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Fix Issue 33: Gradient picker for fill/stroke. Also start to optimize suspendRedraw/unsuspend. Added vector image of logo.

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git-svn-id: http://svg-edit.googlecode.com/svn/trunk@346 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Jeff Schiller
2009-07-30 22:45:59 +00:00
parent f987b37526
commit 05ff4be18f
20 changed files with 1452 additions and 92 deletions
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Apache License
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jGraduate - A jQuery plugin for picking gradients
Licensed under the Apache License 2. See LICENSE for more information.

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/*
* jGraduate Default CSS
*
* Copyright (c) 2009 Jeff Schiller
*
* Licensed under the Apache License Version 2
*/
h2.jGraduate_Title {
font-family: Arial, Helvetica, Sans-Serif;
font-size: 11px !important;
font-weight: bold;
margin: -13px 0px 0px 0px;
padding: 0px;
text-align: center;
}
.jGraduate_Picker {
font-family: Arial, Helvetica, Sans-Serif;
font-size: 12px;
border-style: solid;
border-color: lightgrey black black lightgrey;
border-width: 1px;
background-color: #EFEFEF;
position: absolute;
padding: 10px;
}
li.jGraduate_tab_color, li.jGraduate_tab_lingrad {
background-color: #ccc;
display: inline;
border: solid 1px grey;
padding: 3px;
margin: 2px;
cursor: pointer;
}
li.jGraduate_tab_current {
background-color: #EFEFEF;
display: inline;
padding: 3px;
margin: 2px;
border: solid 1px black;
cursor: pointer;
}
.jGraduate_colPick {
display: none;
}
.jGraduate_lgPick {
display: none;
border: outset 1px #666;
padding: 10px 7px 5px 5px;
}
.jGraduate_tabs {
position: relative;
background-color: #EFEFEF;
padding: 0px;
margin: 0px;
margin-bottom: 5px;
}
div.jGraduate_Swatch {
display: inline-block;
margin: 8px;
}
div.jGraduate_GradContainer {
border: 2px inset #EEE;
background-image: url(../images/map-opacity.png);
background-position: 0px 0px;
height: 256px;
}
.jGraduate_AlphaArrows {
position: absolute;
margin-top: -10px;
margin-left: 250.5px;
}
div.jGraduate_Opacity {
border: 2px inset #eee;
margin-top: 14px;
background-color: black;
background-image: url(../images/Maps.png);
background-position: 0px -2816px;
height: 20px;
cursor: ew-resize;
}
div.jGraduate_OpacityField {
margin-top: 110px;
margin-left: -10px;
}
div.jGraduate_Form {
display: inline-block;
vertical-align: top;
width: 140px;
margin: -3px 3px 0px 4px;
}
div.jGraduate_StopSection {
width: 120px;
text-align: center;
}
div.jGraduate_OkCancel {
display: inline-block;
vertical-align: top;
width: 113px;
}
input.jGraduate_Ok, input.jGraduate_Cancel {
display: block;
width: 100px;
margin-left: -4px;
margin-right: -4px;
}
input.jGraduate_Ok {
margin: 9px -4px 5px -4px;
}
.colorBox {
display: inline-block;
height: 16px;
width: 16px;
border: 1px solid #808080;
vertical-align: -7px;
cursor: pointer;
margin: 4px;
}
label.jGraduate_Form_Heading {
position: relative;
top: 10px;
background-color: #EFEFEF;
padding: 2px;
font-weight: bold;
font-size: 13px;
}
div.jGraduate_Form_Section {
border-style: solid;
border-width: 1px;
border-color: grey;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
padding: 15px 5px 5px 5px;
margin: 2px;
width: 110px;
text-align: center;
}
div.jGraduate_LightBox {
position: fixed;
top: 0px;
left: 0px;
right: 0px;
bottom: 0px;
background-color: #000;
opacity: 0.5;
display: none;
}
div.jGraduate_stopPicker {
position: absolute;
display: none;
background: #E8E8E8;
}

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.jPicker_Picker {
display: inline-block;
height: 24px; /* change this value if using a different sized color picker icon */
position: relative; /* make this element an absolute positioning container */
text-align: left; /* make the zero width children position to the left of container */
width: 25px; /* change this value if using a different sized color picker icon */
}
.jPicker_Color {
display: block;
height: 100%;
left: 0px;
position: absolute;
top: 0px;
width: 100%;
}
.jPicker_Icon {
background-repeat: no-repeat;
cursor: pointer;
display: block;
height: 100%;
left: 0px;
position: absolute;
top: 0px;
width: 100%;
}
.jPicker_Container {
display: none;
z-index: 10; /* make sure container draws above color picker icon in Firefox/Safari/Chrome/Opera/etc. -
IE calculates z-index so this won't work - we will hide all color picker icons placed after the selected one in code when shown in IE */
}
.jPicker_table {
background-color: #efefef;
border: 1px outset #666;
font-family: Arial, Helvetica, Sans-Serif;
font-size: 12px;
height: 330px;
margin: 0px;
padding: 5px;
width: 550px;
}
.jPicker_table td {
margin: 0px;
padding: 0px;
vertical-align: top;
}
.jPicker_MoveBar {
background-color: #dddddd;
border: 1px outset #aaa;
cursor: move;
height: 12px;
}
.jPicker_Title {
font-size: 11px !important;
font-weight: bold;
margin: -2px 0px 0px 0px;
padding: 0px;
text-align: center;
width: 100%;
}
.jPicker_ColorMap {
border: 2px inset #eee;
cursor: crosshair;
height: 260px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 256px later */
margin: 0px 5px 0px 5px;
overflow: hidden; /* hide the overdraw of the Color Map icon when at edge of viewing box */
padding: 0px;
position: relative; /* make this element an absolute positioning container */
width: 260px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 256px later */
}
div[class="jPicker_ColorMap"] {
height: 256px; /* correct to 256px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
width: 256px; /* correct to 256px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
}
.jPicker_ColorMap_l1, .jPicker_ColorMap_l2, .jPicker_ColorMap_l3, .jPicker_ColorBar_l1, .jPicker_ColorBar_l2, .jPicker_ColorBar_l3, .jPicker_ColorBar_l4, .jPicker_ColorBar_l5, .jPicker_AlphaBar_l1, .jPicker_AlphaBar_l2 {
background-repeat: no-repeat;
display: block;
height: 100%;
left: 0px;
position: absolute;
top: 0px;
width: 100%;
}
.jPicker_ColorMap_l1 {
background-color: #000000;
background-image: none;
}
.jPicker_ColorMap_l2 {
background-color: transparent;
}
.jPicker_ColorMap_l3 {
background-repeat: repeat;
}
.jPicker_ColorMap_Arrow {
display: block;
position: absolute;
}
.jPicker_ColorBar {
border: 2px inset #eee;
cursor: n-resize;
height: 260px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 256px later */
margin: 12px 10px 0px 5px;
padding: 0px;
position: relative;
width: 24px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 20px later */
}
div[class="jPicker_ColorBar"] {
height: 256px; /* correct to 256px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
width: 20px; /* correct to 20px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
}
.jPicker_ColorBar_l1, .jPicker_ColorBar_l2, .jPicker_ColorBar_l3 {
background-color: transparent;
background-image: none;
background-repeat: repeat-x;
}
.jPicker_ColorBar_l4 {
background-color: transparent;
background-repeat: repeat-x;
}
.jPicker_ColorBar_l5 {
background-color: transparent;
background-repeat: repeat;
}
.jPicker_ColorBar_Arrow {
display: block;
left: -10px; /* (arrow width / 2) - (element width / 2) - position arrows' center in elements' center */
position: absolute;
}
.jPicker_AlphaBar {
border: 2px inset #eee;
cursor: e-resize;
display: none;
height: 24px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 20px later */
margin: 10px 5px 4px 5px;
padding: 0px;
position: relative;
width: 260px; /* IE 6 incorrectly draws border inside the width and height instead of outside - We will fix this to 256px later */
}
div[class="jPicker_AlphaBar"] {
height: 20px; /* correct to 20px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
width: 256px; /* correct to 256px for browsers that support the "[class="xxx"]" selector (IE7+,Firefox,Safari,Chrome,Opera,etc.) */
}
.jPicker_AlphaBar_Arrow {
display: block;
top: -10px; /* (arrow height / 2) - (element height / 2) - position arrows' center in elements' center */
position: absolute;
}
.jPicker_EnableAlpha {
text-align: left;
}
.jPicker_Preview {
font-size: x-small;
text-align: center;
}
.jPicker_Preview div {
border: 2px inset #eee;
height: 62px;
margin: 0px auto;
padding: 0px;
width: 62px;
}
.jPicker_Preview div span {
border: 1px solid #000;
display: block;
height: 30px;
margin: 0px auto;
padding: 0px;
width: 60px;
}
.jPicker_Preview div span.jPicker_Active {
border-bottom-width: 0px;
}
.jPicker_Preview div span.jPicker_Current {
border-top-width: 0px;
cursor: pointer;
}
.jPicker_OkCancel {
text-align: center;
width: 120px;
}
.jPicker_OkCancel input {
width: 100px;
}
.jPicker_OkCancel input.jPicker_Ok {
margin: 12px 0px 5px 0px;
}
.jPicker_Spacer {
height: 10px;
}
.jPicker_HueText, .jPicker_SaturationText, .jPicker_BrightnessText, .jPicker_RedText, .jPicker_GreenText, .jPicker_BlueText, .jPicker_AlphaText {
background-color: #fff;
border: 1px inset #aaa;
margin: 0px 0px 0px 5px;
width: 30px;
}
.jPicker_EnterHex {
text-align: right;
}
.jPicker_HexText {
background-color: #fff;
border: 1px inset #aaa;
margin: 0px 19px 0px 5px;
width: 50px;
}
td.jPicker_OpacityCol {
padding-top: 12px;
text-indent: -8px;
}
td.jPicker_OpacityCol * {
display: none;
}
td.jPicker_HexCol {
text-align: left;
}
.jPicker_Grid {
text-align: center;
}
.jPicker_QuickColor {
border: 1px inset #aaa;
cursor: pointer;
display: block;
float: left;
height: 12px;
line-height: 12px;
margin: 2px 3px 1px 3px;
padding: 0px;
width: 12px;
}

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/*
* jGraduate 0.2.x
*
* jQuery Plugin for a gradient picker
*
* Copyright (c) 2009 Jeff Schiller
* http://blog.codedread.com/
*
* Apache 2 License
jGraduate( options, okCallback, cancelCallback )
where options is an object literal:
{
window: { title: "Pick the start color and opacity for the gradient" },
images: { clientPath: "images/" },
paint: a Paint object
}
- the Paint object is:
{
// object describing the color picked used by jPicker
solidColor: { hex, },
// DOM node for the linear gradient
linearGradient: { grad, a,
}
- only one of solidColor and linearGradient must be non-null
- picker accepts the following object as input:
{
okCallback: function to call when Ok is pressed
cancelCallback: function to call when Cancel is pressed
paint: object describing the paint to display initially, if not set, then default to opaque white
}
- okCallback receives a Paint object
*
*/
var ns = { svg: 'http://www.w3.org/2000/svg', xlink: 'http://www.w3.org/1999/xlink' };
if(!window.console) {
window.console = new function() {
this.log = function(str) {};
this.dir = function(str) {};
};
}
$.jGraduate = {
Paint:
function(copy) {
if (copy) {
if (copy.solidColor)
this.solidColor = new $.jPicker.Color({ hex: copy.solidColor.hex,
a: copy.solidColor.a });
// FIXME: linearGradient can be an object, but .grad can still be null
if (copy.linearGradient)
// Opera throws NOT_SUPPORTED_ERROR if the cloneNode(null), the other browsers do not
this.linearGradient = { grad: copy.linearGradient.grad ? document.cloneNode(copy.linearGradient.grad, true) : null,
a: copy.linearGradient.a };
}
else {
this.solidColor = new $.jPicker.Color({ hex: '000000', a: 100 });
this.linearGradient = { grad: null, a: 100 };
}
}
};
jQuery.fn.jGraduateDefaults = {
paint: new $.jGraduate.Paint(),
window: {
pickerTitle: "Drag markers to pick a paint",
},
images: {
clientPath: "images/",
},
};
jQuery.fn.jGraduate =
function(options) {
var $arguments = arguments;
return this.each( function() {
var $this = $(this), $settings = $.extend(true, {}, jQuery.fn.jGraduateDefaults, options),
id = $this.attr('id'),
idref = '#'+$this.attr('id')+' ';
if (!idref)
{
alert('Container element must have an id attribute to maintain unique id strings for sub-elements.');
return;
}
var okClicked = function() {
$.isFunction($this.okCallback) && $this.okCallback($this.paint);
$this.hide();
},
cancelClicked = function() {
$.isFunction($this.cancelCallback) && $this.cancelCallback();
$this.hide();
};
$.extend(true, $this, // public properties, methods, and callbacks
{
paint: $settings.paint,
okCallback: $.isFunction($arguments[1]) && $arguments[1] || null,
cancelCallback: $.isFunction($arguments[2]) && $arguments[2] || null,
});
var mode = "solidColor",
pos = $this.position(),
color = null;
if ($this.paint == null) {
$this.paint = { solidColor: new $.jPicker.Color({ hex: 'ffffff', a: 100 }),
linearGradient: { grad: null, a: 100 } };
}
if ($this.paint.linearGradient.grad != null) {
mode = "linearGradient";
$this.paint.solidColor = new $.jPicker.Color({ hex: 'ffffff', a: 100 });
}
else if ($this.paint.solidColor != null) {
$this.paint.linearGradient = { grad: null, a: 100 };
}
else {
return null;
}
$this.addClass('jGraduate_Picker');
$this.html('<ul class="jGraduate_tabs">' +
'<li class="jGraduate_tab_color jGraduate_tab_current">Solid Color</li>' +
'<li class="jGraduate_tab_lingrad">Linear Gradient</li>' +
'</ul>' +
'<div class="jGraduate_colPick"></div>' +
'<div class="jGraduate_lgPick"></div>');
var colPicker = $(idref + '> .jGraduate_colPick');
var lgPicker = $(idref + '> .jGraduate_lgPick');
lgPicker.html(
'<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' +
'<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' +
'<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' +
'<div id="' + id + '_jGraduate_Opacity" class="jGraduate_Opacity" title="Click to set overall opacity of the gradient paint">' +
'<img id="' + id + '_jGraduate_AlphaArrows" class="jGraduate_AlphaArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif"></img>' +
'</div>' +
'</div>' +
'<div class="jGraduate_Form">' +
'<div class="jGraduate_StopSection">' +
'<label class="jGraduate_Form_Heading">Begin Stop</label>' +
'<div class="jGraduate_Form_Section">' +
'<label>x:</label>' +
'<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' +
'<label> y:</label>' +
'<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' +
'<div id="' + id + '_jGraduate_colorBoxBegin" class="colorBox"></div>' +
'<label id="' + id + '_jGraduate_beginOpacity"> 100%</label>' +
'</div>' +
'</div>' +
'<div class="jGraduate_StopSection">' +
'<label class="jGraduate_Form_Heading">End Stop</label>' +
'<div class="jGraduate_Form_Section">' +
'<label>x:</label>' +
'<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' +
'<label> y:</label>' +
'<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' +
'<div id="' + id + '_jGraduate_colorBoxEnd" class="colorBox"></div>' +
'<label id="' + id + '_jGraduate_endOpacity">100%</label>' +
'</div>' +
'</div>' +
'<div class="jGraduate_OpacityField">' +
'<label class="jGraduate_OpacityLabel">A: </label>' +
'<input type="text" id="' + id + '_jGraduate_OpacityInput" class="jGraduate_OpacityInput" size="3" value="100"/>%' +
'</div>' +
'</div>' +
'<div class="jGraduate_OkCancel">' +
'<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' +
'<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' +
'</div>' +
'<div class="jGraduate_LightBox"></div>' +
'<div id="' + id + '_jGraduate_stopPicker" class="jGraduate_stopPicker"></div>');
// --------------
// Set up all the SVG elements (the gradient, stops and rectangle)
var MAX = 256, MARGINX = 0, MARGINY = 0, STOP_RADIUS = 15/2,
SIZEX = MAX - 2*MARGINX, SIZEY = MAX - 2*MARGINY;
// var container = document.getElementById(id+'_jGraduate_Swatch');
var container = document.getElementById(id+'_jGraduate_GradContainer');
var svg = container.appendChild(document.createElementNS(ns.svg, 'svg'));
svg.id = id+'_jgraduate_svg';
svg.setAttribute('width', MAX);
svg.setAttribute('height', MAX);
svg.setAttribute("xmlns", ns.svg);
if ($this.paint.linearGradient.grad) {
$this.paint.linearGradient.grad = svg.appendChild( document.importNode($this.paint.linearGradient.grad, true) );
$this.paint.linearGradient.grad.id = id+'_jgraduate_grad';
}
else {
var grad = svg.appendChild(document.createElementNS(ns.svg, 'linearGradient'));
grad.id = id+'_jgraduate_grad';
grad.setAttribute('x1','0.0');
grad.setAttribute('y1','0.0');
grad.setAttribute('x2','1.0');
grad.setAttribute('y2','1.0');
var begin = grad.appendChild(document.createElementNS(ns.svg, 'stop'));
begin.setAttribute('offset', '0.0');
begin.setAttribute('stop-color', '#ff0000');
var end = grad.appendChild(document.createElementNS(ns.svg, 'stop'));
end.setAttribute('offset', '1.0');
end.setAttribute('stop-color', '#ff0');
$this.paint.linearGradient.grad = grad;
}
var gradalpha = $this.paint.linearGradient.a;
$('#' + id + '_jGraduate_OpacityInput').val(gradalpha);
var posx = parseInt(255*(gradalpha/100)) - 4.5;
$('#' + id + '_jGraduate_AlphaArrows').css({'margin-left':posx});
$('#' + id + '_jgraduate_rect').attr('fill-opacity', gradalpha/100);
var x1 = parseFloat($this.paint.linearGradient.grad.getAttribute('x1')||0.0);
var y1 = parseFloat($this.paint.linearGradient.grad.getAttribute('y1')||0.0);
var x2 = parseFloat($this.paint.linearGradient.grad.getAttribute('x2')||1.0);
var y2 = parseFloat($this.paint.linearGradient.grad.getAttribute('y2')||0.0);
var rect = document.createElementNS(ns.svg, 'rect');
rect.id = id + '_jgraduate_rect';
rect.setAttribute('x', MARGINX);
rect.setAttribute('y', MARGINY);
rect.setAttribute('width', SIZEY);
rect.setAttribute('height', SIZEY);
rect.setAttribute('fill', 'url(#'+id+'_jgraduate_grad)');
rect.setAttribute('fill-opacity', '1.0');
rect = svg.appendChild(rect);
// stop visuals created here
var beginStop = document.createElementNS(ns.svg, 'image');
beginStop.id = id + "_stop1";
beginStop.setAttribute('class', 'stop');
beginStop.setAttributeNS(ns.xlink, 'href', $settings.images.clientPath + 'mappoint.gif');
beginStop.setAttributeNS(ns.xlink, "title", "Begin Stop");
beginStop.appendChild(document.createElementNS(ns.svg, 'title')).appendChild(
document.createTextNode("Begin Stop"));
beginStop.setAttribute('width', 18);
beginStop.setAttribute('height', 18);
beginStop.setAttribute('x', MARGINX + SIZEX*x1 - STOP_RADIUS);
beginStop.setAttribute('y', MARGINY + SIZEY*y1 - STOP_RADIUS);
beginStop.setAttribute('cursor', 'move');
// must append only after setting all attributes due to Webkit Bug 27952
// https://bugs.webkit.org/show_bug.cgi?id=27592
beginStop = svg.appendChild(beginStop);
var endStop = document.createElementNS(ns.svg, 'image');
endStop.id = id + "_stop2";
endStop.setAttribute('class', 'stop');
endStop.setAttributeNS(ns.xlink, 'href', $settings.images.clientPath + 'mappoint.gif');
endStop.setAttributeNS(ns.xlink, "title", "End Stop");
endStop.appendChild(document.createElementNS(ns.svg, 'title')).appendChild(
document.createTextNode("End Stop"));
endStop.setAttribute('width', 18);
endStop.setAttribute('height', 18);
endStop.setAttribute('x', MARGINX + SIZEX*x2 - STOP_RADIUS);
endStop.setAttribute('y', MARGINY + SIZEY*y2 - STOP_RADIUS);
endStop.setAttribute('cursor', 'move');
endStop = svg.appendChild(endStop);
// bind GUI elements
$('#'+id+'_jGraduate_Ok').bind('click', function() {
$this.paint.solidColor = null;
okClicked();
});
$('#'+id+'_jGraduate_Cancel').bind('click', function(paint) {
cancelClicked();
});
var x1 = $this.paint.linearGradient.grad.getAttribute('x1');
if(!x1) x1 = "0.0";
x1Input = $('#'+id+'_jGraduate_x1');
x1Input.val(x1);
x1Input.change( function() {
if (isNaN(parseFloat(this.value)) || this.value < 0.0 || this.value > 1.0) {
this.value = 0.0;
}
$this.paint.linearGradient.grad.setAttribute('x1', this.value);
beginStop.setAttribute('x', MARGINX + SIZEX*this.value - STOP_RADIUS);
});
var y1 = $this.paint.linearGradient.grad.getAttribute('y1');
if(!y1) y1 = "0.0";
y1Input = $('#'+id+'_jGraduate_y1');
y1Input.val(y1);
y1Input.change( function() {
if (isNaN(parseFloat(this.value)) || this.value < 0.0 || this.value > 1.0) {
this.value = 0.0;
}
$this.paint.linearGradient.grad.setAttribute('y1', this.value);
beginStop.setAttribute('y', MARGINY + SIZEY*this.value - STOP_RADIUS);
});
var x2 = $this.paint.linearGradient.grad.getAttribute('x2');
if(!x2) x2 = "1.0";
x2Input = $('#'+id+'_jGraduate_x2');
x2Input.val(x2);
x2Input.change( function() {
if (isNaN(parseFloat(this.value)) || this.value < 0.0 || this.value > 1.0) {
this.value = 1.0;
}
$this.paint.linearGradient.grad.setAttribute('x2', this.value);
endStop.setAttribute('x', MARGINX + SIZEX*this.value - STOP_RADIUS);
});
var y2 = $this.paint.linearGradient.grad.getAttribute('y2');
if(!y2) y2 = "0.0";
y2Input = $('#'+id+'_jGraduate_y2');
y2Input.val(y2);
y2Input.change( function() {
if (isNaN(parseFloat(this.value)) || this.value < 0.0 || this.value > 1.0) {
this.value = 0.0;
}
$this.paint.linearGradient.grad.setAttribute('y2', this.value);
endStop.setAttribute('y', MARGINY + SIZEY*this.value - STOP_RADIUS);
});
var stops = $this.paint.linearGradient.grad.getElementsByTagNameNS(ns.svg, 'stop');
var numstops = stops.length;
// if there are not at least two stops, then
if (numstops < 2) {
while (numstops < 2) {
$this.paint.linearGradient.grad.appendChild( document.createElementNS(ns.svg, 'stop') );
++numstops;
}
stops = $this.paint.linearGradient.grad.getElementsByTagNameNS(ns.svg, 'stop');
}
var setOpacitySlider = function(e, div) {
var offset = div.offset();
var x = (e.pageX - offset.left - parseInt(div.css('border-left-width')));
if (x > 255) x = 255;
if (x < 0) x = 0;
var posx = x - 4.5;
x /= 255;
$('#' + id + '_jGraduate_AlphaArrows').css({'margin-left':posx});
$('#' + id + '_jgraduate_rect').attr('fill-opacity', x);
x = parseInt(x*100);
$('#' + id + '_jGraduate_OpacityInput').val(x);
$this.paint.linearGradient.a = x;
};
// handle dragging on the opacity slider
var bSlidingOpacity = false;
$('.jGraduate_Opacity').mousedown(function(evt) {
setOpacitySlider(evt, $(this));
bSlidingOpacity = true;
evt.preventDefault();
});
$('.jGraduate_Opacity').mousemove(function(evt) {
if (bSlidingOpacity) {
setOpacitySlider(evt, $(this));
evt.preventDefault();
}
});
$('.jGraduate_Opacity').mouseup(function(evt) {
setOpacitySlider(evt, $(this));
bSlidingOpacity = false;
evt.preventDefault();
});
// handle dragging the stop around the swatch
var draggingStop = null;
var startx = -1, starty = -1;
// for whatever reason, Opera does not allow $('image.stop') here
$('.stop').mousedown(function(evt) {
draggingStop = this;
startx = evt.clientX;
starty = evt.clientY;
evt.preventDefault();
});
$('#'+id+'_jgraduate_svg').mousemove(function(evt) {
if (null != draggingStop) {
var dx = evt.clientX - startx;
var dy = evt.clientY - starty;
startx += dx;
starty += dy;
var x = parseFloat(draggingStop.getAttribute('x')) + dx;
var y = parseFloat(draggingStop.getAttribute('y')) + dy;
// clamp stop to the swatch
if (x < MARGINX - STOP_RADIUS) x = MARGINX - STOP_RADIUS;
if (y < MARGINY - STOP_RADIUS) y = MARGINY - STOP_RADIUS;
if (x > MARGINX + SIZEX - STOP_RADIUS) x = MARGINX + SIZEX - STOP_RADIUS;
if (y > MARGINY + SIZEY - STOP_RADIUS) y = MARGINY + SIZEY - STOP_RADIUS;
draggingStop.setAttribute('x', x);
draggingStop.setAttribute('y', y);
// calculate stop offset
var fracx = (x - MARGINX + STOP_RADIUS)/SIZEX;
var fracy = (y - MARGINY + STOP_RADIUS)/SIZEY;
if (draggingStop.id == (id+'_stop1')) {
x1Input.val(fracx);
y1Input.val(fracy);
$this.paint.linearGradient.grad.setAttribute('x1', fracx);
$this.paint.linearGradient.grad.setAttribute('y1', fracy);
}
else {
x2Input.val(fracx);
y2Input.val(fracy);
$this.paint.linearGradient.grad.setAttribute('x2', fracx);
$this.paint.linearGradient.grad.setAttribute('y2', fracy);
}
evt.preventDefault();
}
});
$('#'+id+'_jgraduate_svg').mouseup(function(evt) {
draggingStop = null;
});
var beginColor = stops[0].getAttribute('stop-color');
if(!beginColor) beginColor = '#000';
beginColorBox = $('#'+id+'_jGraduate_colorBoxBegin');
beginColorBox.css({'background-color':beginColor});
var beginOpacity = stops[0].getAttribute('stop-opacity');
if(!beginOpacity) beginOpacity = '1.0';
$('#'+id+'jGraduate_beginOpacity').html( (beginOpacity*100)+'%' );
var endColor = stops[stops.length-1].getAttribute('stop-color');
if(!endColor) endColor = '#000';
endColorBox = $('#'+id+'_jGraduate_colorBoxEnd');
endColorBox.css({'background-color':endColor});
var endOpacity = stops[stops.length-1].getAttribute('stop-opacity');
if(!endOpacity) endOpacity = '1.0';
$('#'+id+'jGraduate_endOpacity').html( (endOpacity*100)+'%' );
$('#'+id+'_jGraduate_colorBoxBegin').click(function() {
$('div.jGraduate_LightBox').show();
var colorbox = $(this);
color = new $.jPicker.Color({ hex: beginColor.substr(1), a:(parseFloat(beginOpacity)*100) });
$('#'+id+'_jGraduate_stopPicker').css({'left': 100, 'bottom': 15}).jPicker({
window: { title: "Pick the start color and opacity for the gradient" },
images: { clientPath: $settings.images.clientPath },
color: { active: color, alphaSupport: true }
}, function(color){
beginColor = '#' + this.settings.color.active.hex;
beginOpacity = this.settings.color.active.a/100;
colorbox.css('background', beginColor);
$('#'+id+'_jGraduate_beginOpacity').html(parseInt(beginOpacity*100)+'%');
stops[0].setAttribute('stop-color', beginColor);
stops[0].setAttribute('stop-opacity', beginOpacity);
$('div.jGraduate_LightBox').hide();
$('#'+id+'_jGraduate_stopPicker').hide();
}, null, function() {
$('div.jGraduate_LightBox').hide();
$('#'+id+'_jGraduate_stopPicker').hide();
});
});
$('#'+id+'_jGraduate_colorBoxEnd').click(function() {
$('div.jGraduate_LightBox').show();
var colorbox = $(this);
color = new $.jPicker.Color({ hex: endColor.substr(1), a:(parseFloat(endOpacity)*100) });
$('#'+id+'_jGraduate_stopPicker').css({'left': 100, 'top': 15}).jPicker({
window: { title: "Pick the end color and opacity for the gradient" },
images: { clientPath: $settings.images.clientPath },
color: { active: color, alphaSupport: true }
}, function(color){
endColor = '#' + this.settings.color.active.hex;
endOpacity = this.settings.color.active.a/100;
colorbox.css('background', endColor);
$('#'+id+'_jGraduate_endOpacity').html(parseInt(endOpacity*100)+'%');
stops[1].setAttribute('stop-color', endColor);
stops[1].setAttribute('stop-opacity', endOpacity);
$('div.jGraduate_LightBox').hide();
$('#'+id+'_jGraduate_stopPicker').hide();
}, null, function() {
$('div.jGraduate_LightBox').hide();
$('#'+id+'_jGraduate_stopPicker').hide();
});
});
// --------------
colPicker.jPicker(
{
window: { title: $settings.window.pickerTitle },
images: { clientPath: $settings.images.clientPath },
color: { active: $this.paint.solidColor, alphaSupport: true }
},
function(color) {
$this.paint.solidColor = color;
$this.paint.linearGradient.grad = null;
okClicked();
},
null,
function(){ cancelClicked(); }
);
$(idref + ' .jGraduate_tab_color').click( function(){
$(idref + ' .jGraduate_tab_lingrad').removeClass('jGraduate_tab_current');
$(idref + ' .jGraduate_tab_color').addClass('jGraduate_tab_current');
lgPicker.hide();
colPicker.show();
});
$(idref + ' .jGraduate_tab_lingrad').click( function(){
$(idref + ' .jGraduate_tab_color').removeClass('jGraduate_tab_current');
$(idref + ' .jGraduate_tab_lingrad').addClass('jGraduate_tab_current');
colPicker.hide();
lgPicker.show();
});
if (mode == "linearGradient") {
lgPicker.show();
colPicker.hide();
$(idref + ' .jGraduate_tab_color').removeClass('jGraduate_tab_current');
$(idref + ' .jGraduate_tab_lingrad').addClass('jGraduate_tab_current');
}
else {
colPicker.show();
lgPicker.hide();
$(idref + ' .jGraduate_tab_color').addClass('jGraduate_tab_current');
$(idref + ' .jGraduate_tab_lingrad').removeClass('jGraduate_tab_current');
}
$this.show();
});
};