223 行
6.3 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 Recursive(am, w, h)
{
if (am != undefined)
this.init(am, w, h);
}
Recursive.prototype = new Algorithm();
Recursive.prototype.constructor = Recursive;
Recursive.superclass = Algorithm.prototype;
Recursive.CODE_START_X = 10;
Recursive.CODE_START_Y = 10;
Recursive.CODE_LINE_HEIGHT = 14;
Recursive.RECURSIVE_START_X = 20;
Recursive.RECURSIVE_START_Y = 120;
Recursive.RECURSIVE_DELTA_Y = 14;
Recursive.RECURSIVE_DELTA_X = 15;
Recursive.CODE_HIGHLIGHT_COLOR = "#FF0000";
Recursive.CODE_STANDARD_COLOR = "#000000";
Recursive.TABLE_INDEX_COLOR = "#0000FF"
Recursive.CODE_RECURSIVE_1_COLOR = "#339933";
Recursive.CODE_RECURSIVE_2_COLOR = "#0099FF";
Recursive.ACTIVATION_RECORD_WIDTH = 100;
Recursive.ACTIVATION_RECORD_HEIGHT = 20;
Recursive.ACTIVATION_RECORD_SPACING = 2 * Recursive.ACTIVATION_RECORD_WIDTH + 10;
Recursive.SEPARATING_LINE_COLOR = "#0000FF"
Recursive.prototype.addCodeToCanvas = function(code)
{
this.codeID = this.addCodeToCanvasBase(code, Recursive.CODE_START_X, Recursive.CODE_START_Y, Recursive.CODE_LINE_HEIGHT, Recursive.CODE_STANDARD_COLOR);
/* this.codeID = Array(this.code.length);
var i, j;
for (i = 0; i < code.length; i++)
{
this.codeID[i] = new Array(code[i].length);
for (j = 0; j < code[i].length; j++)
{
this.codeID[i][j] = this.nextIndex++;
this.cmd("CreateLabel", this.codeID[i][j], code[i][j], Recursive.CODE_START_X, Recursive.CODE_START_Y + i * Recursive.CODE_LINE_HEIGHT, 0);
this.cmd("SetForegroundColor", this.codeID[i][j], Recursive.CODE_STANDARD_COLOR);
if (j > 0)
{
this.cmd("AlignRight", this.codeID[i][j], this.codeID[i][j-1]);
}
}
} */
}
Recursive.prototype.init = function(am, w, h)
{
Recursive.superclass.init.call(this, am, w, h);
}
Recursive.prototype.clearOldIDs = function()
{
for (var i = 0; i < this.oldIDs.length; i++)
{
this.cmd("Delete", this.oldIDs[i]);
}
this.oldIDs =[];
this.nextIndex = this.initialIndex;
}
Recursive.prototype.reset = function()
{
this.oldIDs =[];
this.nextIndex = this.initialIndex;
}
Recursive.prototype.enableUI = function(event)
{
for (var i = 0; i < this.controls.length; i++)
{
this.controls[i].disabled = false;
}
}
Recursive.prototype.disableUI = function(event)
{
for (var i = 0; i < this.controls.length; i++)
{
this.controls[i].disabled = true;
}
}
Recursive.prototype.deleteActivation = function(activationRec)
{
var i;
for (i = 0; i < activationRec.labelIDs.length; i++)
{
this.cmd("Delete", activationRec.labelIDs[i]);
this.cmd("Delete", activationRec.fieldIDs[i]);
}
this.cmd("Delete", activationRec.separatingLineID);
this.cmd("Delete", activationRec.nameID);
}
Recursive.prototype.createActivation = function(functionName, argList, x, y, labelsOnLeft)
{
var activationRec = new ActivationRecord(argList);
var i;
activationRec.nameID = this.nextIndex++;
labelsOnLeft = (labelsOnLeft == undefined) ? true : labelsOnLeft;
for (i = 0; i < argList.length; i++)
{
var valueID = this.nextIndex++;
activationRec.fieldIDs[i] = valueID;
this.cmd("CreateRectangle", valueID,
"",
Recursive.ACTIVATION_RECORD_WIDTH,
Recursive.ACTIVATION_RECORD_HEIGHT,
x,
y + i * Recursive.ACTIVATION_RECORD_HEIGHT);
var labelID = this.nextIndex++;
activationRec.labelIDs[i] = labelID;
this.cmd("CreateLabel", labelID, argList[i]);
if (labelsOnLeft)
this.cmd("AlignLeft", labelID, valueID);
else
this.cmd("AlignRight", labelID, valueID);
}
activationRec.separatingLineID = this.nextIndex++;
this.cmd("CreateLabel", activationRec.nameID, " " + functionName + " ");
this.cmd("SetForegroundColor", activationRec.nameID, Recursive.SEPARATING_LINE_COLOR);
if (labelsOnLeft)
{
this.cmd("CreateRectangle", activationRec.separatingLineID,
"",
Recursive.ACTIVATION_RECORD_WIDTH * 2,
1,
x - Recursive.ACTIVATION_RECORD_WIDTH / 2,
y - Recursive.ACTIVATION_RECORD_HEIGHT / 2);
this.cmd("AlignLeft", activationRec.nameID, activationRec.labelIDs[0]);
}
else
{
this.cmd("CreateRectangle", activationRec.separatingLineID,
"",
Recursive.ACTIVATION_RECORD_WIDTH * 2,
1,
x + Recursive.ACTIVATION_RECORD_WIDTH / 2,
y - Recursive.ACTIVATION_RECORD_HEIGHT / 2);
this.cmd("AlignRight", activationRec.nameID, activationRec.labelIDs[0]);
}
this.cmd("SetForegroundColor", activationRec.separatingLineID, Recursive.SEPARATING_LINE_COLOR);
return activationRec;
}
function ActivationRecord(fields)
{
this.fields = fields;
this.values = new Array(this.fields.length);
var i;
for (i = 0; i < this.fields.length; i++)
{
this.values[i] = "";
}
this.fieldIDs = new Array(this.fields.length);
this.labelIDs = new Array(this.fields.length);
}