104 lines
3.7 KiB
JavaScript
104 lines
3.7 KiB
JavaScript
(function($){
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$.fn.filter_visible = function(depth) {
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depth = depth || 3;
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var is_visible = function() {
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var p = $(this);
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for(i=0; i<depth-1; ++i) {
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if (!p.is(':visible')) return false;
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p = p.parent();
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}
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return true;
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}
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return this.filter(is_visible);
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};
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$.table_hotkeys = function(table, keys, opts) {
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opts = $.extend($.table_hotkeys.defaults, opts);
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var selected_class = opts.class_prefix + opts.selected_suffix;
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var destructive_class = opts.class_prefix + opts.destructive_suffix;
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var set_current_row = function (tr) {
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if ($.table_hotkeys.current_row) $.table_hotkeys.current_row.removeClass(selected_class);
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tr.addClass(selected_class);
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tr[0].scrollIntoView(false);
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$.table_hotkeys.current_row = tr;
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};
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var adjacent_row_callback = function(which) {
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if (!adjacent_row(which) && $.isFunction(opts[which+'_page_link_cb'])) {
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opts[which+'_page_link_cb']();
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}
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};
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var get_adjacent_row = function(which) {
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if (!$.table_hotkeys.current_row) {
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var first_row = get_first_row();
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$.table_hotkeys.current_row = first_row;
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return first_row[0];
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}
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var method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
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return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter_visible()[0];
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};
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var adjacent_row = function(which) {
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var adj = get_adjacent_row(which);
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if (!adj) return false;
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set_current_row($(adj));
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return true;
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};
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var prev_row = function() { return adjacent_row('prev'); };
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var next_row = function() { return adjacent_row('next'); };
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var check = function() {
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$(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
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this.checked = !this.checked;
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});
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};
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var get_first_row = function() {
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return $(opts.cycle_expr, table).filter_visible().eq(opts.start_row_index);
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};
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var get_last_row = function() {
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var rows = $(opts.cycle_expr, table).filter_visible();
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return rows.eq(rows.length-1);
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};
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var make_key_callback = function(expr) {
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return function() {
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if ( null == $.table_hotkeys.current_row ) return false;
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var clickable = $(expr, $.table_hotkeys.current_row).filter_visible();
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if (!clickable.length) return false;
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if (clickable.is('.'+destructive_class)) next_row() || prev_row();
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clickable.click();
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}
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};
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var make_key_expr = function(elem) {
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if (typeof elem.key == 'string') {
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key = elem.key;
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if (typeof elem.expr == 'string')
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expr = elem.expr;
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else if (typeof elem.suffix == 'string')
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expr = '.'+opts.class_prefix+elem.suffix;
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else
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expr = '.'+opts.class_prefix+elem.key;
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} else {
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key = elem;
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expr = '.'+opts.class_prefix+elem;
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}
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return {key: key, expr: expr};
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};
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var first_row = get_first_row();
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if (!first_row.length) return;
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if (opts.highlight_first) {
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set_current_row(first_row);
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} else if (opts.highlight_last) {
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set_current_row(get_last_row());
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};
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jQuery.hotkeys.add(opts.prev_key, opts.hotkeys_opts, function() {return adjacent_row_callback('prev')});
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jQuery.hotkeys.add(opts.next_key, opts.hotkeys_opts, function() {return adjacent_row_callback('next')});
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jQuery.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
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jQuery.each(keys, function() {
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var key_expr = make_key_expr(this);
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jQuery.hotkeys.add(key_expr.key, opts.hotkeys_opts, make_key_callback(key_expr.expr));
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});
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};
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$.table_hotkeys.current_row = null;
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$.table_hotkeys.defaults = {cycle_expr: 'tr', class_prefix: 'vim-', selected_suffix: 'current',
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destructive_suffix: 'destructive', hotkeys_opts: {disableInInput: true, type: 'keypress'},
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checkbox_expr: ':checkbox', next_key: 'j', prev_key: 'k', mark_key: 'x',
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start_row_index: 1, highlight_first: false, highlight_last: false, next_page_link_cb: function() {}, prev_page_link_cb: function() {}};
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})(jQuery);
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