
});
|
||||
|
||||
$("thead input").keyup(function() {
|
||||
var tbl = oTable[$(this).parents('table').attr('id')];
|
||||
tbl.fnFilter(this.value, tbl.children("thead").find("input").index(this), true);
|
||||
});
|
||||
|
||||
$("thead input").each(function(i) {
|
||||
asInitVals[i] = this.value;
|
||||
});
|
||||
|
||||
$("thead input").focus(function() {
|
||||
if (this.className === "search_init" ) {
|
||||
this.className = "";
|
||||
this.value = "";
|
||||
}
|
||||
});
|
||||
|
||||
$("thead input").blur(function(i) {
|
||||
if (this.value === "" ) {
|
||||
this.className = "search_init";
|
||||
this.value = asInitVals[$("thead input").index(this)];
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
@ -33,7 +33,7 @@
|
|||
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
|
||||
<script type="text/javascript" src="js/jquery.dataTables-1.8.2.js"></script>
|
||||
<script type="text/javascript" src="js/druidTable-0.0.1.js"></script>
|
||||
<script type="text/javascript" src="js/tablehelper-0.0.1.js"></script>
|
||||
<script type="text/javascript" src="js/tablehelper-0.0.2.js"></script>
|
||||
<script type="text/javascript" src="js/handlers-0.0.1.js"></script>
|
||||
</head>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue