721 行
22 KiB
JavaScript
721 行
22 KiB
JavaScript
// Copyright 2011 David Galles, University of San Francisco. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of the University of San Francisco
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// TODO: UNDO (all the way) is BROKEN. Redo reset ...
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function Graph(am, w, h, dir, dag)
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{
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if (am == undefined)
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{
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return;
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}
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this.init(am, w, h, dir,dag);
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}
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Graph.prototype = new Algorithm();
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Graph.prototype.constructor = Graph;
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Graph.superclass = Algorithm.prototype;
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var LARGE_ALLOWED = [[false, true, true, false, true, false, false, true, false, false, false, false, false, false, true, false, false, false],
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[true, false, true, false, true, true, false, false, false, false, false, false, false, false, false, false, false, false],
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[true, true, false, true, false, true, true, false, false, false, false, false, false, false, false, false, false, false],
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[false, false, true, false, false,false, true, false, false, false, true, false, false, false, false, false, false, true],
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[true, true, false, false, false, true, false, true, true, false, false, false, false, false, false, false, false, false],
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[false, true, true, false, true, false, true, false, true, true, false, false, false, false, false, false, false, false],
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[false, false, true, true, false, true, false, false, false, true, true, false, false, false, false, false, false, false],
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[true, false, false, false, true, false, false, false, true, false, false, true, false, false, true, false, false, false],
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[false, false, false, false, true, true, false, true, false, true, false, true, true, false, false, false, false, false],
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[false, false, false, false, false, true, true, false, true, false, true, false, true, true, false, false, false, false],
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[false, false, false, true, false, false, true, false, false, true, false, false, false, true, false, false, false, true],
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[false, false, false, false, false, false, false, true, true, false, false, false, true, false, true, true, false, false],
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[false, false, false, false, false, false, false, false, true, true, false, true, false, true, false, true, true, false],
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[false, false, false, false, false, false, false, false, false, true, true, false, true, false, false, false, true, true],
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[false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, true, false, false],
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[false, false, false, false, false, false, false, false, false, false, false, true, true, false, true, false, true, true],
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[false, false, false, false, false, false, false, false, false, false, false, false, true, true, false, true, false, true],
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[false, false, false, false, false, false, false, false, false, false, true, false, false, true, false, true, true, false]];
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var LARGE_CURVE = [[0, 0, -0.4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.25, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0.4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -0.25],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[-0.25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.4],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0.25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -0.4, 0, 0]]
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var LARGE_X_POS_LOGICAL = [600, 700, 800, 900,
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650, 750, 850,
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600, 700, 800, 900,
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650, 750, 850,
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600, 700, 800, 900];
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var LARGE_Y_POS_LOGICAL = [50, 50, 50, 50,
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150, 150, 150,
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250, 250, 250, 250,
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350, 350, 350,
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450, 450, 450, 450];
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var SMALL_ALLLOWED = [[false, true, true, true, true, false, false, false],
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[true, false, true, true, false, true, true, false],
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[true, true, false, false, true, true, true, false],
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[true, true, false, false, false, true, false, true],
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[true, false, true, false, false, false, true, true],
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[false, true, true, true, false, false, true, true],
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[false, true, true, false, true, true, false, true],
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[false, false, false, true, true, true, true, false]];
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var SMALL_CURVE = [[0, 0.001, 0, 0.5, -0.5, 0, 0, 0],
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[0, 0, 0, 0.001, 0, 0.001, -0.2, 0],
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[0, 0.001, 0, 0, 0, 0.2, 0, 0],
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[-0.5, 0, 0, 0, 0, 0.001, 0, 0.5],
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[0.5, 0, 0, 0, 0, 0, 0, -0.5],
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[0, 0, -0.2, 0, 0, 0, 0.001, 0.001],
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[0, 0.2, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, -0.5, 0.5, 0, 0, 0]]
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var SMALL_X_POS_LOGICAL = [800, 725, 875, 650, 950, 725, 875, 800];
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var SMALL_Y_POS_LOGICAL = [25, 125, 125, 225, 225, 325, 325, 425];
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var SMALL_ADJ_MATRIX_X_START = 700;
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var SMALL_ADJ_MATRIX_Y_START = 40;
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var SMALL_ADJ_MATRIX_WIDTH = 30;
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var SMALL_ADJ_MATRIX_HEIGHT = 30;
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var SMALL_ADJ_LIST_X_START = 600;
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var SMALL_ADJ_LIST_Y_START = 30;
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var SMALL_ADJ_LIST_ELEM_WIDTH = 50;
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var SMALL_ADJ_LIST_ELEM_HEIGHT = 30;
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var SMALL_ADJ_LIST_HEIGHT = 36;
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var SMALL_ADJ_LIST_WIDTH = 36;
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var SMALL_ADJ_LIST_SPACING = 10;
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var LARGE_ADJ_MATRIX_X_START = 575;
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var LARGE_ADJ_MATRIX_Y_START = 30;
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var LARGE_ADJ_MATRIX_WIDTH = 23;
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var LARGE_ADJ_MATRIX_HEIGHT = 23;
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var LARGE_ADJ_LIST_X_START = 600;
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var LARGE_ADJ_LIST_Y_START = 30;
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var LARGE_ADJ_LIST_ELEM_WIDTH = 50;
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var LARGE_ADJ_LIST_ELEM_HEIGHT = 26;
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var LARGE_ADJ_LIST_HEIGHT = 30;
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var LARGE_ADJ_LIST_WIDTH = 30;
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var LARGE_ADJ_LIST_SPACING = 10;
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var VERTEX_INDEX_COLOR ="#0000FF";
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var EDGE_COLOR = "#000000";
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var SMALL_SIZE = 8;
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var LARGE_SIZE = 18;
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var HIGHLIGHT_COLOR = "#0000FF";
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Graph.prototype.init = function(am, w, h, directed, dag)
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{
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directed = (directed == undefined) ? true : directed;
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dag = (dag == undefined) ? false : dag;
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Graph.superclass.init.call(this, am, w, h);
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this.nextIndex = 0;
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this.currentLayer = 1;
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this.isDAG = dag;
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this.directed = directed;
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this.currentLayer = 1;
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this.addControls();
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this.setup_small();
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}
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Graph.prototype.addControls = function(addDirection)
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{
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if (addDirection == undefined)
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{
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addDirection = true;
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}
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this.newGraphButton = addControlToAlgorithmBar("Button", "New Graph");
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this.newGraphButton.onclick = this.newGraphCallback.bind(this);
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if (addDirection)
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{
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var radioButtonList = addRadioButtonGroupToAlgorithmBar(["Directed Graph", "Undirected Graph"], "GraphType");
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this.directedGraphButton = radioButtonList[0];
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this.directedGraphButton.onclick = this.directedGraphCallback.bind(this, true);
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this.undirectedGraphButton = radioButtonList[1];
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this.undirectedGraphButton.onclick = this.directedGraphCallback.bind(this, false);
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this.directedGraphButton.checked = this.directed;
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this.undirectedGraphButton.checked = !this.directed;
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}
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var radioButtonList = addRadioButtonGroupToAlgorithmBar(["Small Graph", "Large Graph"], "GraphSize");
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this.smallGraphButton = radioButtonList[0];
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this.smallGraphButton.onclick = this.smallGraphCallback.bind(this);
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this.largeGraphButton = radioButtonList[1];
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this.largeGraphButton.onclick = this.largeGraphCallback.bind(this);
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this.smallGraphButton.checked = true;
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var radioButtonList = addRadioButtonGroupToAlgorithmBar(["Logical Representation",
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"Adjacency List Representation",
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"Adjacency Matrix Representation"
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],
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"GraphRepresentation");
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this.logicalButton = radioButtonList[0];
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this.logicalButton.onclick = this.graphRepChangedCallback.bind(this,1);
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this.adjacencyListButton = radioButtonList[1];
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this.adjacencyListButton.onclick = this.graphRepChangedCallback.bind(this,2);
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this.adjacencyMatrixButton = radioButtonList[2];
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this.adjacencyMatrixButton.onclick = this.graphRepChangedCallback.bind(this,3);
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this.logicalButton.checked = true;
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}
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Graph.prototype.directedGraphCallback = function (newDirected, event)
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{
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if (newDirected != this.directed)
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{
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this.directed =newDirected;
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this.animationManager.resetAll();
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this.setup();
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}
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}
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Graph.prototype.smallGraphCallback = function (event)
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{
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if (this.size != SMALL_SIZE)
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{
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this.animationManager.resetAll();
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this.setup_small();
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}
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}
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Graph.prototype.largeGraphCallback = function (event)
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{
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if (this.size != LARGE_SIZE)
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{
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this.animationManager.resetAll();
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this.setup_large();
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}
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}
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Graph.prototype.newGraphCallback = function(event)
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{
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this.animationManager.resetAll();
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this.setup();
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}
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Graph.prototype.graphRepChangedCallback = function(newLayer, event)
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{
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this.animationManager.setAllLayers([0,newLayer]);
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this.currentLayer = newLayer;
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}
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Graph.prototype.recolorGraph = function()
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{
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for (var i = 0; i < this.size; i++)
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{
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for (var j = 0; j < this.size; j++)
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{
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if (this.adj_matrix[i][j] >= 0)
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{
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this.setEdgeColor(i, j, EDGE_COLOR);
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}
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}
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}
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}
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Graph.prototype.highlightEdge = function(i,j, highlightVal)
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{
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this.cmd("SetHighlight", this.adj_list_edges[i][j], highlightVal);
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this.cmd("SetHighlight", this.adj_matrixID[i][j], highlightVal);
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this.cmd("SetEdgeHighlight", this.circleID[i], this.circleID[j], highlightVal);
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if (!this.directed)
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{
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this.cmd("SetEdgeHighlight", this.circleID[j], this.circleID[i], highlightVal);
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}
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}
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Graph.prototype.setEdgeColor = function(i,j, color)
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{
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this.cmd("SetForegroundColor", this.adj_list_edges[i][j], color);
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this.cmd("SetTextColor", this.adj_matrixID[i][j], color);
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this.cmd("SetEdgeColor", this.circleID[i], this.circleID[j], color);
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if (!this.directed)
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{
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this.cmd("SetEdgeColor", this.circleID[j], this.circleID[i], color);
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}
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}
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Graph.prototype.clearEdges = function()
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{
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for (var i = 0; i < this.size; i++)
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{
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for (var j = 0; j < this.size; j++)
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{
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if (this.adj_matrix[i][j] >= 0)
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{
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this.cmd("Disconnect", this.circleID[i], this.circleID[j]);
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}
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}
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}
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}
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Graph.prototype.rebuildEdges = function()
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{
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this.clearEdges();
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this.buildEdges();
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}
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Graph.prototype.buildEdges = function()
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{
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for (var i = 0; i < this.size; i++)
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{
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for (var j = 0; j < this.size; j++)
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{
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if (this.adj_matrix[i][j] >= 0)
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{
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var edgeLabel;
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if (this.showEdgeCosts)
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{
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edgeLabel = String(this.adj_matrix[i][j]);
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}
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else
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{
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edgeLabel = "";
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}
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if (this.directed)
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{
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this.cmd("Connect", this.circleID[i], this.circleID[j], EDGE_COLOR, this.adjustCurveForDirectedEdges(this.curve[i][j], this.adj_matrix[j][i] >= 0), 1, edgeLabel);
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}
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else if (i < j)
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{
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this.cmd("Connect", this.circleID[i], this.circleID[j], EDGE_COLOR, this.curve[i][j], 0, edgeLabel);
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}
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}
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}
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}
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}
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Graph.prototype.setup_small = function()
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{
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this.allowed = SMALL_ALLLOWED;
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this.curve = SMALL_CURVE;
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this. x_pos_logical = SMALL_X_POS_LOGICAL;
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this. y_pos_logical = SMALL_Y_POS_LOGICAL;
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this.adj_matrix_x_start = SMALL_ADJ_MATRIX_X_START;
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this.adj_matrix_y_start = SMALL_ADJ_MATRIX_Y_START;
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this.adj_matrix_width = SMALL_ADJ_MATRIX_WIDTH;
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this.adj_matrix_height = SMALL_ADJ_MATRIX_HEIGHT;
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this.adj_list_x_start = SMALL_ADJ_LIST_X_START;
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this.adj_list_y_start = SMALL_ADJ_LIST_Y_START;
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this.adj_list_elem_width = SMALL_ADJ_LIST_ELEM_WIDTH;
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this.adj_list_elem_height = SMALL_ADJ_LIST_ELEM_HEIGHT;
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this.adj_list_height = SMALL_ADJ_LIST_HEIGHT;
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this.adj_list_width = SMALL_ADJ_LIST_WIDTH;
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this.adj_list_spacing = SMALL_ADJ_LIST_SPACING;
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this.size = SMALL_SIZE;
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this.setup();
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}
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Graph.prototype.setup_large = function()
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{
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this.allowed = LARGE_ALLOWED;
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this.curve = LARGE_CURVE;
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this. x_pos_logical = LARGE_X_POS_LOGICAL;
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this. y_pos_logical = LARGE_Y_POS_LOGICAL;
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this.adj_matrix_x_start = LARGE_ADJ_MATRIX_X_START;
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this.adj_matrix_y_start = LARGE_ADJ_MATRIX_Y_START;
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this.adj_matrix_width = LARGE_ADJ_MATRIX_WIDTH;
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this.adj_matrix_height = LARGE_ADJ_MATRIX_HEIGHT;
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this.adj_list_x_start = LARGE_ADJ_LIST_X_START;
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this.adj_list_y_start = LARGE_ADJ_LIST_Y_START;
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this.adj_list_elem_width = LARGE_ADJ_LIST_ELEM_WIDTH;
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this.adj_list_elem_height = LARGE_ADJ_LIST_ELEM_HEIGHT;
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this.adj_list_height = LARGE_ADJ_LIST_HEIGHT;
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this.adj_list_width = LARGE_ADJ_LIST_WIDTH;
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this.adj_list_spacing = LARGE_ADJ_LIST_SPACING;
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this.size = LARGE_SIZE;
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this.setup();
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}
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Graph.prototype.adjustCurveForDirectedEdges = function(curve, bidirectional)
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{
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if (!bidirectional || Math.abs(curve) > 0.01)
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{
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return curve;
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}
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else
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{
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return 0.1;
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}
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}
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Graph.prototype.setup = function()
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{
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this.commands = new Array();
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this.circleID = new Array(this.size);
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for (var i = 0; i < this.size; i++)
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{
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this.circleID[i] = this.nextIndex++;
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this.cmd("CreateCircle", this.circleID[i], i, this. x_pos_logical[i], this. y_pos_logical[i]);
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this.cmd("SetTextColor", this.circleID[i], VERTEX_INDEX_COLOR, 0);
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this.cmd("SetLayer", this.circleID[i], 1);
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}
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|
|
|
this.adj_matrix = new Array(this.size);
|
|
this.adj_matrixID = new Array(this.size);
|
|
for (i = 0; i < this.size; i++)
|
|
{
|
|
this.adj_matrix[i] = new Array(this.size);
|
|
this.adj_matrixID[i] = new Array(this.size);
|
|
}
|
|
|
|
var edgePercent;
|
|
if (this.size == SMALL_SIZE)
|
|
{
|
|
if (this.directed)
|
|
{
|
|
edgePercent = 0.4;
|
|
}
|
|
else
|
|
{
|
|
edgePercent = 0.5;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
if (this.directed)
|
|
{
|
|
edgePercent = 0.35;
|
|
}
|
|
else
|
|
{
|
|
edgePercent = 0.6;
|
|
}
|
|
|
|
}
|
|
|
|
var lowerBound = 0;
|
|
|
|
if (this.directed)
|
|
{
|
|
for (i = 0; i < this.size; i++)
|
|
{
|
|
for (var j = 0; j < this.size; j++)
|
|
{
|
|
this.adj_matrixID[i][j] = this.nextIndex++;
|
|
if ((this.allowed[i][j]) && Math.random() <= edgePercent && (i < j || Math.abs(this.curve[i][j]) < 0.01 || this.adj_matrixID[j][i] == -1) && (!this.isDAG || (i < j)))
|
|
{
|
|
if (this.showEdgeCosts)
|
|
{
|
|
this.adj_matrix[i][j] = Math.floor(Math.random()* 9) + 1;
|
|
}
|
|
else
|
|
{
|
|
this.adj_matrix[i][j] = 1;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
this.adj_matrix[i][j] = -1;
|
|
}
|
|
|
|
}
|
|
}
|
|
this.buildEdges();
|
|
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < this.size; i++)
|
|
{
|
|
for (j = i+1; j < this.size; j++)
|
|
{
|
|
|
|
this.adj_matrixID[i][j] = this.nextIndex++;
|
|
this.adj_matrixID[j][i] = this.nextIndex++;
|
|
|
|
if ((this.allowed[i][j]) && Math.random() <= edgePercent)
|
|
{
|
|
if (this.showEdgeCosts)
|
|
{
|
|
this.adj_matrix[i][j] = Math.floor(Math.random()* 9) + 1;
|
|
}
|
|
else
|
|
{
|
|
this.adj_matrix[i][j] = 1;
|
|
}
|
|
this.adj_matrix[j][i] = this.adj_matrix[i][j];
|
|
if (this.showEdgeCosts)
|
|
{
|
|
var edgeLabel = String(this.adj_matrix[i][j]);
|
|
}
|
|
else
|
|
{
|
|
edgeLabel = "";
|
|
}
|
|
this.cmd("Connect", this.circleID[i], this.circleID[j], EDGE_COLOR, this.curve[i][j], 0, edgeLabel);
|
|
}
|
|
else
|
|
{
|
|
this.adj_matrix[i][j] = -1;
|
|
this.adj_matrix[j][i] = -1;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
this.buildEdges();
|
|
|
|
|
|
for (i=0; i < this.size; i++)
|
|
{
|
|
this.adj_matrix[i][i] = -1;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// Craate Adj List
|
|
|
|
|
|
this.buildAdjList();
|
|
|
|
|
|
// Create Adj Matrix
|
|
|
|
this.buildAdjMatrix();
|
|
|
|
|
|
this.animationManager.setAllLayers([0, this.currentLayer]);
|
|
this.animationManager.StartNewAnimation(this.commands);
|
|
this.animationManager.skipForward();
|
|
this.animationManager.clearHistory();
|
|
this.clearHistory();
|
|
}
|
|
|
|
Graph.prototype.resetAll = function()
|
|
{
|
|
|
|
}
|
|
|
|
|
|
Graph.prototype.buildAdjMatrix = function()
|
|
{
|
|
|
|
this.adj_matrix_index_x = new Array(this.size);
|
|
this.adj_matrix_index_y = new Array(this.size);
|
|
for (var i = 0; i < this.size; i++)
|
|
{
|
|
this.adj_matrix_index_x[i] = this.nextIndex++;
|
|
this.adj_matrix_index_y[i] = this.nextIndex++;
|
|
this.cmd("CreateLabel", this.adj_matrix_index_x[i], i, this.adj_matrix_x_start + i*this.adj_matrix_width, this.adj_matrix_y_start - this.adj_matrix_height);
|
|
this.cmd("SetForegroundColor", this.adj_matrix_index_x[i], VERTEX_INDEX_COLOR);
|
|
this.cmd("CreateLabel", this.adj_matrix_index_y[i], i, this.adj_matrix_x_start - this.adj_matrix_width, this.adj_matrix_y_start + i* this.adj_matrix_height);
|
|
this.cmd("SetForegroundColor", this.adj_matrix_index_y[i], VERTEX_INDEX_COLOR);
|
|
this.cmd("SetLayer", this.adj_matrix_index_x[i], 3);
|
|
this.cmd("SetLayer", this.adj_matrix_index_y[i], 3);
|
|
|
|
for (var j = 0; j < this.size; j++)
|
|
{
|
|
this.adj_matrixID[i][j] = this.nextIndex++;
|
|
if (this.adj_matrix[i][j] < 0)
|
|
{
|
|
var lab = ""
|
|
}
|
|
else
|
|
{
|
|
lab = String(this.adj_matrix[i][j])
|
|
}
|
|
this.cmd("CreateRectangle", this.adj_matrixID[i][j], lab, this.adj_matrix_width, this.adj_matrix_height,
|
|
this.adj_matrix_x_start + j*this.adj_matrix_width,this.adj_matrix_y_start + i * this.adj_matrix_height);
|
|
this.cmd("SetLayer", this.adj_matrixID[i][j], 3);
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
Graph.prototype.removeAdjList = function()
|
|
{
|
|
for (var i = 0; i < this.size; i++)
|
|
{
|
|
this.cmd("Delete", this.adj_list_list[i], "RAL1");
|
|
this.cmd("Delete", this.adj_list_index[i], "RAL2");
|
|
for (var j = 0; j < this.size; j++)
|
|
{
|
|
if (this.adj_matrix[i][j] > 0)
|
|
{
|
|
this.cmd("Delete", this.adj_list_edges[i][j], "RAL3");
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
Graph.prototype.buildAdjList = function()
|
|
{
|
|
this.adj_list_index = new Array(this.size);
|
|
this.adj_list_list = new Array(this.size);
|
|
this.adj_list_edges = new Array(this.size);
|
|
|
|
for (var i = 0; i < this.size; i++)
|
|
{
|
|
this.adj_list_index[i] = this.nextIndex++;
|
|
this.adj_list_edges[i] = new Array(this.size);
|
|
this.adj_list_index[i] = this.nextIndex++;
|
|
this.adj_list_list[i] = this.nextIndex++;
|
|
this.cmd("CreateRectangle", this.adj_list_list[i], "", this.adj_list_width, this.adj_list_height, this.adj_list_x_start, this.adj_list_y_start + i*this.adj_list_height);
|
|
this.cmd("SetLayer", this.adj_list_list[i], 2);
|
|
this.cmd("CreateLabel", this.adj_list_index[i], i, this.adj_list_x_start - this.adj_list_width , this.adj_list_y_start + i*this.adj_list_height);
|
|
this.cmd("SetForegroundColor", this.adj_list_index[i], VERTEX_INDEX_COLOR);
|
|
this.cmd("SetLayer", this.adj_list_index[i], 2);
|
|
var lastElem = this.adj_list_list[i];
|
|
var nextXPos = this.adj_list_x_start + this.adj_list_width + this.adj_list_spacing;
|
|
var hasEdges = false;
|
|
for (var j = 0; j < this.size; j++)
|
|
{
|
|
if (this.adj_matrix[i][j] > 0)
|
|
{
|
|
hasEdges = true;
|
|
this.adj_list_edges[i][j] = this.nextIndex++;
|
|
this.cmd("CreateLinkedList",this.adj_list_edges[i][j], j,this.adj_list_elem_width, this.adj_list_elem_height,
|
|
nextXPos, this.adj_list_y_start + i*this.adj_list_height, 0.25, 0, 1, 2);
|
|
this.cmd("SetNull", this.adj_list_edges[i][j], 1);
|
|
this.cmd("SetText", this.adj_list_edges[i][j], this.adj_matrix[i][j], 1);
|
|
this.cmd("SetTextColor", this.adj_list_edges[i][j], VERTEX_INDEX_COLOR, 0);
|
|
this.cmd("SetLayer", this.adj_list_edges[i][j], 2);
|
|
|
|
nextXPos = nextXPos + this.adj_list_elem_width + this.adj_list_spacing;
|
|
this.cmd("Connect", lastElem, this.adj_list_edges[i][j]);
|
|
this.cmd("SetNull", lastElem, 0);
|
|
lastElem = this.adj_list_edges[i][j];
|
|
}
|
|
}
|
|
if (!hasEdges)
|
|
{
|
|
this.cmd("SetNull", this.adj_list_list[i], 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
// NEED TO OVERRIDE IN PARENT
|
|
Graph.prototype.reset = function()
|
|
{
|
|
// Throw an error?
|
|
}
|
|
|
|
|
|
Graph.prototype.disableUI = function(event)
|
|
{
|
|
this.newGraphButton.disabled = true;
|
|
if (this.directedGraphButton != null && this.directedGraphButton != undefined)
|
|
this.directedGraphButton.disabled = true;
|
|
if (this.undirectedGraphButton != null && this.undirectedGraphButton != undefined)
|
|
this.undirectedGraphButton.disabled = true;
|
|
this.smallGraphButton.disabled = true;
|
|
this.largeGraphButton.disabled = true;
|
|
}
|
|
|
|
|
|
|
|
Graph.prototype.enableUI = function(event)
|
|
{
|
|
|
|
this.newGraphButton.disabled = false;
|
|
if (this.directedGraphButton != null && this.directedGraphButton != undefined)
|
|
this.directedGraphButton.disabled = false;
|
|
if (this.undirectedGraphButton != null && this.undirectedGraphButton != undefined)
|
|
this.undirectedGraphButton.disabled = false;
|
|
this.smallGraphButton.disabled = false;
|
|
this.largeGraphButton.disabled = false;
|
|
}
|
|
|
|
|
|
|
|
/* no init, this is only a base class! */
|
|
var currentAlg;
|
|
function init()
|
|
{
|
|
var animManag = initCanvas();
|
|
currentAlg = new Graph(animManag, canvas.width, canvas.height);
|
|
}
|
|
|
|
|
|
|