X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/530ef4b6c5b943cfa68b779d11cf7de29aa878bf..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/docs/source/Highlight.html diff --git a/docs/source/Highlight.html b/docs/source/Highlight.html new file mode 100644 index 00000000..67b8fe94 --- /dev/null +++ b/docs/source/Highlight.html @@ -0,0 +1,180 @@ +
\ No newline at end of file/** + * @class Ext.chart.Highlight + * @ignore + */ +Ext.define('Ext.chart.Highlight', { + + /* Begin Definitions */ + + requires: ['Ext.fx.Anim'], + + /* End Definitions */ + + /** + * Highlight the given series item. + * @param {Boolean|Object} Default's false. Can also be an object width style properties (i.e fill, stroke, radius) + * or just use default styles per series by setting highlight = true. + */ + highlight: false, + + highlightCfg : null, + + constructor: function(config) { + if (config.highlight) { + if (config.highlight !== true) { //is an object + this.highlightCfg = Ext.apply({}, config.highlight); + } + else { + this.highlightCfg = { + fill: '#fdd', + radius: 20, + lineWidth: 5, + stroke: '#f55' + }; + } + } + }, + + /** + * Highlight the given series item. + * @param {Object} item Info about the item; same format as returned by #getItemForPoint. + */ + highlightItem: function(item) { + if (!item) { + return; + } + + var me = this, + sprite = item.sprite, + opts = me.highlightCfg, + surface = me.chart.surface, + animate = me.chart.animate, + p, + from, + to, + pi; + + if (!me.highlight || !sprite || sprite._highlighted) { + return; + } + if (sprite._anim) { + sprite._anim.paused = true; + } + sprite._highlighted = true; + if (!sprite._defaults) { + sprite._defaults = Ext.apply(sprite._defaults || {}, + sprite.attr); + from = {}; + to = {}; + for (p in opts) { + if (! (p in sprite._defaults)) { + sprite._defaults[p] = surface.availableAttrs[p]; + } + from[p] = sprite._defaults[p]; + to[p] = opts[p]; + if (Ext.isObject(opts[p])) { + from[p] = {}; + to[p] = {}; + Ext.apply(sprite._defaults[p], sprite.attr[p]); + Ext.apply(from[p], sprite._defaults[p]); + for (pi in sprite._defaults[p]) { + if (! (pi in opts[p])) { + to[p][pi] = from[p][pi]; + } else { + to[p][pi] = opts[p][pi]; + } + } + for (pi in opts[p]) { + if (! (pi in to[p])) { + to[p][pi] = opts[p][pi]; + } + } + } + } + sprite._from = from; + sprite._to = to; + } + if (animate) { + sprite._anim = Ext.create('Ext.fx.Anim', { + target: sprite, + from: sprite._from, + to: sprite._to, + duration: 150 + }); + } else { + sprite.setAttributes(sprite._to, true); + } + }, + + /** + * Un-highlight any existing highlights + */ + unHighlightItem: function() { + if (!this.highlight || !this.items) { + return; + } + + var me = this, + items = me.items, + len = items.length, + opts = me.highlightCfg, + animate = me.chart.animate, + i = 0, + obj, + p, + sprite; + + for (; i < len; i++) { + if (!items[i]) { + continue; + } + sprite = items[i].sprite; + if (sprite && sprite._highlighted) { + if (sprite._anim) { + sprite._anim.paused = true; + } + obj = {}; + for (p in opts) { + if (Ext.isObject(sprite._defaults[p])) { + obj[p] = {}; + Ext.apply(obj[p], sprite._defaults[p]); + } + else { + obj[p] = sprite._defaults[p]; + } + } + if (animate) { + sprite._anim = Ext.create('Ext.fx.Anim', { + target: sprite, + to: obj, + duration: 150 + }); + } + else { + sprite.setAttributes(obj, true); + } + delete sprite._highlighted; + //delete sprite._defaults; + } + } + }, + + cleanHighlights: function() { + if (!this.highlight) { + return; + } + + var group = this.group, + markerGroup = this.markerGroup, + i = 0, + l; + for (l = group.getCount(); i < l; i++) { + delete group.getAt(i)._defaults; + } + if (markerGroup) { + for (l = markerGroup.getCount(); i < l; i++) { + delete markerGroup.getAt(i)._defaults; + } + } + } +});