mirror of
https://github.com/wisemapping/wisemapping-open-source.git
synced 2025-04-04 19:34:30 +08:00
66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
/*
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* Copyright [2012] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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mindplot.layout.GridSorter = new Class({
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Extends: mindplot.layout.AbstractBasicSorter,
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computeOffsets: function(treeSet, node) {
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$assert(treeSet, "treeSet can no be null.");
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$assert(node, "node can no be null.");
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$assert("order can no be null.");
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var children = this._getSortedChildren(treeSet, node);
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// Compute heights ...
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var heights = children.map(function(child) {
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return {id:child.getId(),height:this._computeChildrenHeight(treeSet, child)};
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}.bind(this));
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// Calculate the offsets ...
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var result = {};
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for (var i = 0; i < heights.length; i++) {
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var even = i%2 == 0 ? 1 : -1;
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var zeroHeight = i == 0 ? 0 : heights[0].height/2 * even;
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var middleHeight = 0;
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for (var j=i-2; j>0; j=j-2) {
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middleHeight += heights[j].height * even;
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}
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var finalHeight = i == 0 ? 0 : heights[i].height/2 * even;
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var yOffset = zeroHeight + middleHeight +finalHeight;
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var xOffset = node.getSize().width + mindplot.layout.GridSorter.GRID_HORIZONTAR_SIZE;
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$assert(!isNaN(xOffset), "xOffset can not be null");
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$assert(!isNaN(yOffset), "yOffset can not be null");
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result[heights[i].id] = {x:xOffset,y:yOffset};
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}
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return result;
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},
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toString:function() {
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return "Grid Sorter";
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}
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});
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mindplot.layout.GridSorter.GRID_HORIZONTAR_SIZE = 20;
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mindplot.layout.GridSorter.INTER_NODE_VERTICAL_DISTANCE = 50;
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