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182 lines
5.6 KiB
182 lines
5.6 KiB
define(function () {
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'use strict';
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var palettesGroup = [];
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function getOffset(elem) {
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// Ugly hack to consider the palette margin.
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var style = elem.currentStyle || window.getComputedStyle(elem, '');
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// Remove 'px' from the strings.
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var x = -2 * style.marginLeft.slice(0, -2);
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var y = -1 * style.marginTop.slice(0, -2);
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var rect = elem.getBoundingClientRect();
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x += rect.left;
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y += rect.top;
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return {
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top: y,
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left: x,
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width: rect.width,
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height: rect.height
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};
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}
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var palette = {};
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palette.Palette = function (invoker, primaryText) {
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this.invoker = invoker;
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if (this.invoker.classList.contains("toolbutton")) {
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this.invoker.classList.add("invoker");
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}
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this.primaryText = primaryText;
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var paletteElem;
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var wrapperElem;
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var headerElem;
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var headerSeparatorElem;
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var containerElem;
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var that = this;
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palettesGroup.push(this);
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invoker.addEventListener('click', function (event) {
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if (!that.invoker.classList.contains("toolbutton")) {
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updatePosition(event.x, event.y);
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}
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that.toggle();
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});
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function updatePosition(clickX, clickY) {
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var paletteX;
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var paletteY;
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if (typeof (clickX) !== 'undefined' &&
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typeof (clickY) !== 'undefined') {
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paletteX = clickX;
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paletteY = clickY;
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} else {
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var invokerOffset = getOffset(that.invoker);
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paletteX = invokerOffset.left;
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paletteY = invokerOffset.top;
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}
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paletteElem.style.left = paletteX + "px";
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paletteElem.style.top = paletteY + "px";
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}
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// A palette element can have a header, content, one or both.
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function createPaletteElement() {
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if (paletteElem !== undefined) {
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return;
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}
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paletteElem = document.createElement('div');
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paletteElem.className = "palette";
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paletteElem.style.visibility = "hidden";
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document.body.appendChild(paletteElem);
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if (that.invoker.classList.contains("toolbutton")) {
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var invokerElem = document.createElement('div');
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invokerElem.className = "palette-invoker";
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var style = that.invoker.currentStyle ||
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window.getComputedStyle(that.invoker, '');
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invokerElem.style.backgroundImage = style.backgroundImage;
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invokerElem.addEventListener('click', function (e) {
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that.toggle();
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});
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paletteElem.appendChild(invokerElem);
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}
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wrapperElem = document.createElement('div');
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wrapperElem.className = "wrapper";
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paletteElem.appendChild(wrapperElem);
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if (that.primaryText !== undefined) {
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headerElem = document.createElement('div');
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headerElem.className = "header";
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headerElem.innerText = that.primaryText;
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wrapperElem.appendChild(headerElem);
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}
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headerSeparatorElem = document.createElement('hr');
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headerSeparatorElem.className = "header-separator";
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headerSeparatorElem.style.display = "none";
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wrapperElem.appendChild(headerSeparatorElem);
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containerElem = document.createElement('div');
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containerElem.className = "container";
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wrapperElem.appendChild(containerElem);
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updatePosition();
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}
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this.getPalette = function () {
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if (paletteElem === undefined) {
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createPaletteElement();
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}
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return paletteElem;
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};
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this.setContent = function (elementsList) {
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if (paletteElem === undefined) {
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createPaletteElement();
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}
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(function removePreviousContent() {
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for (var i = 0; i < containerElem.children.length; i++) {
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var child = containerElem.children[i];
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containerElem.removeChild(child);
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}
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}());
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(function addNewContent() {
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for (var i = 0; i < elementsList.length; i++) {
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var child = elementsList[i];
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containerElem.appendChild(child);
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}
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}());
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// The header separator will be visible only if there are
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// both, header and content.
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if (elementsList.length > 0 && this.primaryText !== undefined) {
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headerSeparatorElem.style.display = "block";
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} else {
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headerSeparatorElem.style.display = "none";
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}
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};
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this.isDown = function () {
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return paletteElem === undefined ||
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paletteElem.style.visibility == "hidden";
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};
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};
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palette.Palette.prototype.popUp = function () {
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for (var i = 0; i < palettesGroup.length; i++) {
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var otherPalette = palettesGroup[i];
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if (otherPalette != this) {
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otherPalette.popDown();
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}
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}
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this.getPalette().style.visibility = "visible";
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};
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palette.Palette.prototype.popDown = function () {
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this.getPalette().style.visibility = "hidden";
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};
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palette.Palette.prototype.toggle = function () {
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if (this.isDown()) {
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this.popUp();
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} else {
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this.popDown();
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}
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};
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return palette;
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});
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