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@ -14791,7 +14791,7 @@ BI.Widget = BI.inherit(BI.OB, {
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__d: function () { |
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this.beforeDestroy && this.beforeDestroy(); |
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BI.each(this._children, function (i, widget) { |
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widget._unMount && widget._unMount(); |
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widget && widget._unMount && widget._unMount(); |
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}); |
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this._children = {}; |
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this._parent = null; |
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@ -14814,7 +14814,7 @@ BI.Widget = BI.inherit(BI.OB, {
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empty: function () { |
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BI.each(this._children, function (i, widget) { |
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widget._unMount && widget._unMount(); |
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widget && widget._unMount && widget._unMount(); |
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}); |
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this._children = {}; |
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this.element.empty(); |
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@ -19883,33 +19883,167 @@ BI.Layout = BI.inherit(BI.Widget, {
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}) |
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}, |
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update: function (opt) { |
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var o = this.options; |
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var items = opt.items || []; |
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var updated, i, len; |
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for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) { |
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if (!this._compare(o.items[i], items[i])) { |
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updated = this.updateItemAt(i, items[i]) || updated; |
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patchItem: function (oldVnode, vnode, index) { |
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if (!this._compare(oldVnode, vnode)) { |
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return this.updateItemAt(index, vnode); |
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} |
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}, |
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updateChildren: function (oldCh, newCh) { |
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var self = this; |
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var oldStartIdx = 0, newStartIdx = 0; |
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var oldEndIdx = oldCh.length - 1; |
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var oldStartVnode = oldCh[0]; |
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var oldEndVnode = oldCh[oldEndIdx]; |
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var newEndIdx = newCh.length - 1; |
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var newStartVnode = newCh[0]; |
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var newEndVnode = newCh[newEndIdx]; |
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var oldKeyToIdx; |
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var idxInOld; |
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var elmToMove; |
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var before; |
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var updated; |
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var children = {}; |
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BI.each(oldCh, function (i, child) { |
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child = self._getOptions(child); |
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var key = child.key == null ? i : child.key; |
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if (BI.isKey(key)) { |
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children[key] = self._children[self._getChildName(i)]; |
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} |
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}); |
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while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) { |
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if (BI.isNull(oldStartVnode)) { |
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oldStartVnode = oldCh[++oldStartIdx]; |
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} else if (BI.isNull(oldEndVnode)) { |
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oldEndVnode = oldCh[--oldEndIdx]; |
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} else if (sameVnode(oldStartVnode, newStartVnode, oldStartIdx, newStartIdx)) { |
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updated = this.patchItem(oldStartVnode, newStartVnode, oldStartIdx) || updated; |
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oldStartVnode = oldCh[++oldStartIdx]; |
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newStartVnode = newCh[++newStartIdx]; |
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} else if (sameVnode(oldEndVnode, newEndVnode, oldEndIdx, newEndIdx)) { |
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updated = this.patchItem(oldEndVnode, newEndVnode, oldEndIdx) || updated; |
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oldEndVnode = oldCh[--oldEndIdx]; |
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newEndVnode = newCh[--newEndIdx]; |
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} else if (sameVnode(oldStartVnode, newEndVnode)) { |
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updated = this.patchItem(oldStartVnode, newEndVnode, oldStartIdx) || updated; |
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insertBefore(oldStartVnode, oldEndVnode, true); |
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oldStartVnode = oldCh[++oldStartIdx]; |
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newEndVnode = newCh[--newEndIdx]; |
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} else if (sameVnode(oldEndVnode, newStartVnode)) { |
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updated = this.patchItem(oldEndVnode, newStartVnode, oldEndIdx) || updated; |
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insertBefore(oldEndVnode, oldStartVnode); |
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oldEndVnode = oldCh[--oldEndIdx]; |
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newStartVnode = newCh[++newStartIdx]; |
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} else { |
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var node = addNode(newStartVnode); |
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insertBefore(node, oldStartVnode); |
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newStartVnode = newCh[++newStartIdx]; |
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} |
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} |
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if (oldStartIdx > oldEndIdx) { |
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before = BI.isNull(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm; |
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addVnodes(before, newCh, newStartIdx, newEndIdx); |
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} else if (newStartIdx > newEndIdx) { |
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removeVnodes(oldCh, oldStartIdx, oldEndIdx); |
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} |
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if (o.items.length > items.length) { |
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var deleted = []; |
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for (i = items.length; i < o.items.length; i++) { |
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deleted.push(this._children[this._getChildName(i)]); |
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delete this._children[this._getChildName(i)]; |
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this._children = {}; |
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BI.each(newCh, function (i, child) { |
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var node = self._getOptions(child); |
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var key = node.key == null ? i : node.key; |
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self._children[self._getChildName(i)] = children[key]; |
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}); |
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function sameVnode(vnode1, vnode2, oldIndex, newIndex) { |
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vnode1 = self._getOptions(vnode1); |
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vnode2 = self._getOptions(vnode2); |
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if (BI.isKey(vnode1.key)) { |
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return vnode1.key === vnode2.key; |
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} |
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o.items.splice(items.length); |
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BI.each(deleted, function (i, w) { |
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w._destroy(); |
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}) |
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} else if (items.length > o.items.length) { |
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for (i = o.items.length; i < items.length; i++) { |
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this.addItemAt(i, items[i]); |
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if (oldIndex >= 0) { |
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return oldIndex === newIndex |
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} |
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} |
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function addNode(vnode, index) { |
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var opt = self._getOptions(vnode); |
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var key = opt.key == null ? i : opt.key; |
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return children[key] = self._addElement(key, vnode); |
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} |
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function addVnodes(before, vnodes, startIdx, endIdx) { |
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for (; startIdx <= endIdx; ++startIdx) { |
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var node = addNode(vnodes[startIdx], startIdx); |
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insertBefore(node, before); |
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} |
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} |
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function removeVnodes(vnodes, startIdx, endIdx) { |
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for (; startIdx <= endIdx; ++startIdx) { |
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var node = self._getOptions(vnodes[startIdx]); |
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var key = node.key == null ? startIdx : node.key; |
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children[key]._destroy(); |
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} |
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} |
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function insertBefore(insert, before, isNext) { |
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insert = self._getOptions(insert); |
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before = before && self._getOptions(before); |
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if (BI.isKey(insert.key)) { |
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if (before && children[before.key]) { |
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var next; |
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if (isNext) { |
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next = children[before.key].element.next(); |
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} else { |
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next = children[before.key].element; |
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} |
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if (next.length > 0) { |
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next.before(children[insert.key].element); |
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} else { |
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self._getWrapper().append(children[insert.key].element); |
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} |
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} else { |
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self._getWrapper().append(children[insert.key].element); |
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} |
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} else { |
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throw "key is not defined"; |
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} |
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} |
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return updated; |
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}, |
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update: function (opt) { |
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var o = this.options; |
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var items = opt.items || []; |
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var updated = this.updateChildren(o.items, items); |
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this.options.items = items; |
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return updated; |
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// var updated, i, len;
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// for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
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// if (!this._compare(o.items[i], items[i])) {
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// updated = this.updateItemAt(i, items[i]) || updated;
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// }
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// }
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// if (o.items.length > items.length) {
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// var deleted = [];
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// for (i = items.length; i < o.items.length; i++) {
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// deleted.push(this._children[this._getChildName(i)]);
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// delete this._children[this._getChildName(i)];
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// }
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// o.items.splice(items.length);
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// BI.each(deleted, function (i, w) {
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// w._destroy();
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// })
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// } else if (items.length > o.items.length) {
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// for (i = o.items.length; i < items.length; i++) {
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// this.addItemAt(i, items[i]);
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// }
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// }
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// return updated;
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}, |
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stroke: function (items) { |
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var self = this; |
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BI.each(items, function (i, item) { |
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