460 行
20 KiB
JavaScript
460 行
20 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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function TopoSortIndegree(am, w, h)
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{
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this.init(am, w, h);
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}
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TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH = 25;
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TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT = 25;
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TopoSortIndegree.INDEGREE_ARRAY_START_X = 50;
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TopoSortIndegree.INDEGREE_ARRAY_START_Y = 60;
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TopoSortIndegree.STACK_START_X = TopoSortIndegree.INDEGREE_ARRAY_START_X + 100;
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TopoSortIndegree.STACK_START_Y = TopoSortIndegree.INDEGREE_ARRAY_START_Y;
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TopoSortIndegree.STACK_HEIGHT = TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT;
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TopoSortIndegree.TOPO_ARRAY_START_X = TopoSortIndegree.STACK_START_X + 150;
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TopoSortIndegree.TOPO_ARRAY_START_Y = TopoSortIndegree.INDEGREE_ARRAY_START_Y;
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TopoSortIndegree.TOPO_HEIGHT = TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT;
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TopoSortIndegree.MESSAGE_LABEL_1_X = 70;
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TopoSortIndegree.MESSAGE_LABEL_1_Y = 10;
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TopoSortIndegree.MESSAGE_LABEL_2_X = 70;
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TopoSortIndegree.MESSAGE_LABEL_2_Y = 40;
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TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR = "#000000";
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TopoSortIndegree.MESSAGE_COLOR = "#0000FF";
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TopoSortIndegree.prototype = new Graph();
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TopoSortIndegree.prototype.constructor = TopoSortIndegree;
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TopoSortIndegree.superclass = Graph.prototype;
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TopoSortIndegree.prototype.addControls = function()
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{
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this.startButton = addControlToAlgorithmBar("Button", "Do Topological Sort");
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this.startButton.onclick = this.startCallback.bind(this);
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TopoSortIndegree.superclass.addControls.call(this, false);
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}
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TopoSortIndegree.prototype.init = function(am, w, h)
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{
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this.showEdgeCosts = false;
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TopoSortIndegree.superclass.init.call(this, am, w, h, true, true); // TODO: add no edge label flag to this?
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// Setup called in base class init function
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}
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TopoSortIndegree.prototype.setup = function()
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{
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TopoSortIndegree.superclass.setup.call(this);
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this.messageID = new Array();
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this.animationManager.setAllLayers([0, this.currentLayer]);
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this.messageID = new Array();
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this.commands = new Array();
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this.indegreeID = new Array(this.size);
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this.setIndexID = new Array(this.size);
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this.indegree = new Array(this.size);
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this.orderID = 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.indegreeID[i] = this.nextIndex++;
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this.setIndexID[i] = this.nextIndex++;
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this.orderID[i] = this.nextIndex++;
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this.cmd("CreateLabel", this.orderID[i], "", 0, 0); // HACK!!
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this.cmd("CreateRectangle", this.indegreeID[i], " ", TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH, TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT, TopoSortIndegree.INDEGREE_ARRAY_START_X, TopoSortIndegree.INDEGREE_ARRAY_START_Y + i*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("CreateLabel", this.setIndexID[i], i, TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + i*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("SetForegroundColor", this.setIndexID[i], VERTEX_INDEX_COLOR);
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}
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this.cmd("CreateLabel", this.nextIndex++, "Indegree", TopoSortIndegree.INDEGREE_ARRAY_START_X - 1 * TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH, TopoSortIndegree.INDEGREE_ARRAY_START_Y - TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT * 1.5, 0);
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this.message1ID = this.nextIndex++;
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this.message2ID = this.nextIndex++;
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this.cmd("CreateLabel", this.message1ID, "", TopoSortIndegree.MESSAGE_LABEL_1_X, TopoSortIndegree.MESSAGE_LABEL_1_Y, 0);
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this.cmd("SetTextColor", this.message1ID, TopoSortIndegree.MESSAGE_COLOR);
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this.cmd("CreateLabel", this.message2ID, "", TopoSortIndegree.MESSAGE_LABEL_2_X, TopoSortIndegree.MESSAGE_LABEL_2_Y);
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this.cmd("SetTextColor", this.message2ID, TopoSortIndegree.MESSAGE_COLOR);
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this.stackLabelID = this.nextIndex++;
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this.topoLabelID = this.nextIndex++;
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this.cmd("CreateLabel", this.stackLabelID, "", TopoSortIndegree.STACK_START_X, TopoSortIndegree.STACK_START_Y - TopoSortIndegree.STACK_HEIGHT);
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this.cmd("CreateLabel", this.topoLabelID, "", TopoSortIndegree.TOPO_ARRAY_START_X, TopoSortIndegree.TOPO_ARRAY_START_Y - TopoSortIndegree.TOPO_HEIGHT);
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this.animationManager.StartNewAnimation(this.commands);
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this.animationManager.skipForward();
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this.animationManager.clearHistory();
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this.highlightCircleL = this.nextIndex++;
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this.highlightCircleAL = this.nextIndex++;
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this.highlightCircleAM= this.nextIndex++;
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this.initialIndex = this.nextIndex;
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}
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TopoSortIndegree.prototype.startCallback = function(event)
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{
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this.implementAction(this.doTopoSort.bind(this),"");
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}
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TopoSortIndegree.prototype.doTopoSort = function(ignored)
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{
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this.commands = new Array();
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var stack = new Array(this.size);
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var stackID = new Array(this.size);
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var stackTop = 0;
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var vertex;
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for (var vertex = 0; vertex < this.size; vertex++)
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{
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this.cmd("SetText", this.indegreeID[vertex], "0");
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this.indegree[vertex] = 0;
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stackID[vertex] = this.nextIndex++;
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this.cmd("Delete", this.orderID[vertex]);
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}
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this.cmd("SetText", this.message1ID, "Calculate this.indegree of all verticies by going through every edge of the graph");
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this.cmd("SetText", this.topoLabelID, "");
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this.cmd("SetText", this.stackLabelID, "");
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for (vertex = 0; vertex < this.size; vertex++)
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{
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var adjListIndex = 0;
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var neighbor;
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for (neighbor = 0; neighbor < this.size; neighbor++)
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if (this.adj_matrix[vertex][neighbor] >= 0)
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{
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adjListIndex++;
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this.highlightEdge(vertex, neighbor, 1);
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this.cmd("Step");
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this.cmd("CreateHighlightCircle", this.highlightCircleL, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR, this.x_pos_logical[neighbor], this.y_pos_logical[neighbor]);
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this.cmd("SetLayer", this.highlightCircleL, 1);
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this.cmd("CreateHighlightCircle", this.highlightCircleAL, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR,this.adj_list_x_start + adjListIndex * (this.adj_list_width + this.adj_list_spacing), this.adj_list_y_start + vertex*this.adj_list_height);
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this.cmd("SetLayer", this.highlightCircleAL, 2);
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this.cmd("CreateHighlightCircle", this.highlightCircleAM, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR,this.adj_matrix_x_start + neighbor * this.adj_matrix_width, this.adj_matrix_y_start - this.adj_matrix_height);
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this.cmd("SetLayer", this.highlightCircleAM, 3);
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this.cmd("Move", this.highlightCircleL,TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + neighbor*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", this.highlightCircleAL, TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + neighbor*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", this.highlightCircleAM,TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + neighbor*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Step");
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this.indegree[neighbor] = this.indegree[neighbor] + 1;
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this.cmd("SetText", this.indegreeID[neighbor], this.indegree[neighbor]);
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this.cmd("SetTextColor", this.indegreeID[neighbor], "#FF0000");
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this.cmd("Step");
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this.cmd("Delete", this.highlightCircleL);
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this.cmd("Delete", this.highlightCircleAL);
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this.cmd("Delete", this.highlightCircleAM);
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this.cmd("SetTextColor", this.indegreeID[neighbor], EDGE_COLOR);
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this.highlightEdge(vertex, neighbor, 0);
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}
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}
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this.cmd("SetText", this.message1ID, "Collect all vertices with 0 this.indegree onto a stack");
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this.cmd("SetText", this.stackLabelID, "Zero Indegree Vertices");
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for (vertex = 0; vertex < this.size; vertex++)
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{
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this.cmd("SetHighlight", this.indegreeID[vertex], 1);
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this.cmd("Step");
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if (this.indegree[vertex] == 0)
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{
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stack[stackTop] =vertex;
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this.cmd("CreateLabel", stackID[stackTop], vertex, TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH, TopoSortIndegree.INDEGREE_ARRAY_START_Y + vertex*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", stackID[stackTop], TopoSortIndegree.STACK_START_X, TopoSortIndegree.STACK_START_Y + stackTop * TopoSortIndegree.STACK_HEIGHT);
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this.cmd("Step")
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stackTop++;
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}
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this.cmd("SetHighlight", this.indegreeID[vertex], 0);
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}
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this.cmd("SetText", this.topoLabelID, "Topological Order");
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var nextInOrder = 0;
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while (stackTop > 0)
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{
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stackTop--;
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var nextElem = stack[stackTop];
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this.cmd("SetText", this.message1ID, "Pop off top vertex with this.indegree 0, add to topological sort");
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this.cmd("CreateLabel", this.orderID[nextInOrder], nextElem, TopoSortIndegree.STACK_START_X, TopoSortIndegree.STACK_START_Y + stackTop * TopoSortIndegree.STACK_HEIGHT);
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this.cmd("Delete", stackID[stackTop]);
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this.cmd("Step");
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this.cmd("Move", this.orderID[nextInOrder], TopoSortIndegree.TOPO_ARRAY_START_X, TopoSortIndegree.TOPO_ARRAY_START_Y + nextInOrder * TopoSortIndegree.TOPO_HEIGHT);
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this.cmd("Step");
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this.cmd("SetText", this.message1ID, "Find all neigbors of vertex " + String(nextElem) + ", decrease their this.indegree. If this.indegree becomes 0, add to stack");
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this.cmd("SetHighlight", this.circleID[nextElem], 1);
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this.cmd("Step")
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adjListIndex = 0;
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for (vertex = 0; vertex < this.size; vertex++)
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{
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if (this.adj_matrix[nextElem][vertex] >= 0)
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{
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adjListIndex++;
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this.highlightEdge(nextElem, vertex, 1);
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this.cmd("Step");
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this.cmd("CreateHighlightCircle", this.highlightCircleL, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR, this.x_pos_logical[vertex], this.y_pos_logical[vertex]);
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this.cmd("SetLayer", this.highlightCircleL, 1);
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this.cmd("CreateHighlightCircle", this.highlightCircleAL, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR,this.adj_list_x_start + adjListIndex * (this.adj_list_width + this.adj_list_spacing), this.adj_list_y_start + nextElem*this.adj_list_height);
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this.cmd("SetLayer", this.highlightCircleAL, 2);
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this.cmd("CreateHighlightCircle", this.highlightCircleAM, TopoSortIndegree.HIGHLIGHT_CIRCLE_COLOR,this.adj_matrix_x_start + vertex * this.adj_matrix_width, this.adj_matrix_y_start - this.adj_matrix_height);
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this.cmd("SetLayer", this.highlightCircleAM, 3);
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this.cmd("Move", this.highlightCircleL,TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + vertex*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", this.highlightCircleAL, TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + vertex*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", this.highlightCircleAM,TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH ,TopoSortIndegree.INDEGREE_ARRAY_START_Y + vertex*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Step");
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this.indegree[vertex] = this.indegree[vertex] - 1;
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this.cmd("SetText", this.indegreeID[vertex], this.indegree[vertex]);
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this.cmd("SetTextColor", this.indegreeID[vertex], "#FF0000");
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this.cmd("Step");
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if (this.indegree[vertex] == 0)
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{
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stack[stackTop] =vertex;
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this.cmd("CreateLabel", stackID[stackTop], vertex, TopoSortIndegree.INDEGREE_ARRAY_START_X - TopoSortIndegree.INDEGREE_ARRAY_ELEM_WIDTH, TopoSortIndegree.INDEGREE_ARRAY_START_Y + vertex*TopoSortIndegree.INDEGREE_ARRAY_ELEM_HEIGHT);
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this.cmd("Move", stackID[stackTop], TopoSortIndegree.STACK_START_X, TopoSortIndegree.STACK_START_Y + stackTop * TopoSortIndegree.STACK_HEIGHT);
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this.cmd("Step");
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stackTop++;
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}
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this.cmd("Delete", this.highlightCircleL);
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this.cmd("Delete", this.highlightCircleAL);
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this.cmd("Delete", this.highlightCircleAM);
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this.cmd("SetTextColor", this.indegreeID[vertex], EDGE_COLOR);
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this.highlightEdge(nextElem, vertex, 0);
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}
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}
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this.cmd("SetHighlight", this.circleID[nextElem], 0);
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nextInOrder++;
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}
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this.cmd("SetText", this.message1ID, "");
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this.cmd("SetText", this.stackLabelID, "");
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return this.commands
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}
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TopoSortIndegree.prototype.setup_large = function()
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{
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this.d_x_pos = TopoSortIndegree.D_X_POS_LARGE;
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this.d_y_pos = TopoSortIndegree.D_Y_POS_LARGE;
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this.f_x_pos = TopoSortIndegree.F_X_POS_LARGE;
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this.f_y_pos = TopoSortIndegree.F_Y_POS_LARGE;
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TopoSortIndegree.superclass.setup_large.call(this);
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}
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TopoSortIndegree.prototype.setup_small = function()
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{
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this.d_x_pos = TopoSortIndegree.D_X_POS_SMALL;
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this.d_y_pos = TopoSortIndegree.D_Y_POS_SMALL;
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this.f_x_pos = TopoSortIndegree.F_X_POS_SMALL;
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this.f_y_pos = TopoSortIndegree.F_Y_POS_SMALL;
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TopoSortIndegree.superclass.setup_small.call(this);
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}
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TopoSortIndegree.prototype.dfsVisit = function(startVertex, messageX, printCCNum)
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{
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var nextMessage = this.nextIndex++;
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this.messageID.push(nextMessage);
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this.cmd("CreateLabel",nextMessage, "DFS(" + String(startVertex) + ")", messageX, this.messageY, 0);
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this.messageY = this.messageY + 20;
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if (!this.visited[startVertex])
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{
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this.d_times[startVertex] = this.currentTime++;
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this.cmd("CreateLabel", this.d_timesID_L[startVertex], "d = " + String(this.d_times[startVertex]), this.d_x_pos[startVertex], this.d_y_pos[startVertex]);
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this.cmd("CreateLabel", this.d_timesID_AL[startVertex], "d = " + String(this.d_times[startVertex]), this.adj_list_x_start - 2*this.adj_list_width, this.adj_list_y_start + startVertex*this.adj_list_height - 1/4*this.adj_list_height);
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this.cmd("SetLayer", this.d_timesID_L[startVertex], 1);
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this.cmd("SetLayer", this.d_timesID_AL[startVertex], 2);
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this.visited[startVertex] = true;
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this.cmd("Step");
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for (var neighbor = 0; neighbor < this.size; neighbor++)
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{
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if (this.adj_matrix[startVertex][neighbor] > 0)
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{
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this.highlightEdge(startVertex, neighbor, 1);
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if (this.visited[neighbor])
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{
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nextMessage = this.nextIndex;
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this.cmd("CreateLabel", nextMessage, "Vertex " + String(neighbor) + " already this.visited.", messageX, this.messageY, 0);
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}
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this.cmd("Step");
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this.highlightEdge(startVertex, neighbor, 0);
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if (this.visited[neighbor])
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{
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this.cmd("Delete", nextMessage, "DNM");
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}
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if (!this.visited[neighbor])
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{
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this.cmd("Disconnect", this.circleID[startVertex], this.circleID[neighbor]);
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this.cmd("Connect", this.circleID[startVertex], this.circleID[neighbor], TopoSortIndegree.DFS_TREE_COLOR, this.curve[startVertex][neighbor], 1, "");
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this.cmd("Move", this.highlightCircleL, this.x_pos_logical[neighbor], this.y_pos_logical[neighbor]);
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this.cmd("Move", this.highlightCircleAL, this.adj_list_x_start - this.adj_list_width, this.adj_list_y_start + neighbor*this.adj_list_height);
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this.cmd("Move", this.highlightCircleAM, this.adj_matrix_x_start - this.adj_matrix_width, this.adj_matrix_y_start + neighbor*this.adj_matrix_height);
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this.cmd("Step");
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this.dfsVisit(neighbor, messageX + 10, printCCNum);
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nextMessage = this.nextIndex;
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this.cmd("CreateLabel", nextMessage, "Returning from recursive call: DFS(" + String(neighbor) + ")", messageX + 20, this.messageY, 0);
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this.cmd("Move", this.highlightCircleAL, this.adj_list_x_start - this.adj_list_width, this.adj_list_y_start + startVertex*this.adj_list_height);
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this.cmd("Move", this.highlightCircleL, this.x_pos_logical[startVertex], this.y_pos_logical[startVertex]);
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this.cmd("Move", this.highlightCircleAM, this.adj_matrix_x_start - this.adj_matrix_width, this.adj_matrix_y_start + startVertex*this.adj_matrix_height);
|
|
this.cmd("Step");
|
|
this.cmd("Delete", nextMessage, 18);
|
|
}
|
|
this.cmd("Step");
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
this.f_times[startVertex] = this.currentTime++;
|
|
this.cmd("CreateLabel", this.f_timesID_L[startVertex],"f = " + String(this.f_times[startVertex]), this.f_x_pos[startVertex], this.f_y_pos[startVertex]);
|
|
this.cmd("CreateLabel", this.f_timesID_AL[startVertex], "f = " + String(this.f_times[startVertex]), this.adj_list_x_start - 2*this.adj_list_width, this.adj_list_y_start + startVertex*this.adj_list_height + 1/4*this.adj_list_height);
|
|
|
|
this.cmd("SetLayer", this.f_timesID_L[startVertex], 1);
|
|
this.cmd("SetLayer", this.f_timesID_AL[startVertex], 2);
|
|
|
|
this.cmd("Step");
|
|
|
|
var i;
|
|
for (i = this.topoOrderArrayL.length; i > 0; i--)
|
|
{
|
|
this.topoOrderArrayL[i] = this.topoOrderArrayL[i-1];
|
|
this.topoOrderArrayAL[i] = this.topoOrderArrayAL[i-1];
|
|
this.topoOrderArrayAM[i] = this.topoOrderArrayAM[i-1];
|
|
}
|
|
|
|
var nextVertexLabel = this.nextIndex++;
|
|
this.messageID.push(nextVertexLabel);
|
|
this.cmd("CreateLabel", nextVertexLabel, startVertex, this.x_pos_logical[startVertex], this.y_pos_logical[startVertex]);
|
|
this.cmd("SetLayer", nextVertexLabel, 1);
|
|
this.topoOrderArrayL[0] = nextVertexLabel;
|
|
|
|
nextVertexLabel = this.nextIndex++;
|
|
this.messageID.push(nextVertexLabel);
|
|
this.cmd("CreateLabel", nextVertexLabel, startVertex,this.adj_list_x_start - this.adj_list_width, this.adj_list_y_start + startVertex*this.adj_list_height);
|
|
this.cmd("SetLayer", nextVertexLabel, 2);
|
|
this.topoOrderArrayAL[0] = nextVertexLabel;
|
|
|
|
nextVertexLabel = this.nextIndex++;
|
|
this.messageID.push(nextVertexLabel);
|
|
this.cmd("CreateLabel", nextVertexLabel, startVertex,this.adj_matrix_x_start - this.adj_matrix_width, this.adj_matrix_y_start + startVertex*this.adj_matrix_height);
|
|
this.cmd("SetLayer", nextVertexLabel, 3);
|
|
this.topoOrderArrayAM[0] = nextVertexLabel;
|
|
|
|
for (i = 0; i < this.topoOrderArrayL.length; i++)
|
|
{
|
|
this.cmd("Move", this.topoOrderArrayL[i], TopoSortIndegree.ORDERING_INITIAL_X,
|
|
TopoSortIndegree.ORDERING_INITIAL_Y + i * TopoSortIndegree.ORDERING_DELTA_Y);
|
|
this.cmd("Move", this.topoOrderArrayAL[i], TopoSortIndegree.ORDERING_INITIAL_X,
|
|
TopoSortIndegree.ORDERING_INITIAL_Y + i * TopoSortIndegree.ORDERING_DELTA_Y);
|
|
this.cmd("Move", this.topoOrderArrayAM[i], TopoSortIndegree.ORDERING_INITIAL_X,
|
|
TopoSortIndegree.ORDERING_INITIAL_Y + i * TopoSortIndegree.ORDERING_DELTA_Y);
|
|
|
|
}
|
|
this.cmd("Step");
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
TopoSortIndegree.prototype.reset = function()
|
|
{
|
|
this.nextIndex = this.oldNextIndex;
|
|
this.messageID = new Array();
|
|
this.nextIndex = this.initialIndex;
|
|
}
|
|
|
|
|
|
|
|
TopoSortIndegree.prototype.enableUI = function(event)
|
|
{
|
|
this.startButton.disabled = false;
|
|
|
|
TopoSortIndegree.superclass.enableUI.call(this,event);
|
|
}
|
|
TopoSortIndegree.prototype.disableUI = function(event)
|
|
{
|
|
|
|
this.startButton.disabled = true;
|
|
|
|
TopoSortIndegree.superclass.disableUI.call(this, event);
|
|
}
|
|
|
|
|
|
var currentAlg;
|
|
|
|
function init()
|
|
{
|
|
var animManag = initCanvas();
|
|
currentAlg = new TopoSortIndegree(animManag, canvas.width, canvas.height);
|
|
}
|