Draggable.html
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<!DOCTYPE html>
<html>
<head>
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<title>The source code</title>
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<pre class="prettyprint lang-js"><span id='Ext-ux-DataView-Draggable'>/**
</span> * @class Ext.ux.DataView.Draggable
* @extends Object
* @author Ed Spencer
*
<pre><code>
Ext.create('Ext.view.View', {
mixins: {
draggable: 'Ext.ux.DataView.Draggable'
},
initComponent: function() {
this.mixins.draggable.init(this, {
ddConfig: {
ddGroup: 'someGroup'
}
});
this.callParent(arguments);
}
});
</code></pre>
*
*/
Ext.define('Ext.ux.DataView.Draggable', {
requires: 'Ext.dd.DragZone',
<span id='Ext-ux-DataView-Draggable-cfg-ghostCls'> /**
</span> * @cfg {String} ghostCls The CSS class added to the outermost element of the created ghost proxy
* (defaults to 'x-dataview-draggable-ghost')
*/
ghostCls: 'x-dataview-draggable-ghost',
<span id='Ext-ux-DataView-Draggable-cfg-ghostTpl'> /**
</span> * @cfg {Ext.XTemplate/Array} ghostTpl The template used in the ghost DataView
*/
ghostTpl: [
'<tpl for=".">',
'{title}',
'</tpl>'
],
<span id='Ext-ux-DataView-Draggable-cfg-ddConfig'> /**
</span> * @cfg {Object} ddConfig Config object that is applied to the internally created DragZone
*/
<span id='Ext-ux-DataView-Draggable-cfg-ghostConfig'> /**
</span> * @cfg {String} ghostConfig Config object that is used to configure the internally created DataView
*/
init: function(dataview, config) {
<span id='Ext-ux-DataView-Draggable-property-dataview'> /**
</span> * @property dataview
* @type Ext.view.View
* The Ext.view.View instance that this DragZone is attached to
*/
this.dataview = dataview;
dataview.on('render', this.onRender, this);
Ext.apply(this, {
itemSelector: dataview.itemSelector,
ghostConfig : {}
}, config || {});
Ext.applyIf(this.ghostConfig, {
itemSelector: 'img',
cls: this.ghostCls,
tpl: this.ghostTpl
});
},
<span id='Ext-ux-DataView-Draggable-method-onRender'> /**
</span> * @private
* Called when the attached DataView is rendered. Sets up the internal DragZone
*/
onRender: function() {
var config = Ext.apply({}, this.ddConfig || {}, {
dvDraggable: this,
dataview : this.dataview,
getDragData: this.getDragData,
getTreeNode: this.getTreeNode,
afterRepair: this.afterRepair,
getRepairXY: this.getRepairXY
});
<span id='Ext-ux-DataView-Draggable-property-dragZone'> /**
</span> * @property dragZone
* @type Ext.dd.DragZone
* The attached DragZone instane
*/
this.dragZone = Ext.create('Ext.dd.DragZone', this.dataview.getEl(), config);
},
getDragData: function(e) {
var draggable = this.dvDraggable,
dataview = this.dataview,
selModel = dataview.getSelectionModel(),
target = e.getTarget(draggable.itemSelector),
selected, dragData;
if (target) {
if (!dataview.isSelected(target)) {
selModel.select(dataview.getRecord(target));
}
selected = dataview.getSelectedNodes();
dragData = {
copy: true,
nodes: selected,
records: selModel.getSelection(),
item: true
};
if (selected.length == 1) {
dragData.single = true;
dragData.ddel = target;
} else {
dragData.multi = true;
dragData.ddel = draggable.prepareGhost(selModel.getSelection()).dom;
}
return dragData;
}
return false;
},
getTreeNode: function() {
// console.log('test');
},
afterRepair: function() {
this.dragging = false;
var nodes = this.dragData.nodes,
length = nodes.length,
i;
//FIXME: Ext.fly does not work here for some reason, only frames the last node
for (i = 0; i < length; i++) {
Ext.get(nodes[i]).frame('#8db2e3', 1);
}
},
<span id='Ext-ux-DataView-Draggable-method-getRepairXY'> /**
</span> * @private
* Returns the x and y co-ordinates that the dragged item should be animated back to if it was dropped on an
* invalid drop target. If we're dragging more than one item we don't animate back and just allow afterRepair
* to frame each dropped item.
*/
getRepairXY: function(e) {
if (this.dragData.multi) {
return false;
} else {
var repairEl = Ext.get(this.dragData.ddel),
repairXY = repairEl.getXY();
//take the item's margins and padding into account to make the repair animation line up perfectly
repairXY[0] += repairEl.getPadding('t') + repairEl.getMargin('t');
repairXY[1] += repairEl.getPadding('l') + repairEl.getMargin('l');
return repairXY;
}
},
<span id='Ext-ux-DataView-Draggable-method-prepareGhost'> /**
</span> * Updates the internal ghost DataView by ensuring it is rendered and contains the correct records
* @param {Array} records The set of records that is currently selected in the parent DataView
* @return {Ext.view.View} The Ghost DataView
*/
prepareGhost: function(records) {
var ghost = this.createGhost(records),
store = ghost.store;
store.removeAll();
store.add(records);
return ghost.getEl();
},
<span id='Ext-ux-DataView-Draggable-method-createGhost'> /**
</span> * @private
* Creates the 'ghost' DataView that follows the mouse cursor during the drag operation. This div is usually a
* lighter-weight representation of just the nodes that are selected in the parent DataView.
*/
createGhost: function(records) {
if (!this.ghost) {
var ghostConfig = Ext.apply({}, this.ghostConfig, {
store: Ext.create('Ext.data.Store', {
model: records[0].modelName
})
});
this.ghost = Ext.create('Ext.view.View', ghostConfig);
this.ghost.render(document.createElement('div'));
}
return this.ghost;
}
});
</pre>
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