172 lines
4 KiB
JavaScript
172 lines
4 KiB
JavaScript
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(function() {
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var Dom = YAHOO.util.Dom;
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var Event = YAHOO.util.Event;
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var DDM = YAHOO.util.DragDropMgr;
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YAHOO.example.DDListItem = function(id, sGroup, config) {
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if (id) {
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this.init(id, sGroup, config);
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this.initFrame();
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this.logger = this.logger || YAHOO;
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}
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var el = this.getDragEl();
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Dom.setStyle(el, "opacity", 0.67);
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this.host= config && config.hostId;
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this.setPadding(-4);
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this.goingUp = false;
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this.lastY = 0;
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};
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YAHOO.extend(YAHOO.example.DDListItem, YAHOO.util.DDProxy, {
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startDrag: function(x, y) {
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this.logger.log(this.id + " startDrag");
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var dragEl = this.getDragEl();
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var clickEl = this.getEl();
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Dom.setStyle(clickEl, "visibility", "hidden");
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dragEl.innerHTML = clickEl.innerHTML;
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Dom.setStyle(dragEl, "color", Dom.getStyle(clickEl, "color"));
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Dom.setStyle(dragEl, "backgroundColor", Dom.getStyle(clickEl, "backgroundColor"));
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Dom.setStyle(dragEl, "border", "2px solid gray");
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},
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endDrag: function(e) {
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var srcEl = this.getEl();
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var proxy = this.getDragEl();
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Dom.setStyle(proxy, "visibility", "visible");
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// animate the proxy element to the src element's location
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var a = new YAHOO.util.Motion(
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proxy, {
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points: {
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to: Dom.getXY(srcEl)
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}
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},
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0.3,
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YAHOO.util.Easing.easeOut
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)
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var proxyid = proxy.id;
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var id = this.id;
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a.onComplete.subscribe(function() {
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Dom.setStyle(proxyid, "visibility", "hidden");
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Dom.setStyle(id, "visibility", "");
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});
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a.animate();
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},
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onDragDrop: function(e, id) {
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YAHOO.log("DROP: " + id, "warn");
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},
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onDrag: function(e, id) {
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// figure out which direction we are moving
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var y = Event.getPageY(e);
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if (y < this.lastY) {
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this.goingUp = true;
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} else if (y > this.lastY) {
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this.goingUp = false;
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}
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this.lastY = y;
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},
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onDragOver: function(e, id) {
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var srcEl = this.getEl();
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var destEl;
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if ("string" == typeof id) { // POINT mode
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destEl = Dom.get(id);
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} else { // INTERSECT mode
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destEl= YAHOO.util.DDM.getBestMatch(id).getEl();
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}
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var destDD = DDM.getDDById(destEl.id);
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if (destDD.isContainer) {
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if (this.isEmpty) {
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destEl.appendChild(this.getEl());
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this.isEmpty = false;
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DDM.refreshCache();
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}
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} else {
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var orig_p = srcEl.parentNode;
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var p = destEl.parentNode;
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//YAHOO.log("destEl: " + destEl.id, "error");
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//YAHOO.log("p: " + p.id, "error");
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if (this.goingUp) {
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p.insertBefore(srcEl, destEl);
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} else {
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p.insertBefore(srcEl, destEl.nextSibling);
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}
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if (p != orig_p) {
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// set the new parent
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this.hostId = p.id;
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// check to se if the original parent is empty
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if (orig_p.getElementsByTagName("li").length === 0) {
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// mark the list dd instance empty
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DDM.getDDById(orig_p.id).isEmpty = true;
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}
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// the new parent can't be empty if it was previously
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DDM.getDDById(p.id).isEmpty = false;
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}
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DDM.refreshCache();
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}
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},
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onDragEnter: function(e, id) {
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},
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onDragOut: function(e, id) {
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},
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toString: function() {
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return "DDListItem " + this.id;
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}
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});
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YAHOO.example.DDList = function(id, sGroup, config) {
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if (id) {
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this.initTarget(id, sGroup, config);
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this.logger = this.logger || YAHOO;
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}
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this.isContainer = true;
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this.isEmpty = false;
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};
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YAHOO.extend(YAHOO.example.DDList, YAHOO.util.DDProxy, {
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});
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})();
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