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path: root/frontend/beta/js/YUI-extensions/dd/DragZone.js
authorGiulio Cesare Solaroli <giulio.cesare@solaroli.it>2011-10-03 16:04:12 (UTC)
committer Giulio Cesare Solaroli <giulio.cesare@solaroli.it>2011-10-03 16:04:12 (UTC)
commit541bb378ddece2eab135a8066a16994e94436dea (patch) (side-by-side diff)
treeff160ea3e26f7fe07fcfd401387c5a0232ca715e /frontend/beta/js/YUI-extensions/dd/DragZone.js
parent1bf431fd3d45cbdf4afa3e12afefe5d24f4d3bc7 (diff)
parentecad5e895831337216544e81f1a467e0c68c4a6a (diff)
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Merge pull request #1 from gcsolaroli/master
First version of the restructured repository
Diffstat (limited to 'frontend/beta/js/YUI-extensions/dd/DragZone.js') (more/less context) (ignore whitespace changes)
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diff --git a/frontend/beta/js/YUI-extensions/dd/DragZone.js b/frontend/beta/js/YUI-extensions/dd/DragZone.js
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+// kill drag drop dependency
+if(YAHOO.util.DragDrop){
+/**
+ * @class YAHOO.ext.dd.DragZone
+ * @extends YAHOO.ext.dd.Source
+ * This class provides a container DD instance that proxies for multiple child node sources.<br />
+ * By default, this class requires that draggable child nodes are registered with
+ * {@link YAHOO.ext.dd.Registry}.
+ * @cfg {Boolean} containerScroll True to register this container with the Scrollmanager
+ * for auto scrolling during drag operations.
+ * @constructor
+ * @param {String/HTMLElement/Element} el The container element
+ * @param {Object} config
+ */
+YAHOO.ext.dd.DragZone = function(el, config){
+ YAHOO.ext.dd.DragZone.superclass.constructor.call(this, el, config);
+ if(this.containerScroll){
+ YAHOO.ext.dd.ScrollManager.register(this.el);
+ }
+};
+
+YAHOO.extendX(YAHOO.ext.dd.DragZone, YAHOO.ext.dd.DragSource, {
+ /**
+ * Called when a mousedown occurs in this container. Looks in {@link YAHOO.ext.dd.Registry}
+ * for a valid target to drag based on the mouse down. Override this method
+ * to provide your own lookup logic (e.g. finding a child by class name). Make sure your returned
+ * object has a "ddel" attribute (with an HTML Element) for other functions to work.
+ * @param {EventObject} e The mouse down event
+ * @return {Object} The dragData
+ */
+ getDragData : function(e){
+ return YAHOO.ext.dd.Registry.getHandleFromEvent(e);
+ },
+
+ /**
+ * Called once drag threshold has been reached to initialize the proxy element. By default, it clones the
+ * this.dragData.ddel
+ * @param {EventObject} e The current event
+ * @return {Boolean} true to continue the drag, false to cancel
+ */
+ onInitDrag : function(e){
+ this.proxy.update(this.dragData.ddel.cloneNode(true));
+ return true;
+ },
+
+ /**
+ * Called after a repair of an invalid drop. By default, highlights this.dragData.ddel
+ */
+ afterRepair : function(){
+ YAHOO.ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || 'c3daf9');
+ this.dragging = false;
+ },
+
+ /**
+ * Called before a repair of an invalid drop to get the XY to animate to. By default returns
+ * the XY of this.dragData.ddel
+ * @param {EventObject} e The mouse up event
+ * @return {Array} The xy location (e.g. [100, 200])
+ */
+ getRepairXY : function(e){
+ return YAHOO.ext.Element.fly(this.dragData.ddel).getXY();
+ }
+});
+}