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jsDraw2DX_Uncompressed.js
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jsDraw2DX_Uncompressed.js
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/*****************************************************************************************
*
* Project Name: jsDraw2DX (SVG/VML based Graphics Library for JavaScript, HTML5 Ready)
* Version: Alpha 1.0.6 (21-Jul-2012) (Uncompressed)
* Project Homepage: http://jsdraw2dx.jsfiction.com
* Author: Sameer Burle
* Copyright 2012: jsFiction.com (http://www.jsfiction.com)
* Licensed Under: LGPL
*
* This program (library) is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*****************************************************************************************/
//Global Variables and functions
function jsDraw2DX() {
//Holder for global variables/functions
}
jsDraw2DX._RefID = 0; //Reference IDs used for <defs> in SVG
jsDraw2DX._isVML = false; //_isVML is true if SVG is not supported and only VML is supported
//Global Functions
//Check browser for IE
jsDraw2DX.checkIE = function() {
if (navigator.appName == 'Microsoft Internet Explorer') {
var version = 9;
if (navigator.appVersion.indexOf('MSIE') != -1)
version = parseFloat(navigator.appVersion.split('MSIE')[1]);
if (version < 9) { //SVG support provided for IE9 & onwards
jsDraw2DX._isVML = true;
}
}
}
//Internal global utility factorial function
jsDraw2DX.fact = function(n) {
var res = 1;
for (var i = 1; i <= n; i++) {
res = res * i;
}
return res;
}
//Initialization of the library
jsDraw2DX.init = function() {
jsDraw2DX.checkIE();
if (jsDraw2DX._isVML) {
document.namespaces.add('v', 'urn:schemas-microsoft-com:vml', '#default#VML');
var vmlElements = ['fill', 'stroke', 'path', 'textpath'];
for (var i = 0, l = vmlElements.length; i < l; i++) {
document.createStyleSheet().addRule('v\\:' + vmlElements[i], 'behavior: url(#default#VML);');
}
}
}
//Global Startup
jsDraw2DX.init();
//jxGraphics class holds basic drawing parameters like origin, scale, co-ordinate system.
//It also holds drawing div, svg/vml root elements and array of the drawn shapes.
function jxGraphics(graphicsDivElement) {
//Private member variables
this.origin = new jxPoint(0, 0);
this.scale = 1;
this.coordinateSystem = 'default'; //Possible values 'default' or 'cartecian'
//Private member variables
var _shapes = new Array(); //Array of shapes drawn with the graphics
var _graphicsDiv, _svg, _vml, _defs;
if (graphicsDivElement) {
_graphicsDiv = graphicsDivElement;
_graphicsDiv.style.overflow = 'hidden';
}
else
_graphicsDiv = document.body; //Document will be used directly for drawing
//SVG, VML Initialization
if (!jsDraw2DX._isVML) {
_svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
_graphicsDiv.appendChild(_svg);
_defs = document.createElementNS('http://www.w3.org/2000/svg', 'defs');
_svg.appendChild(_defs);
_svg.style.position = 'absolute';
_svg.style.top = '0px';
_svg.style.left = '0px';
_svg.style.width = _graphicsDiv.style.width;
_svg.style.height = _graphicsDiv.style.height;
}
else {
_vml = document.createElement('v:group');
_vml.style.position = 'absolute';
_vml.style.top = '0px';
_vml.style.left = '0px';
_graphicsDiv.appendChild(_vml);
}
//Internal utility methods
//Defs (for SVG only)
this.getDefs = getDefs;
function getDefs() {
return _defs;
}
//Adds shape to the _shapes array
this.addShape = addShape;
function addShape(shape) {
var ind = this.indexOfShape(shape);
if (ind < 0)
_shapes.push(shape);
}
//Removes shape from the _shapes array
this.removeShape = removeShape;
function removeShape(shape) {
var ind = this.indexOfShape(shape);
if (ind >= 0)
_shapes.splice(ind, 1);
}
//Public Methods
//Get the type
this.getType = getType;
function getType() {
return 'jxGraphics';
}
//Graphics Div
this.getDiv = getDiv;
function getDiv() {
return _graphicsDiv;
}
//SVG
this.getSVG = getSVG;
function getSVG() {
return _svg;
}
//VML
this.getVML = getVML;
function getVML() {
return _vml;
}
//Conversion of logical point to physical point based on coordinate system, origin and scale.
this.logicalToPhysicalPoint = logicalToPhysicalPoint;
function logicalToPhysicalPoint(point) {
if (this.coordinateSystem.toLowerCase() == 'cartecian') {
return new jxPoint(Math.round(point.x * this.scale + this.origin.x), Math.round(this.origin.y - point.y * this.scale))
}
else {
return new jxPoint(Math.round(point.x * this.scale + this.origin.x), Math.round(point.y * this.scale + this.origin.y))
}
}
//Draws a specified shape
this.draw = draw;
function draw(shape) {
return shape.draw(this);
}
//Removes a specified shape
this.remove = remove;
function remove(shape) {
return shape.remove(this);
}
//Redraws all the shapes
this.redrawAll = redrawAll;
function redrawAll() {
for (ind in _shapes) {
_shapes[ind].draw(this);
}
}
//Gets the count of the shape drawn on the graphics
this.getShapesCount = getShapesCount;
function getShapesCount() {
return _shapes.length;
}
//Gets the shape object drawn on the graphics at specific index
this.getShape = getShape;
function getShape(index) {
return _shapes(index);
}
//Gets the index of the shape
this.indexOfShape = indexOfShape;
function indexOfShape(shape) {
var ind=-1, length = _shapes.length;
for (var i = 0; i < length; i++) {
if (shape == _shapes[i]) {
ind = i;
}
}
return ind;
}
}
//jxColor class holds the color information and provides some color related basic functions.
function jxColor() {
//Member variables
var _color = '#000000';
switch (arguments.length) {
//Color Hex or Named or rgb()
case 1:
_color=arguments[0];
break;
//RGB Color
case 3:
var red = arguments[0];
var green = arguments[1];
var blue = arguments[2];
_color = jxColor.rgbToHex(red, green, blue);
break;
}
//Public Methods
//Get the type
this.getType = getType;
function getType() {
return 'jxColor';
}
//Get the hexa-decimal or named color value of the object
this.getValue = getValue;
function getValue() {
return _color;
}
}
//Static-Shared Utility Methods of jxColor
//Convert RGB color to Hex color
jxColor.rgbToHex = function(redValue, greenValue, blueValue) {
//Check argument values
if (redValue < 0 || redValue > 255 || greenValue < 0 || greenValue > 255 || blueValue < 0 || blueValue > 255) {
return false;
}
var colorDec = Math.round(blueValue) + 256 * Math.round(greenValue) + 65536 * Math.round(redValue);
return '#' + zeroPad(colorDec.toString(16), 6);
//Internal method, add zero padding to the left. Used for building hexa-decimal string.
function zeroPad(val, count) {
var valZeropad = val + '';
while (valZeropad.length < count) {
valZeropad = '0' + valZeropad;
}
return valZeropad;
}
}
//Convert Hex color to RGB color
jxColor.hexToRgb = function(hexValue) {
var redValue, greenValue, blueValue;
if (hexValue.charAt(0) == '#') {
hexValue = hexValue.substring(1, 7);
}
redValue = parseInt(hexValue.substring(0, 2), 16);
greenValue = parseInt(hexValue.substring(2, 4), 16);
blueValue = parseInt(hexValue.substring(4, 6), 16);
//Check argument values
if (redValue < 0 || redValue > 255 || greenValue < 0 || greenValue > 255 || blueValue < 0 || blueValue > 255) {
return false;
}
return new Array(redValue, greenValue, blueValue);
}
//jxFont class holds the font information which can be used by other objects in object oriented way.
function jxFont(family, size, style, weight, variant) {
//Public Properties with default value null
this.family = null;
this.size = null;
this.style = null;
this.weight = null;
this.variant = null;
//Object Construction
if (family)
this.family = family;
if (weight)
this.weight = weight;
if (size)
this.size = size;
if (style)
this.style = style;
if (variant)
this.variant = variant;
//Internal utility methods
//Apply font settings to SVG text
this.updateSVG = updateSVG;
function updateSVG(_svgvmlObj) {
if (this.family)
_svgvmlObj.setAttribute('font-family', this.family)
else
_svgvmlObj.setAttribute('font-family', '')
if (this.weight)
_svgvmlObj.setAttribute('font-weight', this.weight)
else
_svgvmlObj.setAttribute('font-weight', '')
if (this.size)
_svgvmlObj.setAttribute('font-size', this.size)
else
_svgvmlObj.setAttribute('font-size', '')
if (this.style)
_svgvmlObj.setAttribute('font-style', this.style)
else
_svgvmlObj.setAttribute('font-style', '')
if (this.variant)
_svgvmlObj.setAttribute('font-variant', this.variant)
else
_svgvmlObj.setAttribute('font-variant', '')
}
//Apply font settings to VML textpath
this.updateVML = updateVML;
function updateVML(vmlTextPath) {
if (this.family)
vmlTextPath.style.fontFamily = "'" + this.family + "'";
else
vmlTextPath.style.fontFamily = '';
if (this.weight)
vmlTextPath.style.fontWeight = this.weight;
else
vmlTextPath.style.fontWeight = '';
if (this.size)
vmlTextPath.style.fontSize = this.size;
else
vmlTextPath.style.fontSize = '';
if (this.style)
vmlTextPath.style.fontStyle = this.style;
else
vmlTextPath.style.fontStyle = '';
if (this.variant)
vmlTextPath.style.fontVariant = this.variant;
else
vmlTextPath.style.fontVariant = '';
}
//Public Methods
this.getType = getType;
function getType() {
return 'jxFont';
}
}
//Internal Static/Shared Methods of jxFont
//To remove font setting of SVG text (font=null)
jxFont.updateSVG = function(_svgvmlObj) {
_svgvmlObj.setAttribute('font-family', '')
_svgvmlObj.setAttribute('font-weight', '')
_svgvmlObj.setAttribute('font-size', '')
_svgvmlObj.setAttribute('font-style', '')
_svgvmlObj.setAttribute('font-variant', '')
}
//Remove font settings of VML textpath (font=null)
jxFont.updateVML = function(vmlTextPath) {
vmlTextPath.style.fontFamily = '';
vmlTextPath.style.fontWeight = '';
vmlTextPath.style.fontSize = '';
vmlTextPath.style.fontStyle = '';
vmlTextPath.style.fontVariant = '';
}
//jxPen class holds the drawing pen/stroke information.
//Mainly it holds the color and width values to be used for 2D drawing.
//Acts like a pen for drawing.
function jxPen(color, width, dashStyle) {
//Public Properties
this.color = null; //color proprty of jxColor type
this.width = null; //width property
this.dashStyle = null; //for dotted and dashed line
//Object construction
if (color)
this.color = color;
else
this.color = new jxColor('#000000'); //default black color
if (width)
this.width = width;
else
this.width = '1px'; //1px default value
if (dashStyle)
this.dashStyle = dashStyle;
//Internal utility methods
//Update the svg to apply pen settings
this.updateSVG = updateSVG;
function updateSVG(_svgvmlObj) {
_svgvmlObj.setAttribute('stroke', this.color.getValue());
_svgvmlObj.setAttribute('stroke-width', this.width);
if (this.dashStyle) {
var w = parseInt(this.width);
switch (this.dashStyle.toLowerCase()) {
case 'shortdash':
_svgvmlObj.setAttribute('stroke-dasharray', w * 3 + ' ' + w);
break;
case 'shortdot':
_svgvmlObj.setAttribute('stroke-dasharray', w + ' ' + w);
break;
case 'shortdashdot':
_svgvmlObj.setAttribute('stroke-dasharray', w * 3 + ' ' + w + ' ' + w + ' ' + w);
break;
case 'shortdashdotdot':
_svgvmlObj.setAttribute('stroke-dasharray', w * 3 + ' ' + w + ' ' + w + ' ' + w + ' ' + w + ' ' + w);
break;
case 'dot':
_svgvmlObj.setAttribute('stroke-dasharray', w + ' ' + w * 3);
break;
case 'dash':
_svgvmlObj.setAttribute('stroke-dasharray', w * 4 + ' ' + w * 3);
break;
case 'longdash':
_svgvmlObj.setAttribute('stroke-dasharray', w * 8 + ' ' + w * 3);
break;
case 'dashdot':
_svgvmlObj.setAttribute('stroke-dasharray', w * 4 + ' ' + w * 3 + ' ' + w + ' ' + w * 3);
break;
case 'longdashdot':
_svgvmlObj.setAttribute('stroke-dasharray', w * 8 + ' ' + w * 3 + ' ' + w + ' ' + w * 3);
break;
case 'longdashdotdot':
_svgvmlObj.setAttribute('stroke-dasharray', w * 8 + ' ' + w * 3 + ' ' + w + ' ' + w * 3 + ' ' + w + ' ' + w * 3);
break;
default:
_svgvmlObj.setAttribute('stroke-dasharray', this.dashStyle);
break;
}
}
}
//Update the vml to apply pen settings
this.updateVML = updateVML;
function updateVML(_svgvmlObj) {
_svgvmlObj.Stroke.JoinStyle = 'miter';
_svgvmlObj.Stroke.MiterLimit = '5';
_svgvmlObj.StrokeColor = this.color.getValue();
_svgvmlObj.StrokeWeight = this.width;
if (this.dashStyle)
_svgvmlObj.Stroke.DashStyle = this.dashStyle;
if (parseInt(this.width) == 0)
_svgvmlObj.Stroked = 'False';
}
//Public Methods
this.getType = getType;
function getType() {
return 'jxPen';
}
}
//jxBrush class holds the drawing fill information.
//Mainly it holds the fill color values and fill type to be used for filling 2D drawing.
//Acts like a brush for drawing.
function jxBrush(color, fillType) {
//Public Properties
this.color = null; //color proprty of jxColor type
this.fillType = null; //fillType property 'solid','lin_grad'='linear_gradient',proposed:'rad_grad'='radial_gradiant' or 'pattern'
this.color2 = null; //second color for gradient fill type
this.angle = null;
//Construction of the object
if (color)
this.color = color;
else
this.color = new jxColor('#000000'); //Default black color
if (fillType)
this.fillType = fillType;
else
this.fillType = 'solid'; //Default fillType other values 'linear-gradient'='lin-grad' (more to come)
//Set rest of defaults
this.color2 = new jxColor('#FFFFFF'); //Default color2
//Internal utility functions
//Update the svg to apply brush settings
this.updateSVG = updateSVG;
function updateSVG(_svgvmlObj,defs) {
var fillId=null, oldChild;
fillId = _svgvmlObj.getAttribute('fill');
if (fillId) {
if (fillId.substr(0, 5) == 'url(#') {
fillId = fillId.substr(5, fillId.length - 6);
oldChild = document.getElementById(fillId);
}
else
fillId = null;
}
if (this.fillType == 'linear-gradient' || this.fillType == 'lin-grad') {
var linearGradient = document.createElementNS('http://www.w3.org/2000/svg', 'linearGradient');
if (fillId)
defs.replaceChild(linearGradient, oldChild);
else
defs.appendChild(linearGradient);
var stop1 = document.createElementNS('http://www.w3.org/2000/svg', 'stop');
linearGradient.appendChild(stop1);
var stop2 = document.createElementNS('http://www.w3.org/2000/svg', 'stop');
linearGradient.appendChild(stop2);
jsDraw2DX._RefID++;
linearGradient.setAttribute('id', 'jsDraw2DX_RefID_' + jsDraw2DX._RefID);
if (this.angle != null)
linearGradient.setAttribute('gradientTransform', 'rotate(' + this.angle + ' 0.5 0.5)');
else
linearGradient.setAttribute('gradientTransform', 'rotate(0 0.5 0.5)');
stop1.setAttribute('offset','0%');
stop1.setAttribute('style','stop-color:' + this.color.getValue() + ';stop-opacity:1');
stop2.setAttribute('offset','100%');
stop2.setAttribute('style', 'stop-color:' + this.color2.getValue() + ';stop-opacity:1');
linearGradient.appendChild(stop1);
linearGradient.appendChild(stop2);
_svgvmlObj.setAttribute('fill', 'url(#' + 'jsDraw2DX_RefID_' + jsDraw2DX._RefID + ')');
}
else
_svgvmlObj.setAttribute('fill', this.color.getValue());
}
//Update the vml to apply brush settings
this.updateVML = updateVML;
function updateVML(vmlFill) {
vmlFill.On = 'true';
if (this.fillType == 'solid') {
vmlFill.Type = 'solid';
vmlFill.Color = this.color.getValue();
vmlFill.Color2 = '';
vmlFill.Angle = 270;
}
else {
vmlFill.Type = 'gradient';
if (this.angle != null)
vmlFill.Angle = 270 - this.angle;
else
vmlFill.Angle = 270;
vmlFill.Color = this.color.getValue();
vmlFill.Color2 = this.color2.getValue();
}
}
//Public Methods
this.getType = getType;
function getType() {
return 'jxBrush';
}
}
//jxPoint class holds the 2D drawing point information.
//It holds values of x and y coordinates of the point.
function jxPoint(x, y) {
//Public Properties
this.x = x;
this.y = y;
//Public Methods
//Get the type
this.getType = getType;
function getType() {
return 'jxPoint';
}
}
//Class to hold information and draw line shape
function jxLine(fromPoint, toPoint, pen) {
//Public Properties
this.fromPoint = fromPoint;
this.toPoint = toPoint;
this.pen = null;
//Private member variables
var _svgvmlObj, _isFirst = true;
var _graphics;
//Object Construction
if(pen)
this.pen = pen;
if (!jsDraw2DX._isVML)
_svgvmlObj = document.createElementNS('http://www.w3.org/2000/svg', 'line');
else
_svgvmlObj = document.createElement('v:line');
//Public Methods
this.getType = getType;
function getType() {
return 'jxLine';
}
//Events Handling Ability
this.addEventListener = addEventListener;
function addEventListener(eventName, handler) {
if (_svgvmlObj.addEventListener)
_svgvmlObj.addEventListener(eventName, handlerWrapper, false);
else if (_svgvmlObj.attachEvent)
_svgvmlObj.attachEvent('on' + eventName, handlerWrapper);
var currentObj = this;
function handlerWrapper(evt) {
handler(evt, currentObj);
}
}
//Draw line shape on the jxGraphics
this.draw = draw;
function draw(graphics) {
var fromPoint, toPoint;
fromPoint = graphics.logicalToPhysicalPoint(this.fromPoint);
toPoint = graphics.logicalToPhysicalPoint(this.toPoint);
var colorValue, penWidth, isFirst = false;
colorValue = this.pen.color.getValue();
penWidth = this.pen.width;
var x1, y1, x2, y2;
x1 = fromPoint.x;
y1 = fromPoint.y;
x2 = toPoint.x;
y2 = toPoint.y;
_svgvmlObj.style.display = 'none';
if (!jsDraw2DX._isVML) {
var svg = graphics.getSVG();
if (_isFirst)
{
svg.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Setting
if (!this.pen)
_svgvmlObj.setAttribute('stroke', 'none');
else
this.pen.updateSVG(_svgvmlObj);
_svgvmlObj.setAttribute('x1', x1);
_svgvmlObj.setAttribute('y1', y1);
_svgvmlObj.setAttribute('x2', x2);
_svgvmlObj.setAttribute('y2', y2);
}
else {
var vml = graphics.getVML();
if (_isFirst) {
vml.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Setting
if (!this.pen)
_svgvmlObj.Stroked = 'False';
else
this.pen.updateVML(_svgvmlObj);
_svgvmlObj.style.position = 'absolute';
_svgvmlObj.From = x1 + ',' + y1;
_svgvmlObj.To = x2 + ',' + y2;
}
_svgvmlObj.style.display = '';
if (_graphics && graphics != _graphics) {
_graphics.removeShape(this);
}
_graphics = graphics;
_graphics.addShape(this);
}
//Removes shape from the graphics drawing
this.remove = remove;
function remove() {
if (_graphics) {
if (!jsDraw2DX._isVML) {
var svg = _graphics.getSVG();
svg.removeChild(_svgvmlObj);
}
else {
var vml = _graphics.getVML();
vml.removeChild(_svgvmlObj);
}
_graphics.removeShape(this);
_graphics = null;
_isFirst = true;
}
}
//Show the already drawn shape
this.show = show;
function show() {
_svgvmlObj.style.display = '';
}
//Hide the already drawn shape
this.hide = hide;
function hide() {
_svgvmlObj.style.display = 'none';
}
}
//Class to hold information and draw rectangle shape
function jxRect(point, width, height, pen, brush) {
//Public Properties
this.point = point;
this.width = width;
this.height = height;
this.pen = null;
this.brush = null;
//Private member variables
var _svgvmlObj, _isFirst = true;
var _graphics;
//Object construction
if (pen)
this.pen = pen;
if (brush)
this.brush = brush;
if (!jsDraw2DX._isVML)
_svgvmlObj = document.createElementNS('http://www.w3.org/2000/svg', 'rect');
else
_svgvmlObj = document.createElement('v:rect');
//Public Methods
this.getType = getType;
function getType() {
return 'jxRect';
}
//Events Handling Ability
this.addEventListener = addEventListener;
function addEventListener(eventName, handler) {
if (_svgvmlObj.addEventListener)
_svgvmlObj.addEventListener(eventName, handlerWrapper, false);
else if (_svgvmlObj.attachEvent)
_svgvmlObj.attachEvent('on' + eventName, handlerWrapper);
var currentObj = this;
function handlerWrapper(evt) {
handler(evt, currentObj);
}
}
//Draw rectangle shape on the jxGraphics
this.draw = draw;
function draw(graphics) {
var point, scale;
point = graphics.logicalToPhysicalPoint(this.point);
scale = graphics.scale;
var x1, y1;
x1 = point.x;
y1 = point.y;
_svgvmlObj.style.display = 'none';
if (!jsDraw2DX._isVML) {
var svg = graphics.getSVG();
if (_isFirst) {
svg.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Setting
if (!this.pen)
_svgvmlObj.setAttribute('stroke', 'none');
else
this.pen.updateSVG(_svgvmlObj);
//Apply Brush Settings
if (!this.brush)
_svgvmlObj.setAttribute('fill', 'none');
else {
this.brush.updateSVG(_svgvmlObj, graphics.getDefs());
}
_svgvmlObj.setAttribute('x', x1);
_svgvmlObj.setAttribute('y', y1);
_svgvmlObj.setAttribute('width', scale * this.width);
_svgvmlObj.setAttribute('height', scale * this.height);
_svgvmlObj.style.position = 'absolute'
}
else {
var vml = graphics.getVML(), vmlFill;
if (_isFirst) {
vml.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Setting
if (!this.pen)
_svgvmlObj.Stroked = 'False';
else
this.pen.updateVML(_svgvmlObj);
//Apply Brush Setting
vmlFill = _svgvmlObj.fill;
if (!this.brush)
vmlFill.On = 'false';
else
this.brush.updateVML(vmlFill);
_svgvmlObj.style.width = scale * this.width;
_svgvmlObj.style.height = scale * this.height;
_svgvmlObj.style.position = 'absolute';
_svgvmlObj.style.top = y1;
_svgvmlObj.style.left = x1;
}
_svgvmlObj.style.display = '';
if (_graphics && graphics != _graphics) {
_graphics.removeShape(this);
}
_graphics = graphics;
_graphics.addShape(this);
}
//Removes shape from the graphics drawing
this.remove = remove;
function remove() {
if (_graphics) {
if (!jsDraw2DX._isVML) {
var svg = _graphics.getSVG();
svg.removeChild(_svgvmlObj);
}
else {
var vml = _graphics.getVML();
vml.removeChild(_svgvmlObj);
}
_graphics.removeShape(this);
_graphics = null;
_isFirst = true;
}
}
//Show the already drawn shape
this.show = show;
function show() {
_svgvmlObj.style.display = '';
}
//Hide the already drawn shape
this.hide = hide;
function hide() {
_svgvmlObj.style.display = 'none';
}
}
//Class to hold information and draw polyline shape
function jxPolyline(points, pen, brush) {
//Public Properties
this.points = points;
this.pen = null;
this.brush = null;
//Private member variables
var _svgvmlObj, _isFirst = true;
var _graphics;
//Object construction
if (pen)
this.pen = pen;
if (brush)
this.brush = brush;
if (!jsDraw2DX._isVML)
_svgvmlObj = document.createElementNS('http://www.w3.org/2000/svg', 'polyline');
else
_svgvmlObj = document.createElement('v:polyline');
//Public Methods
this.getType = getType;
function getType() {
return 'jxPolyline';
}
//Events Handling Ability
this.addEventListener = addEventListener;
function addEventListener(eventName, handler) {
if (_svgvmlObj.addEventListener)
_svgvmlObj.addEventListener(eventName, handlerWrapper, false);
else if (_svgvmlObj.attachEvent)
_svgvmlObj.attachEvent('on' + eventName, handlerWrapper);
var currentObj = this;
function handlerWrapper(evt) {
handler(evt, currentObj);
}
}
//Draw polyline shape on the jxGraphics
this.draw = draw;
function draw(graphics) {
var points=new Array(),pointsList='';
for (ind in this.points) {
points[ind] = graphics.logicalToPhysicalPoint(this.points[ind]);
}
for (ind in points) {
pointsList = pointsList + points[ind].x + ',' + points[ind].y + ' ';
}
_svgvmlObj.style.display = 'none';
if (!jsDraw2DX._isVML) {
var svg = graphics.getSVG();
if (_isFirst) {
svg.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Settings
if (!this.pen)
_svgvmlObj.setAttribute('stroke', 'none');
else
this.pen.updateSVG(_svgvmlObj);
//Apply Brush Settings
if (!this.brush)
_svgvmlObj.setAttribute('fill', 'none');
else {
this.brush.updateSVG(_svgvmlObj, graphics.getDefs());
}
_svgvmlObj.style.position = 'absolute'
_svgvmlObj.setAttribute('points', pointsList);
}
else {
var vml = graphics.getVML(), vmlFill;
if (_isFirst) {
vml.appendChild(_svgvmlObj);
_isFirst = false;
}
//Apply Pen Setting
if (!this.pen)
_svgvmlObj.Stroked = 'False';
else
this.pen.updateVML(_svgvmlObj);
//Apply Brush Setting
vmlFill = _svgvmlObj.fill;
if (!this.brush)
vmlFill.On = 'false';
else
this.brush.updateVML(vmlFill);
_svgvmlObj.style.position = 'absolute';
_svgvmlObj.Points.Value = pointsList;
}
_svgvmlObj.style.display = '';
if (_graphics && graphics != _graphics) {
_graphics.removeShape(this);
}
_graphics = graphics;
_graphics.addShape(this);
}
//Removes shape from the graphics drawing
this.remove = remove;
function remove() {
if (_graphics) {
if (!jsDraw2DX._isVML) {
var svg = _graphics.getSVG();
svg.removeChild(_svgvmlObj);
}
else {
var vml = _graphics.getVML();
vml.removeChild(_svgvmlObj);
}
_graphics.removeShape(this);
_graphics = null;
_isFirst = true;
}