diff options
Diffstat (limited to 'mod/pages/vendors/jquery-treeview/jquery.treeview.sortable.js')
| -rw-r--r-- | mod/pages/vendors/jquery-treeview/jquery.treeview.sortable.js | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/mod/pages/vendors/jquery-treeview/jquery.treeview.sortable.js b/mod/pages/vendors/jquery-treeview/jquery.treeview.sortable.js new file mode 100644 index 000000000..d7d38588b --- /dev/null +++ b/mod/pages/vendors/jquery-treeview/jquery.treeview.sortable.js @@ -0,0 +1,378 @@ +/*
+ * jQuery UI Sortable
+ *
+ * Copyright (c) 2008 Paul Bakaus
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://docs.jquery.com/UI/Sortables
+ *
+ * Depends:
+ * ui.base.js
+ *
+ * Revision: $Id: ui.sortable.js 5262 2008-04-17 13:13:51Z paul.bakaus $
+ */
+;(function($) {
+
+ if (window.Node && Node.prototype && !Node.prototype.contains) {
+ Node.prototype.contains = function (arg) {
+ return !!(this.compareDocumentPosition(arg) & 16);
+ };
+ }
+
+
+ $.widget("ui.sortableTree", $.extend($.ui.mouse, {
+ init: function() {
+
+ //Initialize needed constants
+ var self = this, o = this.options;
+ this.containerCache = {};
+ this.element.addClass("ui-sortableTree");
+
+ //Get the items
+ this.refresh();
+
+ //Let's determine the parent's offset
+ if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative');
+ this.offset = this.element.offset();
+
+ //Initialize mouse events for interaction
+ this.mouseInit();
+
+ //Prepare cursorAt
+ if(o.cursorAt && o.cursorAt.constructor == Array)
+ o.cursorAt = { left: o.cursorAt[0], top: o.cursorAt[1] };
+
+ },
+ plugins: {},
+ ui: function(inst) {
+ return {
+ helper: (inst || this)["helper"],
+ position: (inst || this)["position"].current,
+ absolutePosition: (inst || this)["position"].absolute,
+ instance: this,
+ options: this.options,
+ element: this.element,
+ item: (inst || this)["currentItem"],
+ sender: inst ? inst.element : null
+ };
+ },
+ propagate: function(n,e,inst) {
+ $.ui.plugin.call(this, n, [e, this.ui(inst)]);
+ this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]);
+ },
+ serialize: function(o) {
+
+ var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself
+ var str = []; o = o || {};
+
+ items.each(function() {
+ var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
+ if(res) str.push((o.key || res[1])+'[]='+(o.key ? res[1] : res[2]));
+ });
+
+ return str.join('&');
+
+ },
+ toArray: function(attr) {
+ var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself
+ var ret = [];
+
+ items.each(function() { ret.push($(this).attr(attr || 'id')); });
+ return ret;
+ },
+ enable: function() {
+ this.element.removeClass("ui-sortableTree-disabled");
+ this.options.disabled = false;
+ },
+ disable: function() {
+ this.element.addClass("ui-sortableTree-disabled");
+ this.options.disabled = true;
+ },
+ /* Be careful with the following core functions */
+ intersectsWith: function(item) {
+
+ var x1 = this.position.absolute.left - 10, x2 = x1 + 10,
+ y1 = this.position.absolute.top - 10, y2 = y1 + 10;
+ var l = item.left, r = l + item.width,
+ t = item.top, b = t + item.height;
+
+ return ( l < x1 + (this.helperProportions.width / 2) // Right Half
+ && x2 - (this.helperProportions.width / 2) < r // Left Half
+ && t < y1 + (this.helperProportions.height / 2) // Bottom Half
+ && y2 - (this.helperProportions.height / 2) < b ); // Top Half
+
+ },
+ intersectsWithEdge: function(item) {
+ var y1 = this.position.absolute.top - 10, y2 = y1 + 10;
+ var t = item.top, b = t + item.height;
+
+ if(!this.intersectsWith(item.item.parents(".ui-sortableTree").data("sortableTree").containerCache)) return false;
+
+ if (!( t < y1 + (this.helperProportions.height / 2) // Bottom Half
+ && y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half
+
+ if(y2 > t && y1 < t) return 1; //Crosses top edge
+ if(y1 < b && y2 > b) return 2; //Crosses bottom edge
+
+ return false;
+
+ },
+ refresh: function() {
+ this.refreshItems();
+ this.refreshPositions();
+ },
+ refreshItems: function() {
+
+ this.items = [];
+ this.containers = [this];
+ var items = this.items;
+ var queries = [$(this.options.items, this.element)];
+
+ if(this.options.connectWith) {
+ for (var i = this.options.connectWith.length - 1; i >= 0; i--){
+ var cur = $(this.options.connectWith[i]);
+ for (var j = cur.length - 1; j >= 0; j--){
+ var inst = $.data(cur[j], 'sortableTree');
+ if(inst && !inst.options.disabled) {
+ queries.push($(inst.options.items, inst.element));
+ this.containers.push(inst);
+ }
+ };
+ };
+ }
+
+ for (var i = queries.length - 1; i >= 0; i--){
+ queries[i].each(function() {
+ $.data(this, 'sortableTree-item', true); // Data for target checking (mouse manager)
+ items.push({
+ item: $(this),
+ width: 0, height: 0,
+ left: 0, top: 0
+ });
+ });
+ };
+
+ },
+ refreshPositions: function(fast) {
+ for (var i = this.items.length - 1; i >= 0; i--){
+ if(!fast) this.items[i].height = this.items[i].item.outerHeight();
+ this.items[i].top = this.items[i].item.offset().top;
+ };
+ for (var i = this.containers.length - 1; i >= 0; i--){
+ var p =this.containers[i].element.offset();
+ this.containers[i].containerCache.left = p.left;
+ this.containers[i].containerCache.top = p.top;
+ this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
+ this.containers[i].containerCache.height= this.containers[i].element.outerHeight();
+ };
+ },
+ destroy: function() {
+
+ this.element
+ .removeClass("ui-sortableTree ui-sortableTree-disabled")
+ .removeData("sortableTree")
+ .unbind(".sortableTree");
+ this.mouseDestroy();
+
+ for ( var i = this.items.length - 1; i >= 0; i-- )
+ this.items[i].item.removeData("sortableTree-item");
+
+ },
+ contactContainers: function(e) {
+ for (var i = this.containers.length - 1; i >= 0; i--){
+
+ if(this.intersectsWith(this.containers[i].containerCache)) {
+ if(!this.containers[i].containerCache.over) {
+
+ if(this.currentContainer != this.containers[i]) {
+
+ //When entering a new container, we will find the item with the least distance and append our item near it
+ var dist = 10000; var itemWithLeastDistance = null; var base = this.position.absolute.top;
+ for (var j = this.items.length - 1; j >= 0; j--) {
+ if(!this.containers[i].element[0].contains(this.items[j].item[0])) continue;
+ var cur = this.items[j].top;
+ if(Math.abs(cur - base) < dist) {
+ dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
+ }
+ }
+
+ itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance) : this.rearrange(e, null, this.containers[i].element);
+ this.propagate("change", e); //Call plugins and callbacks
+ this.containers[i].propagate("change", e, this); //Call plugins and callbacks
+ this.currentContainer = this.containers[i];
+
+ }
+
+ this.containers[i].propagate("over", e, this);
+ this.containers[i].containerCache.over = 1;
+ }
+ } else {
+ if(this.containers[i].containerCache.over) {
+ this.containers[i].propagate("out", e, this);
+ this.containers[i].containerCache.over = 0;
+ }
+ }
+
+ };
+ },
+ mouseStart: function(e,el) {
+
+ if(this.options.disabled || this.options.type == 'static') return false;
+
+ //Find out if the clicked node (or one of its parents) is a actual item in this.items
+ var currentItem = null, nodes = $(e.target).parents().each(function() {
+ if($.data(this, 'sortableTree-item')) {
+ currentItem = $(this);
+ return false;
+ }
+ });
+ if($.data(e.target, 'sortableTree-item')) currentItem = $(e.target);
+
+ if(!currentItem) return false;
+ if(this.options.handle) {
+ var validHandle = false;
+ $(this.options.handle, currentItem).each(function() { if(this == e.target) validHandle = true; });
+ if(!validHandle) return false;
+ }
+
+ this.currentItem = currentItem;
+
+ var o = this.options;
+ this.currentContainer = this;
+ this.refresh();
+
+ //Create and append the visible helper
+ this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone();
+ if(!this.helper.parents('body').length) this.helper.appendTo("body"); //Add the helper to the DOM if that didn't happen already
+ this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortableTree-helper'); //Position it absolutely and add a helper class
+
+ //Prepare variables for position generation
+ $.extend(this, {
+ offsetParent: this.helper.offsetParent(),
+ offsets: { absolute: this.currentItem.offset() }
+ });
+
+ //Save the first time position
+ $.extend(this, {
+ position: {
+ current: { left: e.pageX, top: e.pageY },
+ absolute: { left: e.pageX, top: e.pageY },
+ dom: this.currentItem.prev()[0]
+ },
+ clickOffset: { left: -5, top: -5 }
+ });
+
+ this.propagate("start", e); //Call plugins and callbacks
+ this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() }; //Save and store the helper proportions
+
+ for (var i = this.containers.length - 1; i >= 0; i--) {
+ this.containers[i].propagate("activate", e, this);
+ } //Post 'activate' events to possible containers
+
+ //Prepare possible droppables
+ if($.ui.ddmanager) $.ui.ddmanager.current = this;
+ if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
+
+ this.dragging = true;
+ return true;
+
+ },
+ mouseStop: function(e) {
+
+ if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt); //remove sort indicator
+ this.propagate("stop", e); //Call plugins and trigger callbacks
+
+ //If we are using droppables, inform the manager about the drop
+ var dropped = ($.ui.ddmanager && !this.options.dropBehaviour) ? $.ui.ddmanager.drop(this, e) : false;
+ if(!dropped && this.newPositionAt) this.newPositionAt[this.direction == 'down' ? 'before' : 'after'](this.currentItem); //Append to element to its new position
+
+ if(this.position.dom != this.currentItem.prev()[0]) this.propagate("update", e); //Trigger update callback if the DOM position has changed
+ if(!this.element[0].contains(this.currentItem[0])) { //Node was moved out of the current element
+ this.propagate("remove", e);
+ for (var i = this.containers.length - 1; i >= 0; i--){
+ if(this.containers[i].element[0].contains(this.currentItem[0])) {
+ this.containers[i].propagate("update", e, this);
+ this.containers[i].propagate("receive", e, this);
+ }
+ };
+ };
+
+ //Post events to containers
+ for (var i = this.containers.length - 1; i >= 0; i--){
+ this.containers[i].propagate("deactivate", e, this);
+ if(this.containers[i].containerCache.over) {
+ this.containers[i].propagate("out", e, this);
+ this.containers[i].containerCache.over = 0;
+ }
+ }
+
+ this.dragging = false;
+ if(this.cancelHelperRemoval) return false;
+ this.helper.remove();
+
+ return false;
+
+ },
+ mouseDrag: function(e) {
+
+ //Compute the helpers position
+ this.position.current = { top: e.pageY + 5, left: e.pageX + 5 };
+ this.position.absolute = { left: e.pageX + 5, top: e.pageY + 5 };
+
+ //Interconnect with droppables
+ if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
+ var intersectsWithDroppable = false;
+ $.each($.ui.ddmanager.droppables, function() {
+ if(this.isover) intersectsWithDroppable = true;
+ });
+
+ //Rearrange
+ if(intersectsWithDroppable) {
+ if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt);
+ } else {
+ for (var i = this.items.length - 1; i >= 0; i--) {
+
+ if(this.currentItem[0].contains(this.items[i].item[0])) continue;
+
+ var intersection = this.intersectsWithEdge(this.items[i]);
+ if(!intersection) continue;
+
+ this.direction = intersection == 1 ? "down" : "up";
+ this.rearrange(e, this.items[i]);
+ this.propagate("change", e); //Call plugins and callbacks
+ break;
+ }
+ }
+
+ //Post events to containers
+ this.contactContainers(e);
+
+ this.propagate("sort", e); //Call plugins and callbacks
+ this.helper.css({ left: this.position.current.left+'px', top: this.position.current.top+'px' }); // Stick the helper to the cursor
+ return false;
+
+ },
+ rearrange: function(e, i, a) {
+ if(i) {
+ if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt);
+ this.newPositionAt = i.item;
+ this.options.sortIndication[this.direction].call(this.currentItem, this.newPositionAt);
+ } else {
+ //Append
+ }
+ }
+ }));
+
+ $.extend($.ui.sortableTree, {
+ defaults: {
+ items: '> *',
+ zIndex: 1000,
+ distance: 1
+ },
+ getter: "serialize toArray"
+ });
+
+
+
+})(jQuery);
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