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Further HSSF Color Gradient support 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1691796 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-07-19 04:59:51 +00:00
parent 9787cb8b9e
commit 5eb84a7f49
4 changed files with 143 additions and 11 deletions
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15
src/java/org/apache/poi/hssf/record/CFRule12Record.java
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@ -202,6 +202,21 @@ public final class CFRule12Record extends CFRuleBase implements FutureRecord {
return multistate;
}
public boolean containsColorGradientBlock() {
return (color_gradient != null);
}
public ColorGradientFormatting getColorGradientFormatting() {
return color_gradient;
}
public ColorGradientFormatting createColorGradientFormatting() {
if (color_gradient != null) return color_gradient;
// Convert, setup and return
setConditionType(CONDITION_TYPE_COLOR_SCALE);
color_gradient = new ColorGradientFormatting();
return color_gradient;
}
/**
* get the stack of the scale expression as a list
*

10
src/java/org/apache/poi/hssf/record/cf/ColorGradientFormatting.java
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@ -64,6 +64,16 @@ public final class ColorGradientFormatting implements Cloneable {
in.readFully(colors);
}
public int getNumControlPoints() {
return thresholds.length;
}
public void setNumControlPoints(int num) {
if (num != thresholds.length) {
thresholds = new Threshold[num];
// TODO Colors
}
}
public Threshold[] getThresholds() {
return thresholds;
}

75
src/java/org/apache/poi/hssf/usermodel/HSSFColorScaleFormatting.java Normal file
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@ -0,0 +1,75 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hssf.usermodel;
import org.apache.poi.hssf.record.CFRule12Record;
import org.apache.poi.hssf.record.cf.ColorGradientFormatting;
import org.apache.poi.hssf.record.cf.Threshold;
import org.apache.poi.ss.usermodel.Color;
import org.apache.poi.ss.usermodel.ConditionalFormattingThreshold;
/**
* High level representation for Color Scale / Color Gradient
* Formatting component of Conditional Formatting settings
*/
public final class HSSFColorScaleFormatting implements org.apache.poi.ss.usermodel.ColorScaleFormatting {
private final HSSFSheet sheet;
private final CFRule12Record cfRule12Record;
private final ColorGradientFormatting colorFormatting;
protected HSSFColorScaleFormatting(CFRule12Record cfRule12Record, HSSFSheet sheet) {
this.sheet = sheet;
this.cfRule12Record = cfRule12Record;
this.colorFormatting = this.cfRule12Record.getColorGradientFormatting();
}
public int getNumControlPoints() {
return colorFormatting.getNumControlPoints();
}
public void setNumControlPoints(int num) {
colorFormatting.setNumControlPoints(num);
}
public Color[] getColors() {
return null; // TODO
}
public void setColors(Color[] colors) {
// TODO
}
public HSSFConditionalFormattingThreshold[] getThresholds() {
Threshold[] t = colorFormatting.getThresholds();
HSSFConditionalFormattingThreshold[] ht = new HSSFConditionalFormattingThreshold[t.length];
for (int i=0; i<t.length; i++) {
ht[i] = new HSSFConditionalFormattingThreshold(t[i], sheet);
}
return ht;
}
public void setThresholds(ConditionalFormattingThreshold[] thresholds) {
Threshold[] t = new Threshold[thresholds.length];
for (int i=0; i<t.length; i++) {
t[i] = ((HSSFConditionalFormattingThreshold)thresholds[i]).getThreshold();
}
colorFormatting.setThresholds(t);
}
public HSSFConditionalFormattingThreshold createThreshold() {
return new HSSFConditionalFormattingThreshold(new Threshold(), sheet);
}
}

54
src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormattingRule.java
View File

@ -23,6 +23,7 @@ import org.apache.poi.hssf.record.CFRuleBase;
import org.apache.poi.hssf.record.CFRuleBase.ComparisonOperator;
import org.apache.poi.hssf.record.CFRuleRecord;
import org.apache.poi.hssf.record.cf.BorderFormatting;
import org.apache.poi.hssf.record.cf.ColorGradientFormatting;
import org.apache.poi.hssf.record.cf.FontFormatting;
import org.apache.poi.hssf.record.cf.IconMultiStateFormatting;
import org.apache.poi.hssf.record.cf.PatternFormatting;
@ -55,10 +56,18 @@ public final class HSSFConditionalFormattingRule implements ConditionalFormattin
cfRuleRecord = pRuleRecord;
}
CFRuleBase getCfRuleRecord()
{
CFRuleBase getCfRuleRecord() {
return cfRuleRecord;
}
private CFRule12Record getCFRule12Record(boolean create) {
if (cfRuleRecord instanceof CFRule12Record) {
// Good
} else {
if (create) throw new IllegalArgumentException("Can't convert a CF into a CF12 record");
return null;
}
return (CFRule12Record)cfRuleRecord;
}
private HSSFFontFormatting getFontFormatting(boolean create)
{
@ -171,13 +180,7 @@ public final class HSSFConditionalFormattingRule implements ConditionalFormattin
}
private HSSFIconMultiStateFormatting getMultiStateFormatting(boolean create) {
if (cfRuleRecord instanceof CFRule12Record) {
// Good
} else {
if (create) throw new IllegalArgumentException("Can't convert a CF into a CF12 record");
return null;
}
CFRule12Record cfRule12Record = (CFRule12Record)cfRuleRecord;
CFRule12Record cfRule12Record = getCFRule12Record(create);
IconMultiStateFormatting iconFormatting = cfRule12Record.getMultiStateFormatting();
if (iconFormatting != null)
{
@ -193,14 +196,12 @@ public final class HSSFConditionalFormattingRule implements ConditionalFormattin
return null;
}
}
/**
* @return icon / multi-state formatting object if defined, <code>null</code> otherwise
*/
public HSSFIconMultiStateFormatting getMultiStateFormatting() {
return getMultiStateFormatting(false);
}
/**
* create a new icon / multi-state formatting object if it does not exist,
* otherwise just return the existing object.
@ -209,6 +210,37 @@ public final class HSSFConditionalFormattingRule implements ConditionalFormattin
return getMultiStateFormatting(true);
}
private HSSFColorScaleFormatting getColorScaleFormatting(boolean create) {
CFRule12Record cfRule12Record = getCFRule12Record(create);
ColorGradientFormatting colorFormatting = cfRule12Record.getColorGradientFormatting();
if (colorFormatting != null)
{
return new HSSFColorScaleFormatting(cfRule12Record, sheet);
}
else if( create )
{
colorFormatting = cfRule12Record.createColorGradientFormatting();
return new HSSFColorScaleFormatting(cfRule12Record, sheet);
}
else
{
return null;
}
}
/**
* @return color scale / gradient formatting object if defined, <code>null</code> otherwise
*/
public HSSFColorScaleFormatting getColorScaleFormatting() {
return getColorScaleFormatting(false);
}
/**
* create a new color scale / gradient formatting object if it does not exist,
* otherwise just return the existing object.
*/
public HSSFColorScaleFormatting createColorScaleFormatting() {
return getColorScaleFormatting(true);
}
/**
* @return - the conditiontype for the cfrule
*/