2 * Copyright (C) 2011 Brian Grinstead All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * @extends {WebInspector.VBox}
33 WebInspector.Spectrum = function()
35 WebInspector.VBox.call(this);
36 this.registerRequiredCSS("spectrum.css");
38 this.element.classList.add("spectrum-container");
39 this.element.tabIndex = 0;
41 var topElement = this.element.createChild("div", "spectrum-top");
42 topElement.createChild("div", "spectrum-fill");
44 var topInnerElement = topElement.createChild("div", "spectrum-top-inner fill");
45 this._draggerElement = topInnerElement.createChild("div", "spectrum-color");
46 this._dragHelperElement = this._draggerElement.createChild("div", "spectrum-sat fill").createChild("div", "spectrum-val fill").createChild("div", "spectrum-dragger");
48 this._sliderElement = topInnerElement.createChild("div", "spectrum-hue");
49 this.slideHelper = this._sliderElement.createChild("div", "spectrum-slider");
51 var rangeContainer = this.element.createChild("div", "spectrum-range-container");
52 var alphaLabel = rangeContainer.createChild("label");
53 alphaLabel.textContent = WebInspector.UIString("\u03B1:");
55 this._alphaElement = rangeContainer.createChild("input", "spectrum-range");
56 this._alphaElement.setAttribute("type", "range");
57 this._alphaElement.setAttribute("min", "0");
58 this._alphaElement.setAttribute("max", "100");
59 this._alphaElement.addEventListener("input", alphaDrag.bind(this), false);
60 this._alphaElement.addEventListener("change", alphaDrag.bind(this), false);
62 var swatchElement = document.createElement("span");
63 swatchElement.className = "swatch";
64 this._swatchInnerElement = swatchElement.createChild("span", "swatch-inner");
66 var displayContainer = this.element.createChild("div");
67 displayContainer.appendChild(swatchElement);
68 this._displayElement = displayContainer.createChild("span", "source-code spectrum-display-value");
70 WebInspector.Spectrum.draggable(this._sliderElement, hueDrag.bind(this));
71 WebInspector.Spectrum.draggable(this._draggerElement, colorDrag.bind(this), colorDragStart.bind(this));
74 * @param {!Element} element
75 * @param {number} dragX
76 * @param {number} dragY
77 * @this {WebInspector.Spectrum}
79 function hueDrag(element, dragX, dragY)
81 this._hsv[0] = (this.slideHeight - dragY) / this.slideHeight;
86 var initialHelperOffset;
89 * @this {WebInspector.Spectrum}
91 function colorDragStart()
93 initialHelperOffset = { x: this._dragHelperElement.offsetLeft, y: this._dragHelperElement.offsetTop };
97 * @param {!Element} element
98 * @param {number} dragX
99 * @param {number} dragY
100 * @param {!MouseEvent} event
101 * @this {WebInspector.Spectrum}
103 function colorDrag(element, dragX, dragY, event)
105 if (event.shiftKey) {
106 if (Math.abs(dragX - initialHelperOffset.x) >= Math.abs(dragY - initialHelperOffset.y))
107 dragY = initialHelperOffset.y;
109 dragX = initialHelperOffset.x;
112 this._hsv[1] = dragX / this.dragWidth;
113 this._hsv[2] = (this.dragHeight - dragY) / this.dragHeight;
119 * @this {WebInspector.Spectrum}
123 this._hsv[3] = this._alphaElement.value / 100;
129 WebInspector.Spectrum.Events = {
130 ColorChanged: "ColorChanged"
134 * @param {function(!Element, number, number, !MouseEvent)=} onmove
135 * @param {function(!Element, !MouseEvent)=} onstart
136 * @param {function(!Element, !MouseEvent)=} onstop
138 WebInspector.Spectrum.draggable = function(element, onmove, onstart, onstop) {
161 var dragX = Math.max(0, Math.min(e.pageX - offset.left + scrollOffset.left, maxWidth));
162 var dragY = Math.max(0, Math.min(e.pageY - offset.top + scrollOffset.top, maxHeight));
165 onmove(element, dragX, dragY, /** @type {!MouseEvent} */ (e));
174 var mouseEvent = /** @type {!MouseEvent} */ (e);
175 var rightClick = mouseEvent.which ? (mouseEvent.which === 3) : (mouseEvent.button === 2);
177 if (!rightClick && !dragging) {
180 onstart(element, mouseEvent);
183 maxHeight = element.clientHeight;
184 maxWidth = element.clientWidth;
186 scrollOffset = element.scrollOffset();
187 offset = element.totalOffset();
189 doc.addEventListener("selectstart", consume, false);
190 doc.addEventListener("dragstart", consume, false);
191 doc.addEventListener("mousemove", move, false);
192 doc.addEventListener("mouseup", stop, false);
205 doc.removeEventListener("selectstart", consume, false);
206 doc.removeEventListener("dragstart", consume, false);
207 doc.removeEventListener("mousemove", move, false);
208 doc.removeEventListener("mouseup", stop, false);
211 onstop(element, /** @type {!MouseEvent} */ (e));
217 element.addEventListener("mousedown", start, false);
220 WebInspector.Spectrum.prototype = {
222 * @param {!WebInspector.Color} color
224 setColor: function(color)
226 this._hsv = color.hsva();
230 * @return {!WebInspector.Color}
234 return WebInspector.Color.fromHSVA(this._hsv);
237 _colorString: function()
239 var cf = WebInspector.Color.Format;
240 var format = this._originalFormat;
241 var color = this.color();
242 var originalFormatString = color.toString(this._originalFormat);
243 if (originalFormatString)
244 return originalFormatString;
246 if (color.hasAlpha()) {
247 // Everything except HSL(A) should be returned as RGBA if transparency is involved.
248 if (format === cf.HSLA || format === cf.HSL)
249 return color.toString(cf.HSLA);
251 return color.toString(cf.RGBA);
254 if (format === cf.ShortHEX)
255 return color.toString(cf.HEX);
256 console.assert(format === cf.Nickname);
257 return color.toString(cf.RGB);
261 set displayText(text)
263 this._displayElement.textContent = text;
266 _onchange: function()
269 this.dispatchEventToListeners(WebInspector.Spectrum.Events.ColorChanged, this._colorString());
272 _updateHelperLocations: function()
274 var h = this._hsv[0];
275 var s = this._hsv[1];
276 var v = this._hsv[2];
278 // Where to show the little circle that displays your current selected color.
279 var dragX = s * this.dragWidth;
280 var dragY = this.dragHeight - (v * this.dragHeight);
282 dragX = Math.max(-this._dragHelperElementHeight,
283 Math.min(this.dragWidth - this._dragHelperElementHeight, dragX - this._dragHelperElementHeight));
284 dragY = Math.max(-this._dragHelperElementHeight,
285 Math.min(this.dragHeight - this._dragHelperElementHeight, dragY - this._dragHelperElementHeight));
287 this._dragHelperElement.positionAt(dragX, dragY);
289 // Where to show the bar that displays your current selected hue.
290 var slideY = this.slideHeight - ((h * this.slideHeight) + this.slideHelperHeight);
291 this.slideHelper.style.top = slideY + "px";
293 this._alphaElement.value = this._hsv[3] * 100;
296 _updateUI: function()
298 this._updateHelperLocations();
300 this._draggerElement.style.backgroundColor = WebInspector.Color.fromHSVA([this._hsv[0], 1, 1, 1]).toString(WebInspector.Color.Format.RGB);
301 this._swatchInnerElement.style.backgroundColor = this.color().toString(WebInspector.Color.Format.RGBA);
303 this._alphaElement.value = this._hsv[3] * 100;
308 this.slideHeight = this._sliderElement.offsetHeight;
309 this.dragWidth = this._draggerElement.offsetWidth;
310 this.dragHeight = this._draggerElement.offsetHeight;
311 this._dragHelperElementHeight = this._dragHelperElement.offsetHeight / 2;
312 this.slideHelperHeight = this.slideHelper.offsetHeight / 2;
316 __proto__: WebInspector.VBox.prototype
321 * @extends {WebInspector.Object}
323 WebInspector.SpectrumPopupHelper = function()
325 this._spectrum = new WebInspector.Spectrum();
326 this._spectrum.element.addEventListener("keydown", this._onKeyDown.bind(this), false);
328 this._popover = new WebInspector.Popover();
329 this._popover.setCanShrink(false);
330 this._popover.element.addEventListener("mousedown", consumeEvent, false);
332 this._hideProxy = this.hide.bind(this, true);
335 WebInspector.SpectrumPopupHelper.Events = {
339 WebInspector.SpectrumPopupHelper.prototype = {
341 * @return {!WebInspector.Spectrum}
345 return this._spectrum;
351 toggle: function(element, color, format)
353 if (this._popover.isShowing())
356 this.show(element, color, format);
358 return this._popover.isShowing();
364 show: function(element, color, format)
366 if (this._popover.isShowing()) {
367 if (this._anchorElement === element)
370 // Reopen the picker for another anchor element.
374 this._anchorElement = element;
376 this._spectrum.setColor(color);
377 this._spectrum._originalFormat = format !== WebInspector.Color.Format.Original ? format : color.format();
378 this.reposition(element);
380 document.addEventListener("mousedown", this._hideProxy, false);
381 window.addEventListener("blur", this._hideProxy, false);
385 reposition: function(element)
387 if (!this._previousFocusElement)
388 this._previousFocusElement = WebInspector.currentFocusElement();
389 this._popover.showView(this._spectrum, element);
390 WebInspector.setCurrentFocusElement(this._spectrum.element);
394 * @param {boolean=} commitEdit
396 hide: function(commitEdit)
398 if (!this._popover.isShowing())
400 this._popover.hide();
402 document.removeEventListener("mousedown", this._hideProxy, false);
403 window.removeEventListener("blur", this._hideProxy, false);
405 this.dispatchEventToListeners(WebInspector.SpectrumPopupHelper.Events.Hidden, !!commitEdit);
407 WebInspector.setCurrentFocusElement(this._previousFocusElement);
408 delete this._previousFocusElement;
410 delete this._anchorElement;
413 _onKeyDown: function(event)
415 if (event.keyIdentifier === "Enter") {
420 if (event.keyIdentifier === "U+001B") { // Escape key
426 __proto__: WebInspector.Object.prototype
431 * @param {boolean=} readOnly
433 WebInspector.ColorSwatch = function(readOnly)
435 this.element = document.createElement("span");
436 this._swatchInnerElement = this.element.createChild("span", "swatch-inner");
437 var shiftClickMessage = WebInspector.UIString("Shift-click to change color format.");
438 this.element.title = readOnly ? shiftClickMessage : String.sprintf("%s\n%s", WebInspector.UIString("Click to open a colorpicker."), shiftClickMessage);
439 this.element.className = "swatch";
440 this.element.addEventListener("mousedown", consumeEvent, false);
441 this.element.addEventListener("dblclick", consumeEvent, false);
444 WebInspector.ColorSwatch.prototype = {
446 * @param {string} colorString
448 setColorString: function(colorString)
450 this._swatchInnerElement.style.backgroundColor = colorString;