/** * Color picker provides a simple color palette for choosing colors. The picker can be rendered to any container. The * available default to a standard 40-color palette; this can be customized with the {@link #colors} config. * * Typically you will need to implement a handler function to be notified when the user chooses a color from the picker; * you can register the handler using the {@link #event-select} event, or by implementing the {@link #handler} method. * * @example * Ext.create('Ext.picker.Color', { * value: '993300', // initial selected color * renderTo: Ext.getBody(), * listeners: { * select: function(picker, selColor) { * alert(selColor); * } * } * }); */Ext.define('Ext.picker.Color', { extend: 'Ext.Component', requires: 'Ext.XTemplate', alias: 'widget.colorpicker', alternateClassName: 'Ext.ColorPalette', focusable: true, /** * @cfg {String} [componentCls='x-color-picker'] * The CSS class to apply to the containing element. */ componentCls : Ext.baseCSSPrefix + 'color-picker', /** * @cfg {String} [selectedCls='x-color-picker-selected'] * The CSS class to apply to the selected element */ selectedCls: Ext.baseCSSPrefix + 'color-picker-selected', /** * @cfg {String} itemCls * The CSS class to apply to the color picker's items */ itemCls: Ext.baseCSSPrefix + 'color-picker-item', /** * @cfg {String} value * The initial color to highlight (should be a valid 6-digit color hex code without the # symbol). Note that the hex * codes are case-sensitive. */ value : null, /** * @cfg {String} clickEvent * The DOM event that will cause a color to be selected. This can be any valid event name (dblclick, contextmenu). */ clickEvent :'click', /** * @cfg {Boolean} allowReselect * If set to true then reselecting a color that is already selected fires the {@link #event-select} event */ allowReselect : false, /** * @property {String[]} colors * An array of 6-digit color hex code strings (without the # symbol). This array can contain any number of colors, * and each hex code should be unique. The width of the picker is controlled via CSS by adjusting the width property * of the 'x-color-picker' class (or assigning a custom class), so you can balance the number of colors with the * width setting until the box is symmetrical. * * You can override individual colors if needed: * * var cp = new Ext.picker.Color(); * cp.colors[0] = 'FF0000'; // change the first box to red * * Or you can provide a custom array of your own for complete control: * * var cp = new Ext.picker.Color(); * cp.colors = ['000000', '993300', '333300']; */ colors : [ '000000', '993300', '333300', '003300', '003366', '000080', '333399', '333333', '800000', 'FF6600', '808000', '008000', '008080', '0000FF', '666699', '808080', 'FF0000', 'FF9900', '99CC00', '339966', '33CCCC', '3366FF', '800080', '969696', 'FF00FF', 'FFCC00', 'FFFF00', '00FF00', '00FFFF', '00CCFF', '993366', 'C0C0C0', 'FF99CC', 'FFCC99', 'FFFF99', 'CCFFCC', 'CCFFFF', '99CCFF', 'CC99FF', 'FFFFFF' ], /** * @cfg {Function/String} handler * A function that will handle the select event of this picker. The handler is passed the following parameters: * * - `picker` : ColorPicker * * The {@link Ext.picker.Color picker}. * * - `color` : String * * The 6-digit color hex code (without the # symbol). * * @declarativeHandler */ /** * @cfg {Object} scope * The scope (`this` reference) in which the `{@link #handler}` function will be called. * * Defaults to this Color picker instance. */ colorRe: /(?:^|\s)color-(.{6})(?:\s|$)/, renderTpl: [ '<tpl for="colors">', '<a href="#" role="button" class="color-{.} {parent.itemCls}" hidefocus="on">', '<span class="{parent.itemCls}-inner" style="background:#{.}"> </span>', '</a>', '</tpl>' ], /** * @event select * Fires when a color is selected * @param {Ext.picker.Color} this * @param {String} color The 6-digit color hex code (without the # symbol) */ /** * @private */ initComponent : function(){ var me = this; me.callParent(arguments); if (me.handler) { me.on('select', me.handler, me.scope, true); } }, /** * @private */ initRenderData : function(){ var me = this; return Ext.apply(me.callParent(), { itemCls: me.itemCls, colors: me.colors }); }, onRender : function(){ var me = this, clickEvent = me.clickEvent; me.callParent(arguments); me.mon(me.el, clickEvent, me.handleClick, me, {delegate: 'a'}); // always stop following the anchors if (clickEvent !== 'click'){ me.mon(me.el, 'click', Ext.emptyFn, me, {delegate: 'a', stopEvent: true}); } }, /** * @private */ afterRender : function(){ var me = this, value; me.callParent(arguments); if (me.value) { value = me.value; me.value = null; me.select(value, true); } }, /** * @private */ handleClick : function(event){ var me = this, color; event.stopEvent(); if (!me.disabled) { color = event.currentTarget.className.match(me.colorRe)[1]; me.select(color.toUpperCase()); } }, /** * Selects the specified color in the picker (fires the {@link #event-select} event) * @param {String} color A valid 6-digit color hex code (# will be stripped if included) * @param {Boolean} [suppressEvent=false] True to stop the select event from firing. */ select : function(color, suppressEvent){ var me = this, selectedCls = me.selectedCls, value = me.value, el, item; color = color.replace('#', ''); if (!me.rendered) { me.value = color; return; } if (color !== value || me.allowReselect) { el = me.el; if (me.value) { item = el.down('a.color-' + value, true); Ext.fly(item).removeCls(selectedCls); } item = el.down('a.color-' + color, true); Ext.fly(item).addCls(selectedCls); me.value = color; if (suppressEvent !== true) { me.fireEvent('select', me, color); } } }, /** * Clears any selection and sets the value to `null`. */ clear: function(){ var me = this, value = me.value, el; if (value && me.rendered) { el = me.el.down('a.color-' + value, true); Ext.fly(el).removeCls(me.selectedCls); } me.value = null; }, /** * Get the currently selected color value. * @return {String} value The selected value. Null if nothing is selected. */ getValue: function(){ return this.value || null; }});