735 行
26 KiB
JavaScript
735 行
26 KiB
JavaScript
// Copyright 2015 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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Search.CODE_START_X = 10;
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Search.CODE_START_Y = 10;
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Search.CODE_LINE_HEIGHT = 14;
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Search.CODE_HIGHLIGHT_COLOR = "#FF0000";
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Search.CODE_STANDARD_COLOR = "#000000";
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var SMALL_SIZE = 0;
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var LARGE_SIZE = 1;
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var EXTRA_FIELD_WIDTH = 50;
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var EXTRA_FIELD_HEIGHT = 50;
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var SEARCH_FOR_X = 450;
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var SEARCH_FOR_Y = 30;
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var RESULT_X = 550;
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var RESULT_Y = 30;
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var INDEX_X = 450;
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var INDEX_Y = 130;
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var HIGHLIGHT_CIRCLE_SIZE_SMALL = 20;
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var HIGHLIGHT_CIRCLE_SIZE_LARGE = 10;
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var HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_SMALL;
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var LOW_CIRCLE_COLOR = "#1010FF";
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var LOW_BACKGROUND_COLOR = "#F0F0FF";
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var MID_CIRCLE_COLOR = "#118C4E";
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var MID_BACKGROUND_COLOR = "#F0FFF0";
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var HIGH_CIRCLE_COLOR = "#FF9009";
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var HIGH_BACKGROUND_COLOR = "#FFFFF0";
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var LOW_POS_X = 350;
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var LOW_POS_Y = 130;
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var MID_POS_X = 450;
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var MID_POS_Y = 130;
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var HIGH_POS_X = 550;
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var HIGH_POS_Y = 130;
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var ARRAY_START_X_SMALL = 100;
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var ARRAY_START_X_LARGE = 100;
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var ARRAY_START_X = ARRAY_START_X_SMALL;
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var ARRAY_START_Y_SMALL = 240;
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var ARRAY_START_Y_LARGE = 200;
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var ARRAY_START_Y = ARRAY_START_Y_SMALL;
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var ARRAY_ELEM_WIDTH_SMALL = 50;
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var ARRAY_ELEM_WIDTH_LARGE = 25;
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var ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_SMALL;
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var ARRAY_ELEM_HEIGHT_SMALL = 50;
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var ARRAY_ELEM_HEIGHT_LARGE = 20;
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var ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_SMALL;
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var ARRAY_ELEMS_PER_LINE_SMALL = 16;
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var ARRAY_ELEMS_PER_LINE_LARGE = 30;
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var ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_SMALL;
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var ARRAY_LINE_SPACING_LARGE = 40;
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var ARRAY_LINE_SPACING_SMALL = 130;
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var ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_SMALL;
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var SIZE_SMALL = 32;
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var SIZE_LARGE = 180;
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var SIZE = SIZE_SMALL;
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function Search(am, w, h)
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{
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this.init(am, w, h);
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}
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Search.prototype = new Algorithm();
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Search.prototype.constructor = Search;
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Search.superclass = Algorithm.prototype;
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Search.LINEAR_CODE = [ ["def ", "linearSearch(listData, value)"],
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[" index = 0"],
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[" while (","index < len(listData)", " and ", "listData[index] < value","):"],
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[" index++;"],
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[" if (", "index >= len(listData", " or ", "listData[index] != value", "):"],
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[" return -1"],
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[" return index"]];
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Search.BINARY_CODE = [ ["def ", "binarySearch(listData, value)"],
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[" low = 0"],
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[" high = len(listData) - 1"],
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[" while (","low <= high",")"],
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[" mid = (low + high) / 2"] ,
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[" if (","listData[mid] == value","):"],
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[" return mid"],
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[" elif (","listData[mid] < value",")"],
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[" low = mid + 1"],
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[" else:"],
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[" high = mid - 1"],
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[" return -1"]]
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Search.prototype.init = function(am, w, h)
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{
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Search.superclass.init.call(this, am, w, h);
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this.addControls();
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this.nextIndex = 0;
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this.commands = [];
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this.setup();
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this.initialIndex = this.nextIndex;
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}
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Search.prototype.addControls = function()
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{
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this.controls = [];
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this.searchField = addControlToAlgorithmBar("Text", "");
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this.searchField.onkeydown = this.returnSubmit(this.searchField, null, 6, true);
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this.linearSearchButton = addControlToAlgorithmBar("Button", "Linear Search");
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this.linearSearchButton.onclick = this.linearSearchCallback.bind(this);
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this.controls.push(this.searchField);
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this.controls.push(this.linearSearchButton);
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this.binarySearchButton = addControlToAlgorithmBar("Button", "Binary Search");
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this.binarySearchButton.onclick = this.binarySearchCallback.bind(this);
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this.controls.push(this.binarySearchButton);
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var radioButtonList = addRadioButtonGroupToAlgorithmBar(["Small", "Large"], "List Size");
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this.smallListButton = radioButtonList[0];
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this.smallListButton.onclick = this.smallListCallback.bind(this);
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this.largeListButton = radioButtonList[1];
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this.largeListButton.onclick = this.largeListCallback.bind(this);
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this.smallListButton.checked = true;
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}
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Search.prototype.smallListCallback = 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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Search.prototype.largeListCallback = 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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Search.prototype.enableUI = function(event)
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{
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for (var i = 0; i < this.controls.length; i++)
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{
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this.controls[i].disabled = false;
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}
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}
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Search.prototype.disableUI = function(event)
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{
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for (var i = 0; i < this.controls.length; i++)
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{
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this.controls[i].disabled = true;
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}
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}
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Search.prototype.getIndexX = function(index) {
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var xpos = (index % ARRAY_ELEMS_PER_LINE) * ARRAY_ELEM_WIDTH + ARRAY_START_X;
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return xpos;
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}
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Search.prototype.getIndexY = function(index) {
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if (index == -1) {
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index = 0;
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}
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var ypos = Math.floor(index / ARRAY_ELEMS_PER_LINE) * ARRAY_LINE_SPACING + ARRAY_START_Y + ARRAY_ELEM_HEIGHT;
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return ypos;
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}
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Search.prototype.setup = function()
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{
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this.nextIndex = 0;
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this.values = new Array(SIZE);
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this.arrayData = new Array(SIZE);
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this.arrayID = new Array(SIZE);
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this.arrayLabelID = new Array(SIZE);
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for (var i = 0; i < SIZE; i++)
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{
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this.arrayData[i] = Math.floor(1+Math.random()*999);
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this.arrayID[i]= this.nextIndex++;
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this.arrayLabelID[i]= this.nextIndex++;
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}
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for (var i = 1; i < SIZE; i++) {
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var nxt = this.arrayData[i];
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var j = i
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while (j > 0 && this.arrayData[j-1] > nxt) {
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this.arrayData[j] = this.arrayData[j-1];
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j = j - 1;
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}
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this.arrayData[j] = nxt;
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}
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this.leftoverLabelID = this.nextIndex++;
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this.commands = new Array();
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for (var i = 0; i < SIZE; i++)
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{
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var xLabelpos = this.getIndexX(i);
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var yLabelpos = this.getIndexY(i);
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this.cmd("CreateRectangle", this.arrayID[i],this.arrayData[i], ARRAY_ELEM_WIDTH, ARRAY_ELEM_HEIGHT,xLabelpos, yLabelpos - ARRAY_ELEM_HEIGHT);
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this.cmd("CreateLabel",this.arrayLabelID[i], i, xLabelpos, yLabelpos);
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this.cmd("SetForegroundColor", this.arrayLabelID[i], "#0000FF");
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}
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this.movingLabelID = this.nextIndex++;
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this.cmd("CreateLabel",this.movingLabelID, "", 0, 0);
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// this.cmd("CreateLabel", this.leftoverLabelID, "", PUSH_LABEL_X, PUSH_LABEL_Y);
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this.searchForBoxID = this.nextIndex++;
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this.searchForBoxLabel = this.nextIndex++;
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this.cmd("CreateRectangle", this.searchForBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,SEARCH_FOR_X, SEARCH_FOR_Y);
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this.cmd("CreateLabel", this.searchForBoxLabel, "Seaching For ", SEARCH_FOR_X, SEARCH_FOR_Y);
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this.cmd("AlignLeft", this.searchForBoxLabel, this.searchForBoxID);
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this.resultBoxID = this.nextIndex++;
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this.resultBoxLabel = this.nextIndex++;
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this.resultString = this.nextIndex++;
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this.cmd("CreateRectangle", this.resultBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,RESULT_X, RESULT_Y);
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this.cmd("CreateLabel", this.resultBoxLabel, "Result ", RESULT_X, RESULT_Y);
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this.cmd("CreateLabel", this.resultString, "", RESULT_X, RESULT_Y);
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this.cmd("AlignLeft", this.resultBoxLabel, this.resultBoxID);
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this.cmd("AlignRight", this.resultString, this.resultBoxID);
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this.cmd("SetTextColor", this.resultString, "#FF0000");
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this.indexBoxID = this.nextIndex++;
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this.indexBoxLabel = this.nextIndex++;
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this.cmd("CreateRectangle", this.indexBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,INDEX_X, INDEX_Y);
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this.cmd("CreateLabel", this.indexBoxLabel, "index ", INDEX_X, INDEX_Y);
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this.cmd("AlignLeft", this.indexBoxLabel, this.indexBoxID);
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this.midBoxID = this.nextIndex++;
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this.midBoxLabel = this.nextIndex++;
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this.cmd("CreateRectangle", this.midBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,MID_POS_X, MID_POS_Y);
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this.cmd("CreateLabel", this.midBoxLabel, "mid ", MID_POS_X, MID_POS_Y);
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this.cmd("AlignLeft", this.midBoxLabel, this.midBoxID);
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this.cmd("SetForegroundColor", this.midBoxID, MID_CIRCLE_COLOR);
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this.cmd("SetTextColor", this.midBoxID, MID_CIRCLE_COLOR);
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this.cmd("SetBackgroundColor", this.midBoxID, MID_BACKGROUND_COLOR);
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this.midCircleID = this.nextIndex++;
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this.cmd("CreateHighlightCircle", this.midCircleID, MID_CIRCLE_COLOR, 0, 0, HIGHLIGHT_CIRCLE_SIZE);
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this.lowBoxID = this.nextIndex++;
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this.lowBoxLabel = this.nextIndex++;
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this.cmd("CreateRectangle", this.lowBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,LOW_POS_X, LOW_POS_Y);
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this.cmd("CreateLabel", this.lowBoxLabel, "low ", LOW_POS_X, LOW_POS_Y);
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this.cmd("AlignLeft", this.lowBoxLabel, this.lowBoxID);
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this.cmd("SetForegroundColor", this.lowBoxID, LOW_CIRCLE_COLOR);
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this.cmd("SetTextColor", this.lowBoxID, LOW_CIRCLE_COLOR);
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this.cmd("SetBackgroundColor", this.lowBoxID, LOW_BACKGROUND_COLOR);
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this.lowCircleID = this.nextIndex++;
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this.cmd("CreateHighlightCircle", this.lowCircleID, LOW_CIRCLE_COLOR, 0,0,HIGHLIGHT_CIRCLE_SIZE);
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this.highBoxID = this.nextIndex++;
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this.highBoxLabel = this.nextIndex++;
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this.cmd("CreateRectangle", this.highBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT,HIGH_POS_X, HIGH_POS_Y);
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this.cmd("CreateLabel", this.highBoxLabel, "high ", HIGH_POS_X, HIGH_POS_Y);
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this.cmd("AlignLeft", this.highBoxLabel, this.highBoxID);
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this.cmd("SetForegroundColor", this.highBoxID, HIGH_CIRCLE_COLOR);
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this.cmd("SetTextColor", this.highBoxID, HIGH_CIRCLE_COLOR);
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this.cmd("SetBackgroundColor", this.highBoxID, HIGH_BACKGROUND_COLOR);
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this.highCircleID = this.nextIndex++;
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this.cmd("CreateHighlightCircle", this.highCircleID, HIGH_CIRCLE_COLOR, 0 , 0, HIGHLIGHT_CIRCLE_SIZE);
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this.cmd("SetALpha", this.lowBoxID, 0);
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this.cmd("SetALpha", this.lowBoxLabel, 0);
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this.cmd("SetALpha", this.midBoxID, 0);
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this.cmd("SetALpha", this.midBoxLabel, 0);
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this.cmd("SetALpha", this.highBoxID, 0);
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this.cmd("SetALpha", this.highBoxLabel, 0);
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this.cmd("SetALpha", this.midCircleID, 0);
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this.cmd("SetALpha", this.lowCircleID, 0);
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this.cmd("SetALpha", this.highCircleID, 0);
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this.cmd("SetALpha", this.indexBoxID, 0);
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this.cmd("SetALpha", this.indexBoxLabel, 0);
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this.highlight1ID = this.nextIndex++;
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this.highlight2ID = this.nextIndex++;
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this.binaryCodeID = this.addCodeToCanvasBase(Search.BINARY_CODE, Search.CODE_START_X, Search.CODE_START_Y, Search.CODE_LINE_HEIGHT, Search.CODE_STANDARD_COLOR);
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this.linearCodeID = this.addCodeToCanvasBase(Search.LINEAR_CODE, Search.CODE_START_X, Search.CODE_START_Y, Search.CODE_LINE_HEIGHT, Search.CODE_STANDARD_COLOR);
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this.setCodeAlpha(this.binaryCodeID, 0);
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this.setCodeAlpha(this.linearCodeID, 0);
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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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}
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Search.prototype.setup_small = function() {
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HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_SMALL;
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ARRAY_START_X = ARRAY_START_X_SMALL;
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ARRAY_START_Y = ARRAY_START_Y_SMALL;
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ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_SMALL;
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ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_SMALL;
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ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_SMALL;
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ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_SMALL;
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SIZE = SIZE_SMALL;
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this.size = SMALL_SIZE;
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this.setup();
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}
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Search.prototype.setup_large = function() {
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HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_LARGE;
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ARRAY_START_X = ARRAY_START_X_LARGE;
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ARRAY_START_Y = ARRAY_START_Y_LARGE;
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ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_LARGE;
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ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_LARGE;
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ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_LARGE;
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ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_LARGE;
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SIZE = SIZE_LARGE;
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this.size = LARGE_SIZE;
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this.setup()
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}
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Search.prototype.linearSearchCallback = function(event)
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{
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var searchVal = this.searchField.value;
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this.implementAction(this.linearSearch.bind(this), searchVal);
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}
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Search.prototype.binarySearchCallback = function(event)
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{
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var searchVal = this.searchField.value;
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this.implementAction(this.binarySearch.bind(this), searchVal);
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}
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Search.prototype.binarySearch = function(searchVal)
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{
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this.commands = new Array();
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this.setCodeAlpha(this.binaryCodeID, 1);
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this.setCodeAlpha(this.linearCodeID, 0);
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this.cmd("SetALpha", this.lowBoxID, 1);
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this.cmd("SetALpha", this.lowBoxLabel, 1);
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this.cmd("SetALpha", this.midBoxID, 1);
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this.cmd("SetALpha", this.midBoxLabel, 1);
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this.cmd("SetALpha", this.highBoxID, 1);
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this.cmd("SetALpha", this.highBoxLabel, 1);
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this.cmd("SetAlpha", this.lowCircleID, 1);
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this.cmd("SetAlpha", this.midCircleID, 1);
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this.cmd("SetAlpha", this.highCircleID, 1);
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this.cmd("SetPosition", this.lowCircleID, LOW_POS_X, LOW_POS_Y);
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this.cmd("SetPosition", this.midCircleID, MID_POS_X, MID_POS_Y);
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this.cmd("SetPosition", this.highCircleID, HIGH_POS_X, HIGH_POS_Y);
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this.cmd("SetAlpha", this.indexBoxID, 0);
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this.cmd("SetAlpha", this.indexBoxLabel, 0);
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this.cmd("SetText", this.resultString, "");
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this.cmd("SetText", this.resultBoxID, "");
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this.cmd("SetText", this.movingLabelID, "");
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var low = 0;
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var high = SIZE- 1;
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this.cmd("Move", this.lowCircleID, this.getIndexX(0), this.getIndexY(0));
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this.cmd("SetText", this.searchForBoxID, searchVal);
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this.cmd("SetForegroundColor", this.binaryCodeID[1][0], Search.CODE_HIGHLIGHT_COLOR);
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this.cmd("SetHighlight", this.lowBoxID, 1)
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this.cmd("SetText", this.lowBoxID, 0)
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this.cmd("step");
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this.cmd("SetForegroundColor", this.binaryCodeID[1][0], Search.CODE_STANDARD_COLOR);
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this.cmd("SetHighlight", this.lowBoxID, 0)
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this.cmd("SetForegroundColor", this.binaryCodeID[2][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.highBoxID, 1)
|
|
this.cmd("SetText", this.highBoxID, SIZE-1)
|
|
this.cmd("Move", this.highCircleID, this.getIndexX(SIZE-1), this.getIndexY(SIZE-1));
|
|
this.cmd("step");
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[2][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.highBoxID, 0)
|
|
var keepGoing = true;
|
|
|
|
while (keepGoing) {
|
|
this.cmd("SetHighlight", this.highBoxID, 1)
|
|
this.cmd("SetHighlight", this.lowBoxID, 1)
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[3][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("step");
|
|
this.cmd("SetHighlight", this.highBoxID, 0)
|
|
this.cmd("SetHighlight", this.lowBoxID, 0)
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[3][1], Search.CODE_STANDARD_COLOR);
|
|
if (low > high)
|
|
{
|
|
keepGoing = false;
|
|
} else {
|
|
var mid = Math.floor((high + low) / 2);
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[4][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.highBoxID, 1)
|
|
this.cmd("SetHighlight", this.lowBoxID, 1)
|
|
this.cmd("SetHighlight", this.midBoxID, 1)
|
|
this.cmd("SetText", this.midBoxID, mid)
|
|
this.cmd("Move", this.midCircleID, this.getIndexX(mid), this.getIndexY(mid));
|
|
|
|
this.cmd("step");
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[4][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.midBoxID, 0)
|
|
this.cmd("SetHighlight", this.highBoxID, 0)
|
|
this.cmd("SetHighlight", this.lowBoxID, 0)
|
|
this.cmd("SetHighlight", this.searchForBoxID, 1)
|
|
this.cmd("SetHighlight", this.arrayID[mid],1);
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[5][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("step");
|
|
this.cmd("SetHighlight", this.searchForBoxID, 0)
|
|
this.cmd("SetHighlight", this.arrayID[mid],0);
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[5][1], Search.CODE_STANDARD_COLOR);
|
|
if (this.arrayData[mid] == searchVal) {
|
|
// HIGHLIGHT CODE!
|
|
keepGoing = false;
|
|
|
|
}
|
|
else {
|
|
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[7][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.searchForBoxID, 1)
|
|
this.cmd("SetHighlight", this.arrayID[mid],1);
|
|
this.cmd("step")
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[7][1], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.searchForBoxID, 0)
|
|
this.cmd("SetHighlight", this.arrayID[mid],0);
|
|
if (this.arrayData[mid] < searchVal) {
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[8][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.lowID,1);
|
|
this.cmd("SetText", this.lowBoxID,mid+1);
|
|
this.cmd("Move", this.lowCircleID, this.getIndexX(mid+1), this.getIndexY(mid+1));
|
|
|
|
low = mid + 1;
|
|
for (var i = 0; i < low; i++) {
|
|
this.cmd("SetAlpha", this.arrayID[i],0.2);
|
|
}
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[8][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.lowBoxID,0);
|
|
} else {
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[10][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.highBoxID,1);
|
|
high = mid - 1;
|
|
this.cmd("SetText", this.highBoxID,high);
|
|
this.cmd("Move", this.highCircleID, this.getIndexX(high), this.getIndexY(high));
|
|
|
|
for (var i = high + 1; i < SIZE; i++) {
|
|
this.cmd("SetAlpha", this.arrayID[i],0.2);
|
|
}
|
|
this.cmd("Step");
|
|
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[10][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.midBoxID,0);
|
|
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
if (high < low) {
|
|
this.cmd("SetText", this.resultString, " Element Not found");
|
|
this.cmd("SetText", this.resultBoxID, -1);
|
|
this.cmd("AlignRight", this.resultString, this.resultBoxID);
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[11][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step")
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[11][0], Search.CODE_STANDARD_COLOR);
|
|
|
|
} else {
|
|
this.cmd("SetText", this.resultString, " Element found");
|
|
this.cmd("SetText", this.movingLabelID, mid);
|
|
this.cmd("SetPosition", this.movingLabelID, this.getIndexX(mid), this.getIndexY(mid));
|
|
|
|
this.cmd("Move", this.movingLabelID, RESULT_X, RESULT_Y);
|
|
|
|
this.cmd("AlignRight", this.resultString, this.resultBoxID);
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[6][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step")
|
|
this.cmd("SetForegroundColor", this.binaryCodeID[6][0], Search.CODE_STANDARD_COLOR);
|
|
|
|
}
|
|
|
|
for (var i = 0; i < SIZE; i++) {
|
|
this.cmd("SetAlpha", this.arrayID[i],1);
|
|
}
|
|
return this.commands;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
Search.prototype.linearSearch = function(searchVal)
|
|
{
|
|
this.commands = new Array();
|
|
this.setCodeAlpha(this.binaryCodeID, 0);
|
|
this.setCodeAlpha(this.linearCodeID, 1);
|
|
|
|
this.cmd("SetALpha", this.lowBoxID, 0);
|
|
this.cmd("SetALpha", this.lowBoxLabel, 0);
|
|
this.cmd("SetALpha", this.midBoxID, 0);
|
|
this.cmd("SetALpha", this.midBoxLabel, 0);
|
|
this.cmd("SetALpha", this.highBoxID, 0);
|
|
this.cmd("SetALpha", this.highBoxLabel, 0);
|
|
|
|
|
|
this.cmd("SetAlpha", this.lowCircleID, 1);
|
|
this.cmd("SetAlpha", this.midCircleID, 0);
|
|
this.cmd("SetAlpha", this.highCircleID, 0);
|
|
|
|
this.cmd("SetPosition", this.lowCircleID, INDEX_X, INDEX_Y);
|
|
|
|
this.cmd("SetALpha", this.indexBoxID, 1);
|
|
this.cmd("SetALpha", this.indexBoxLabel, 1);
|
|
|
|
this.cmd("SetText", this.resultString, "");
|
|
this.cmd("SetText", this.resultBoxID, "");
|
|
this.cmd("SetText", this.movingLabelID, "");
|
|
|
|
|
|
|
|
var goOn = true;
|
|
var nextSearch = 0;
|
|
this.cmd("SetText", this.searchForBoxID, searchVal);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[1][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.indexBoxID,1);
|
|
this.cmd("SetText", this.indexBoxID, "0");
|
|
this.cmd("Move", this.lowCircleID, this.getIndexX(0), this.getIndexY(0));
|
|
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[1][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.indexBoxID,0);
|
|
|
|
|
|
var foundIndex = 0
|
|
while (goOn) {
|
|
if (foundIndex == SIZE) {
|
|
this.cmd("SetForegroundColor", this.linearCodeID[2][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[2][1], Search.CODE_STANDARD_COLOR);
|
|
goOn = false;
|
|
|
|
} else {
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],1);
|
|
this.cmd("SetHighlight", this.searchForBoxID,1);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[2][3], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step")
|
|
this.cmd("SetForegroundColor", this.linearCodeID[2][3], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],0);
|
|
this.cmd("SetHighlight", this.searchForBoxID,0);
|
|
goOn = this.arrayData[foundIndex] < searchVal
|
|
if (goOn)
|
|
{
|
|
foundIndex++;
|
|
|
|
this.cmd("SetForegroundColor", this.linearCodeID[3][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.indexBoxID,1);
|
|
this.cmd("SetText", this.indexBoxID, foundIndex);
|
|
this.cmd("Move", this.lowCircleID, this.getIndexX(foundIndex), this.getIndexY(foundIndex));
|
|
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[3][0], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetHighlight", this.indexBoxID,0);
|
|
}
|
|
}
|
|
}
|
|
if (foundIndex ==SIZE)
|
|
{
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_STANDARD_COLOR);
|
|
|
|
|
|
}
|
|
|
|
else if (this.arrayData[foundIndex] == searchVal)
|
|
{
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][2], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],1);
|
|
this.cmd("SetHighlight", this.searchForBoxID,1);
|
|
this.cmd("Step");
|
|
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],0);
|
|
this.cmd("SetHighlight", this.searchForBoxID,0);
|
|
|
|
|
|
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][2], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[6][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetText", this.resultString, " Element found");
|
|
this.cmd("SetText", this.movingLabelID, foundIndex);
|
|
this.cmd("SetPosition", this.movingLabelID, this.getIndexX(foundIndex), this.getIndexY(foundIndex));
|
|
|
|
this.cmd("Move", this.movingLabelID, RESULT_X, RESULT_Y);
|
|
|
|
this.cmd("AlignRight", this.resultString, this.resultBoxID);
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[6][0], Search.CODE_STANDARD_COLOR);
|
|
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],1);
|
|
this.cmd("SetHighlight", this.searchForBoxID,1);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("Step");
|
|
this.cmd("SetHighlight", this.arrayID[foundIndex],0);
|
|
this.cmd("SetHighlight", this.searchForBoxID,0);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_STANDARD_COLOR);
|
|
this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_HIGHLIGHT_COLOR);
|
|
this.cmd("SetText", this.resultString, " Element Not found");
|
|
this.cmd("SetText", this.resultBoxID, -1);
|
|
this.cmd("AlignRight", this.resultString, this.resultBoxID);
|
|
|
|
this.cmd("Step");
|
|
this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_STANDARD_COLOR);
|
|
|
|
|
|
|
|
}
|
|
return this.commands;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var currentAlg;
|
|
|
|
function init()
|
|
{
|
|
var animManag = initCanvas();
|
|
currentAlg = new Search(animManag, canvas.width, canvas.height);
|
|
}
|