765 行
25 KiB
JavaScript
765 行
25 KiB
JavaScript
// Copyright 2011 David Galles, University of San Francisco. All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other materials
|
|
// provided with the distribution.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// The views and conclusions contained in the software and documentation are those of the
|
|
// authors and should not be interpreted as representing official policies, either expressed
|
|
// or implied, of the University of San Francisco
|
|
|
|
|
|
|
|
function DPMatrixMultiply(am, w, h)
|
|
{
|
|
this.init(am, w, h);
|
|
|
|
}
|
|
|
|
DPMatrixMultiply.prototype = new Algorithm();
|
|
DPMatrixMultiply.prototype.constructor = DPMatrixMultiply;
|
|
DPMatrixMultiply.superclass = Algorithm.prototype;
|
|
|
|
DPMatrixMultiply.TABLE_ELEM_WIDTH = 40;
|
|
DPMatrixMultiply.TABLE_ELEM_HEIGHT = 30;
|
|
|
|
DPMatrixMultiply.TABLE_START_X = 500;
|
|
DPMatrixMultiply.TABLE_START_Y = 80;
|
|
|
|
|
|
DPMatrixMultiply.TABLE_DIFF_X = 100;
|
|
|
|
DPMatrixMultiply.CODE_START_X = 10;
|
|
DPMatrixMultiply.CODE_START_Y = 10;
|
|
DPMatrixMultiply.CODE_LINE_HEIGHT = 14;
|
|
|
|
DPMatrixMultiply.RECURSIVE_START_X = 20;
|
|
DPMatrixMultiply.RECURSIVE_START_Y = 120;
|
|
DPMatrixMultiply.RECURSIVE_DELTA_Y = 14;
|
|
DPMatrixMultiply.RECURSIVE_DELTA_X = 15;
|
|
DPMatrixMultiply.CODE_HIGHLIGHT_COLOR = "#FF0000";
|
|
DPMatrixMultiply.CODE_STANDARD_COLOR = "#000000";
|
|
DPMatrixMultiply.MAX_SEQUENCE_LENGTH = 15;
|
|
|
|
DPMatrixMultiply.TABLE_INDEX_COLOR = "#0000FF"
|
|
DPMatrixMultiply.CODE_RECURSIVE_1_COLOR = "#339933";
|
|
DPMatrixMultiply.CODE_RECURSIVE_2_COLOR = "#0099FF";
|
|
|
|
|
|
|
|
DPMatrixMultiply.MAX_VALUE = 20;
|
|
|
|
DPMatrixMultiply.MESSAGE_ID = 0;
|
|
|
|
DPMatrixMultiply.prototype.init = function(am, w, h)
|
|
{
|
|
DPMatrixMultiply.superclass.init.call(this, am, w, h);
|
|
this.nextIndex = 0;
|
|
this.addControls();
|
|
this.code = [["def ","MatrixMultiply(x, y, P)",":"],
|
|
[" if (","(x >= y)", ")" ],
|
|
[" return 0"],
|
|
[" best = -1"],
|
|
[" for i in range(x, y)"],
|
|
[" left = ", "MatrixMultiply(x, i, P)"],
|
|
[" right = ", "MatrixMultiply(i+1, y, P)"],
|
|
[" total = left + right + P[x] * P[i+1] * P[y]"],
|
|
[" if (", "best == -1", " or ", "best > total", ")"],
|
|
[" best = total"],
|
|
[" return best"]];
|
|
|
|
this.codeID = Array(this.code.length);
|
|
var i, j;
|
|
for (i = 0; i < this.code.length; i++)
|
|
{
|
|
this.codeID[i] = new Array(this.code[i].length);
|
|
for (j = 0; j < this.code[i].length; j++)
|
|
{
|
|
this.codeID[i][j] = this.nextIndex++;
|
|
this.cmd("CreateLabel", this.codeID[i][j], this.code[i][j], DPMatrixMultiply.CODE_START_X, DPMatrixMultiply.CODE_START_Y + i * DPMatrixMultiply.CODE_LINE_HEIGHT, 0);
|
|
this.cmd("SetForegroundColor", this.codeID[i][j], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
if (j > 0)
|
|
{
|
|
this.cmd("AlignRight", this.codeID[i][j], this.codeID[i][j-1]);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
this.animationManager.StartNewAnimation(this.commands);
|
|
this.animationManager.skipForward();
|
|
this.animationManager.clearHistory();
|
|
this.initialIndex = this.nextIndex;
|
|
this.oldIDs = [];
|
|
this.commands = [];
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.addControls = function()
|
|
{
|
|
this.controls = [];
|
|
addLabelToAlgorithmBar("S1:");
|
|
this.S1Field = addControlToAlgorithmBar("Text", "");
|
|
this.S1Field.onkeydown = this.returnSubmit(this.S1Field, this.emptyCallback.bind(this), DPMatrixMultiply.MAX_SEQUENCE_LENGTH, false);
|
|
this.controls.push(this.S1Field);
|
|
|
|
addLabelToAlgorithmBar("S2:");
|
|
this.S2Field = addControlToAlgorithmBar("Text", "");
|
|
this.S2Field.onkeydown = this.returnSubmit(this.S2Field, this.emptyCallback.bind(this), DPMatrixMultiply.MAX_SEQUENCE_LENGTH, false);
|
|
this.controls.push(this.S2Field);
|
|
|
|
this.recursiveButton = addControlToAlgorithmBar("Button", "LCS Recursive");
|
|
this.recursiveButton.onclick = this.recursiveCallback.bind(this);
|
|
this.controls.push(this.recursiveButton);
|
|
|
|
this.tableButton = addControlToAlgorithmBar("Button", "LCS Table");
|
|
this.tableButton.onclick = this.tableCallback.bind(this);
|
|
this.controls.push(this.tableButton);
|
|
|
|
this.memoizedButton = addControlToAlgorithmBar("Button", "LCS Memoized");
|
|
this.memoizedButton.onclick = this.memoizedCallback.bind(this);
|
|
this.controls.push(this.memoizedButton);
|
|
|
|
}
|
|
|
|
|
|
|
|
DPMatrixMultiply.prototype.buildTable = function(S1, S2)
|
|
{
|
|
var x = S1.length;
|
|
var y = S2.length;
|
|
this.tableID = new Array(x+1);
|
|
this.tableVals = new Array(x + 1);
|
|
this.tableXPos = new Array(x + 1);
|
|
this.tableYPos = new Array(x + 1);
|
|
|
|
var i, j;
|
|
var sequence1ID = new Array(x);
|
|
var sequence2ID = new Array(y);
|
|
|
|
this.S1TableID = new Array(x);
|
|
for (i = 0; i <=x; i++)
|
|
{
|
|
if (i > 0)
|
|
{
|
|
this.S1TableID[i-1] = this.nextIndex++;
|
|
this.cmd("CreateLabel", this.S1TableID[i-1], S1.charAt(i-1),DPMatrixMultiply.TABLE_START_X + i*DPMatrixMultiply.TABLE_ELEM_WIDTH, DPMatrixMultiply.TABLE_START_Y - 2 * DPMatrixMultiply.TABLE_ELEM_HEIGHT);
|
|
this.oldIDs.push(this.S1TableID[i-1]);
|
|
}
|
|
var index = this.nextIndex++;
|
|
this.oldIDs.push(index);
|
|
this.cmd("CreateLabel", index, i - 1,DPMatrixMultiply.TABLE_START_X + i*DPMatrixMultiply.TABLE_ELEM_WIDTH, DPMatrixMultiply.TABLE_START_Y - 1 * DPMatrixMultiply.TABLE_ELEM_HEIGHT);
|
|
this.cmd("SetForegroundColor", index, "#0000FF");
|
|
|
|
}
|
|
|
|
|
|
this.S2TableID = new Array(y);
|
|
for (i = 0; i <=y; i++)
|
|
{
|
|
if (i > 0)
|
|
{
|
|
this.S2TableID[i-1] = this.nextIndex++;
|
|
this.cmd("CreateLabel", this.S2TableID[i-1], S2.charAt(i-1),DPMatrixMultiply.TABLE_START_X - 2 * DPMatrixMultiply.TABLE_ELEM_WIDTH, DPMatrixMultiply.TABLE_START_Y + i * DPMatrixMultiply.TABLE_ELEM_HEIGHT);
|
|
this.oldIDs.push(this.S2TableID[i-1]);
|
|
}
|
|
var index = this.nextIndex++;
|
|
this.oldIDs.push(index);
|
|
this.cmd("CreateLabel", index, i - 1, DPMatrixMultiply.TABLE_START_X - 1 * DPMatrixMultiply.TABLE_ELEM_WIDTH, DPMatrixMultiply.TABLE_START_Y + i * DPMatrixMultiply.TABLE_ELEM_HEIGHT);
|
|
this.cmd("SetForegroundColor", index, "#0000FF");
|
|
}
|
|
|
|
|
|
for (i = 0; i <= x; i++)
|
|
{
|
|
this.tableID[i] = new Array(y+1);
|
|
this.tableVals[i] =new Array(y+1);
|
|
this.tableXPos[i] = new Array(y+1);
|
|
this.tableYPos[i] = new Array(y+1);
|
|
|
|
for (j = 0; j <= y; j++)
|
|
{
|
|
this.tableID[i][j] = this.nextIndex++;
|
|
this.tableVals[i][j] = -1;
|
|
this.oldIDs.push(this.tableID[i][j]);
|
|
|
|
this.tableXPos[i][j] =DPMatrixMultiply.TABLE_START_X + i * DPMatrixMultiply.TABLE_ELEM_WIDTH;
|
|
this.tableYPos[i][j] = DPMatrixMultiply.TABLE_START_Y + j * DPMatrixMultiply.TABLE_ELEM_HEIGHT;
|
|
|
|
this.cmd("CreateRectangle", this.tableID[i][j],
|
|
"",
|
|
DPMatrixMultiply.TABLE_ELEM_WIDTH,
|
|
DPMatrixMultiply.TABLE_ELEM_HEIGHT,
|
|
this.tableXPos[i][j],
|
|
this.tableYPos[i][j]);
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
DPMatrixMultiply.prototype.clearOldIDs = function()
|
|
{
|
|
for (var i = 0; i < this.oldIDs.length; i++)
|
|
{
|
|
this.cmd("Delete", this.oldIDs[i]);
|
|
}
|
|
this.oldIDs =[];
|
|
this.nextIndex = this.initialIndex;
|
|
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.reset = function()
|
|
{
|
|
this.oldIDs =[];
|
|
this.nextIndex = this.initialIndex;
|
|
}
|
|
|
|
|
|
|
|
DPMatrixMultiply.prototype.emptyCallback = function(event)
|
|
{
|
|
this.implementAction(this.helpMessage.bind(this), "");
|
|
// TODO: Put up a message to push the appropriate button?
|
|
|
|
}
|
|
|
|
DPMatrixMultiply.prototype.recursiveCallback = function(event)
|
|
{
|
|
var fibValue;
|
|
|
|
if (this.S1Field.value != "" && this.S2Field.value != "" )
|
|
{
|
|
this.implementAction(this.recursiveLCS.bind(this),this.S1Field.value + ";" + this.S2Field.value);
|
|
}
|
|
else
|
|
{
|
|
this.implementAction(this.helpMessage.bind(this), "");
|
|
}
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.tableCallback = function(event)
|
|
{
|
|
var fibValue;
|
|
|
|
|
|
if (this.S1Field.value != "" && this.S2Field.value != "" )
|
|
{
|
|
this.implementAction(this.tableLCS.bind(this),this.S1Field.value + ";" + this.S2Field.value);
|
|
}
|
|
else
|
|
{
|
|
this.implementAction(this.helpMessage.bind(this), "");
|
|
}
|
|
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.memoizedCallback = function(event)
|
|
{
|
|
var fibValue;
|
|
|
|
|
|
if (this.S1Field.value != "" && this.S2Field.value != "" )
|
|
{
|
|
this.implementAction(this.memoizedLCS.bind(this), this.S1Field.value + ";" + this.S2Field.value);
|
|
}
|
|
else
|
|
{
|
|
this.implementAction(this.helpMessage.bind(this), "");
|
|
}
|
|
|
|
}
|
|
|
|
DPMatrixMultiply.prototype.helpMessage = function(value)
|
|
{
|
|
this.commands = [];
|
|
|
|
this.clearOldIDs();
|
|
|
|
var messageID = this.nextIndex++;
|
|
this.oldIDs.push(messageID);
|
|
this.cmd("CreateLabel", messageID,
|
|
"Enter two sequences in the text fields.\n" +
|
|
"Then press the LCS Recursive, LCS Table, or LCS Memoized button",
|
|
DPMatrixMultiply.RECURSIVE_START_X, DPMatrixMultiply.RECURSIVE_START_Y, 0);
|
|
return this.commands;
|
|
|
|
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.recursiveLCS = function(value)
|
|
{
|
|
this.commands = [];
|
|
|
|
var sequences=value.split(";");
|
|
|
|
|
|
|
|
this.clearOldIDs();
|
|
|
|
this.currentY = DPMatrixMultiply.RECURSIVE_START_Y;
|
|
|
|
var functionCallID = this.nextIndex++;
|
|
this.oldIDs.push(functionCallID);
|
|
var final = this.LCS(sequences[0], sequences[1], sequences[0].length - 1, sequences[1].length - 1, DPMatrixMultiply.RECURSIVE_START_X, functionCallID);
|
|
this.cmd("SetText", functionCallID, "LCS(" + sequences[0] + ", " + sequences[1] + ", " + String(sequences[0].length - 1) + ", " + String(sequences[1].length - 1) + ") = " + String(final));
|
|
return this.commands;
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.LCS = function(S1, S2, x, y, xPos, ID)
|
|
{
|
|
var ID2 = this.nextIndex++;
|
|
this.cmd("CreateLabel", ID, "LCS(" + S1 + ", " + S2 + ", " + String(x) + ", "+ String(y) + ")", xPos, this.currentY, 0);
|
|
this.cmd("CreateLabel", ID2, " [LCS(" + S1.substring(0,x + 1)+ "," + S2.substring(0,y + 1) + ")]");
|
|
this.cmd("SetForegroundColor", ID2, "#3333FF");
|
|
this.cmd("AlignRight", ID2, ID);
|
|
this.cmd("SetForegroundColor", this.codeID[0][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[0][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
if (x == -1 || y == -1)
|
|
{
|
|
if (x == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
|
|
}
|
|
if (y == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][3], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
|
|
}
|
|
this.cmd("Step");
|
|
if (x == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
}
|
|
if (y == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
}
|
|
this.cmd("SetForegroundColor", this.codeID[2][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetText", ID, 0);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[2][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
return 0;
|
|
}
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
if (S1.charAt(x) == S2.charAt(y))
|
|
{
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var nextID = this.nextIndex++;
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
var subProb = this.LCS(S1, S2, x-1, y-1, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, nextID);
|
|
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
|
|
this.cmd("Delete", nextID);
|
|
this.cmd("SetText", ID, subProb + 1);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("step");
|
|
this.currentY -= DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
return subProb + 1
|
|
}
|
|
else
|
|
{
|
|
var firstID = this.nextIndex++;
|
|
var secondID = this.nextIndex++;
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var subProb1 = this.LCS(S1, S2, x-1, y, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, firstID);
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var subProb2 = this.LCS(S1, S2, x, y-1, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, secondID);
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("Delete", firstID);
|
|
this.cmd("Delete", secondID);
|
|
this.currentY -= 2*DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
var best = Math.max(subProb1, subProb2);
|
|
this.cmd("SetText", ID, best);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("step");
|
|
return best;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
DPMatrixMultiply.prototype.tableLCS = function(value)
|
|
{
|
|
this.commands = [];
|
|
this.clearOldIDs();
|
|
|
|
var sequences=value.split(";");
|
|
|
|
this.buildTable(sequences[0], sequences[1]);
|
|
|
|
var moveID = this.nextIndex++;
|
|
var x = sequences[0].length;
|
|
var y = sequences[1].length;
|
|
var i, j;
|
|
|
|
for (i = 0; i <= x; i++)
|
|
{
|
|
this.cmd("SetText", this.tableID[i][0], "0");
|
|
this.tableVals[i][0] = 0;
|
|
}
|
|
for (i = 0; i <= y; i++)
|
|
{
|
|
this.cmd("SetText", this.tableID[0][i], "0");
|
|
this.tableVals[0][i] = 0;
|
|
}
|
|
this.cmd("Step");
|
|
for (j = 0; j < y; j++)
|
|
{
|
|
for (i = 0; i < x; i++)
|
|
{
|
|
this.cmd("SetHighlight", this.tableID[i+1][j+1], 1);
|
|
this.cmd("SetHighlight", this.S1TableID[i], 1);
|
|
this.cmd("SetHighlight", this.S2TableID[j], 1);
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step")
|
|
this.cmd("SetHighlight", this.S1TableID[i], 0);
|
|
this.cmd("SetHighlight", this.S2TableID[j], 0);
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
if (sequences[0].charAt(i) == sequences[1].charAt(j))
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.tableID[i+1-1][j+1-1], 1);
|
|
this.cmd("Step");
|
|
this.cmd("CreateLabel", moveID, this.tableVals[i][j] + 1, this.tableXPos[i][j], this.tableYPos[i][j]);
|
|
this.cmd("Move", moveID, this.tableXPos[i+1][j+1], this.tableYPos[i+1][j+1]);
|
|
this.cmd("Step");
|
|
this.cmd("Delete", moveID);
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.tableID[i+1-1][j+1-1], 0);
|
|
this.tableVals[i+1][j+1] = this.tableVals[i][j] + 1;
|
|
this.cmd("SetText", this.tableID[i+1][j+1], this.tableVals[i+1][j+1]);
|
|
}
|
|
else
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
|
|
this.cmd("SetHighlight", this.tableID[i][j+1], 1);
|
|
this.cmd("SetHighlight", this.tableID[i+1][j], 1);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
if (this.tableVals[i][j+1] > this.tableVals[i+1][j])
|
|
{
|
|
this.cmd("SetHighlight", this.tableID[i+1][j], 0);
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
this.tableVals[i+1][j+1] = this.tableVals[i][j+1];
|
|
this.cmd("CreateLabel", moveID, this.tableVals[i][j+1], this.tableXPos[i][j+1], this.tableYPos[i][j+1]);
|
|
|
|
}
|
|
else
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.tableID[i][j+1], 0);
|
|
this.tableVals[i+1][j+1] = this.tableVals[i+1][j];
|
|
this.cmd("CreateLabel", moveID, this.tableVals[i+1][j], this.tableXPos[i+1][j], this.tableYPos[i+1][j]);
|
|
}
|
|
this.cmd("Move", moveID, this.tableXPos[i+1][j+1], this.tableYPos[i+1][j+1]);
|
|
this.cmd("Step");
|
|
this.cmd("SetText", this.tableID[i+1][j+1], this.tableVals[i+1][j+1]);
|
|
this.cmd("Delete", moveID);
|
|
if (this.tableVals[i][j+1] > this.tableVals[i+1][j])
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.tableID[i][j+1], 0);
|
|
}
|
|
else
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.tableID[i+1][j], 0);
|
|
}
|
|
|
|
}
|
|
this.cmd("SetHighlight", this.tableID[i+1][j+1], 0);
|
|
//this.cmd("Step");
|
|
|
|
}
|
|
}
|
|
return this.commands;
|
|
}
|
|
|
|
|
|
|
|
DPMatrixMultiply.prototype.LCSMem = function(S1, S2, x, y, xPos, ID)
|
|
{
|
|
var ID2 = this.nextIndex++;
|
|
this.cmd("CreateLabel", ID, "LCS(" + S1 + ", " + S2 + ", " + String(x) + ", "+ String(y) + ")", xPos, this.currentY, 0);
|
|
this.cmd("CreateLabel", ID2, " [LCS(" + S1.substring(0,x + 1)+ "," + S2.substring(0,y + 1) + ")]");
|
|
this.cmd("SetForegroundColor", ID2, "#3333FF");
|
|
this.cmd("AlignRight", ID2, ID);
|
|
this.cmd("SetForegroundColor", this.codeID[0][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[0][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
if (this.tableVals[x+1][y+1] != -1)
|
|
{
|
|
var movingLabel = this.nextIndex++;
|
|
this.cmd("CreateLabel", movingLabel, this.tableVals[x+1][y+1], this.tableXPos[x+1][y+1], this.tableYPos[x+1][y+1]);
|
|
this.cmd("Move", movingLabel, xPos, this.currentY);
|
|
this.cmd("SetText", ID, "");
|
|
this.cmd("Step");
|
|
this.cmd("Delete", movingLabel);
|
|
|
|
|
|
this.cmd("SetText", ID, this.tableVals[x+1][y+1]);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("Step");
|
|
return this.tableVals[x+1][y+1];
|
|
}
|
|
|
|
|
|
if (x == -1 || y == -1)
|
|
{
|
|
if (x == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
|
|
}
|
|
if (y == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][3], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
|
|
}
|
|
this.cmd("Step");
|
|
if (x == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
}
|
|
if (y == -1)
|
|
{
|
|
this.cmd("SetForegroundColor", this.codeID[1][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
}
|
|
this.cmd("SetForegroundColor", this.codeID[2][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetText", ID, 0);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[2][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
|
|
var movingLabel = this.nextIndex++;
|
|
this.cmd("CreateLabel", movingLabel,0, xPos, this.currentY);
|
|
this.cmd("Move", movingLabel, this.tableXPos[x+1][y+1], this.tableYPos[x+1][y+1]);
|
|
this.cmd("Step");
|
|
this.cmd("Delete", movingLabel);
|
|
|
|
this.tableVals[x+1][y+1] = 0;
|
|
this.cmd("SetText", this.tableID[x+1][y+1], 0);
|
|
|
|
|
|
return 0;
|
|
}
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[3][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
if (S1.charAt(x) == S2.charAt(y))
|
|
{
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[4][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var nextID = this.nextIndex++;
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
var subProb = this.LCSMem(S1, S2, x-1, y-1, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, nextID);
|
|
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[4][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
|
|
this.cmd("Delete", nextID);
|
|
this.cmd("SetText", ID, subProb + 1);
|
|
this.cmd("Delete", ID2);
|
|
this.cmd("step");
|
|
this.currentY -= DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
|
|
// TODO: Animate moving value into table here
|
|
|
|
|
|
var movingLabel = this.nextIndex++;
|
|
this.cmd("CreateLabel", movingLabel, subProb + 1, xPos, this.currentY);
|
|
this.cmd("Move", movingLabel, this.tableXPos[x+1][y+1], this.tableYPos[x+1][y+1]);
|
|
this.cmd("Step");
|
|
this.cmd("Delete", movingLabel);
|
|
|
|
|
|
|
|
this.tableVals[x+1][y+1] = subProb + 1;
|
|
this.cmd("SetText", this.tableID[x+1][y+1], subProb + 1);
|
|
|
|
return subProb + 1
|
|
}
|
|
else
|
|
{
|
|
var firstID = this.nextIndex++;
|
|
var secondID = this.nextIndex++;
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][1], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var subProb1 = this.LCSMem(S1, S2, x-1, y, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, firstID);
|
|
this.currentY += DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][3], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
|
|
var subProb2 = this.LCSMem(S1, S2, x, y-1, xPos + DPMatrixMultiply.RECURSIVE_DELTA_X, secondID);
|
|
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.codeID[6][0], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][2], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.codeID[6][4], DPMatrixMultiply.CODE_STANDARD_COLOR);
|
|
this.cmd("Delete", firstID);
|
|
this.cmd("Delete", secondID);
|
|
this.currentY -= 2*DPMatrixMultiply.RECURSIVE_DELTA_Y;
|
|
var best = Math.max(subProb1, subProb2);
|
|
this.cmd("SetText", ID, best);
|
|
this.cmd("Delete", ID2);
|
|
|
|
|
|
|
|
var movingLabel = this.nextIndex++;
|
|
this.cmd("CreateLabel", movingLabel, best, xPos, this.currentY);
|
|
this.cmd("Move", movingLabel, this.tableXPos[x+1][y+1], this.tableYPos[x+1][y+1]);
|
|
this.cmd("Step");
|
|
this.cmd("Delete", movingLabel);
|
|
|
|
|
|
|
|
// TODO: Animate moving value into table here
|
|
this.tableVals[x+1][y+1] = best;
|
|
this.cmd("SetText", this.tableID[x+1][y+1], best);
|
|
|
|
|
|
|
|
this.cmd("step");
|
|
return best;
|
|
}
|
|
}
|
|
|
|
|
|
DPMatrixMultiply.prototype.memoizedLCS = function(value)
|
|
{
|
|
this.commands = [];
|
|
|
|
this.clearOldIDs();
|
|
var sequences=value.split(";");
|
|
|
|
this.buildTable(sequences[0], sequences[1]);
|
|
|
|
|
|
var functionCallID = this.nextIndex++;
|
|
this.currentY = DPMatrixMultiply.RECURSIVE_START_Y;
|
|
|
|
this.oldIDs.push(functionCallID);
|
|
|
|
|
|
var final = this.LCSMem(sequences[0], sequences[1], sequences[0].length - 1, sequences[1].length - 1, DPMatrixMultiply.RECURSIVE_START_X, functionCallID);
|
|
|
|
this.cmd("SetText", functionCallID, "LCS(" + sequences[0] + ", " + sequences[1] + ", " + String(sequences[0].length - 1) + ", " + String(sequences[1].length - 1) + ") = " + String(final));
|
|
|
|
return this.commands;
|
|
}
|
|
|
|
DPMatrixMultiply.prototype.enableUI = function(event)
|
|
{
|
|
for (var i = 0; i < this.controls.length; i++)
|
|
{
|
|
this.controls[i].disabled = false;
|
|
}
|
|
|
|
|
|
}
|
|
DPMatrixMultiply.prototype.disableUI = function(event)
|
|
{
|
|
for (var i = 0; i < this.controls.length; i++)
|
|
{
|
|
this.controls[i].disabled = true;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
var currentAlg;
|
|
|
|
function init()
|
|
{
|
|
var animManag = initCanvas();
|
|
currentAlg = new DPMatrixMultiply(animManag, canvas.width, canvas.height);
|
|
}
|
|
|
|
|
|
|