add extjs 6.0.1 sources

[extjs.git] / extjs / classic / classic / src / panel / DD.js

/**\r
 * DD implementation for Panels.\r
 * @private\r
 */\r
Ext.define('Ext.panel.DD', {\r
    extend: 'Ext.dd.DragSource',\r
    requires: ['Ext.panel.Proxy'],\r
\r
    constructor : function(panel, cfg){\r
        var me = this;\r
        \r
        me.panel = panel;\r
        me.dragData = {panel: panel};\r
        me.panelProxy = new Ext.panel.Proxy(panel, cfg);\r
        me.proxy = me.panelProxy.proxy;\r
\r
        me.callParent([panel.el, cfg]);\r
        me.setupEl(panel);\r
    },\r
    \r
    setupEl: function(panel){\r
        var me = this,\r
            header = panel.header,\r
            el = panel.body;\r
            \r
        if (header) {\r
            me.setHandleElId(header.id);\r
            el = header.el;\r
        }\r
        if (el) {\r
            el.setStyle('cursor', 'move');\r
            me.scroll = false;\r
        } else {\r
            // boxready fires after first layout, so we'll definitely be rendered\r
            panel.on('boxready', me.setupEl, me, {single: true});\r
        }\r
    },\r
\r
    showFrame: Ext.emptyFn,\r
    startDrag: Ext.emptyFn,\r
    \r
    b4StartDrag: function(x, y) {\r
        this.panelProxy.show();\r
    },\r
    \r
    b4MouseDown: function(e) {\r
        var xy = e.getXY(),\r
            x = xy[0],\r
            y = xy[1];\r
            \r
       this.autoOffset(x, y);\r
    },\r
    \r
    onInitDrag : function(x, y){\r
        this.onStartDrag(x, y);\r
        return true;\r
    },\r
    \r
    createFrame : Ext.emptyFn,\r
    \r
    getDragEl : function(e){\r
        var ghost = this.panelProxy.ghost;\r
        if (ghost) {\r
            return ghost.el.dom;\r
        }\r
    },\r
    \r
    endDrag : function(e){\r
        this.panelProxy.hide();\r
        this.panel.saveState();\r
    },\r
\r
    autoOffset : function(x, y) {\r
        x -= this.startPageX;\r
        y -= this.startPageY;\r
        this.setDelta(x, y);\r
    },\r
    \r
    // Override this, we don't want to repair on an "invalid" drop, the panel\r
    // should main it's position\r
    onInvalidDrop: function(target, e, id) {\r
        var me = this;\r
        \r
        if (me.beforeInvalidDrop(target, e, id) !== false) {\r
            if (me.cachedTarget) {\r
                if(me.cachedTarget.isNotifyTarget){\r
                    me.cachedTarget.notifyOut(me, e, me.dragData);\r
                }\r
                me.cacheTarget = null;\r
            }\r
\r
            if (me.afterInvalidDrop) {\r
                /**\r
                * An empty function by default, but provided so that you can perform a custom action\r
                * after an invalid drop has occurred by providing an implementation.\r
                * @param {Event} e The event object\r
                * @param {String} id The id of the dropped element\r
                * @method afterInvalidDrop\r
                */\r
                me.afterInvalidDrop(e, id);\r
            }\r
        }\r
    }\r
});