662 lines
20 KiB
JavaScript
662 lines
20 KiB
JavaScript
define([
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'jquery',
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'underscore',
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'utils',
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'constants',
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'settings',
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'eventMgr',
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'crel',
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'mousetrap',
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'hammerjs'
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], function($, _, utils, constants, settings, eventMgr, crel, mousetrap, hammer) {
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var layout = {};
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var resizerSize = 32;
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var togglerSize = 60;
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var navbarHeight = 50;
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var editorMinSize = {
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width: 250,
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height: 140
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};
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var previewMinSize = {
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width: 330,
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height: 160
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};
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var menuPanelWidth = 280;
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var documentPanelWidth = 320;
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var titleMinWidth = 200;
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var previewButtonsDropdownMargin = 130;
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var previewButtonsOffset = {
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x: -45,
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y: -6
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};
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var windowSize;
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var wrapperL1, wrapperL2, wrapperL3;
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var navbar, menuPanel, documentPanel, editor, previewPanel, previewContainer, navbarToggler, previewToggler, previewResizer, previewButtons;
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var animate = false;
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function startAnimation() {
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animate = true;
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wrapperL1.$elt.addClass('layout-animate');
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}
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function endAnimation() {
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animate = false;
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wrapperL1.$elt.removeClass('layout-animate');
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}
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function DomObject(selector) {
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this.selector = selector;
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this.elt = document.querySelector(selector);
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this.$elt = $(this.elt);
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}
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var transitionEndTimeoutId;
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var transitionEndCallbacks = [];
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function onTransitionEnd(evt) {
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if(!evt ||
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evt.target === wrapperL1.elt ||
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evt.target === wrapperL2.elt ||
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evt.target === previewPanel.elt
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) {
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transitionEndCallbacks.forEach(function(callback) {
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callback();
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});
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endAnimation();
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transitionEndCallbacks.length !== 0 && onResize();
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transitionEndCallbacks = [];
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}
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}
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DomObject.prototype.applyCss = function() {
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// Top/left/Bottom/Right
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this.top !== undefined && (this.elt.style.top = this.top + 'px');
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this.left !== undefined && (this.elt.style.left = this.left + 'px');
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this.bottom !== undefined && (this.elt.style.bottom = this.bottom + 'px');
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this.right !== undefined && (this.elt.style.right = this.right + 'px');
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// Translate
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if(this.x !== undefined || this.y !== undefined) {
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this.x = this.x || 0;
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this.y = this.y || 0;
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this.elt.style['-webkit-transform'] = 'translate(' + this.x + 'px, ' + this.y + 'px)';
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this.elt.style['-ms-transform'] = 'translate(' + this.x + 'px, ' + this.y + 'px)';
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this.elt.style.transform = 'translate(' + this.x + 'px, ' + this.y + 'px)';
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}
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// Width (deferred when animate if new width is smaller)
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if(animate && this.width < this.oldWidth) {
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transitionEndCallbacks.push(_.bind(function() {
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this.elt.style.width = this.width + 'px';
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}, this));
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}
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else {
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this.width !== undefined && (this.elt.style.width = this.width + 'px');
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}
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this.oldWidth = this.width;
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// Height (deferred when animate if new height is smaller)
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if(animate && this.height < this.oldHeight) {
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transitionEndCallbacks.push(_.bind(function() {
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this.elt.style.height = this.height + 'px';
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}, this));
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}
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else {
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this.height !== undefined && (this.elt.style.height = this.height + 'px');
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}
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this.oldHeight = this.height;
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// Just in case transitionEnd event doesn't happen
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clearTimeout(transitionEndTimeoutId);
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animate && (transitionEndTimeoutId = setTimeout(onTransitionEnd, 800));
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};
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DomObject.prototype.createToggler = function(backdrop) {
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var backdropElt;
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var pushedEvents = 0;
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this.toggle = function(show) {
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if(show === this.isOpen) {
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return;
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}
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this.isOpen = _.isBoolean(show) ? show : !this.isOpen;
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if(this.isOpen) {
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this.$elt.addClass('panel-open').trigger('show.layout.toggle');
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if(backdrop) {
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$(backdropElt = utils.createBackdrop(wrapperL1.elt)).click(_.bind(function() {
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this.toggle(false);
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}, this));
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this.$elt.addClass('bring-to-front');
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}
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transitionEndCallbacks.push(_.bind(function() {
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if(--pushedEvents === 0) {
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this.isOpen && this.$elt.trigger('shown.layout.toggle');
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}
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}, this));
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}
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else {
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this.$elt.trigger('hide.layout.toggle');
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backdropElt && backdropElt.removeBackdrop();
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backdropElt = undefined;
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transitionEndCallbacks.push(_.bind(function() {
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if(--pushedEvents === 0) {
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!this.isOpen && this.$elt.removeClass('panel-open bring-to-front').trigger('hidden.layout.toggle');
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}
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}, this));
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}
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pushedEvents++;
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startAnimation();
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resizeAll();
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};
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};
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DomObject.prototype.initHammer = function(drag) {
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this.hammer = hammer(this.elt, {
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drag: drag ? true : false,
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drag_max_touches: 0,
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gesture: false,
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hold: false,
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release: false,
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swipe: drag ? false : true,
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tap: false,
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touch: false,
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transform: false
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});
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};
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var maxWidthMap = [
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{ screenWidth: 0, maxWidth: 600 * settings.maxWidthRatio },
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{ screenWidth: 1000, maxWidth: 700 * settings.maxWidthRatio },
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{ screenWidth: 1200, maxWidth: 800 * settings.maxWidthRatio },
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{ screenWidth: 1400, maxWidth: 900 * settings.maxWidthRatio }
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];
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var maxWidthMapReversed = maxWidthMap.slice(0).reverse();
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function getMaxWidth() {
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return _.find(maxWidthMapReversed, function(value) {
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return windowSize.width > value.screenWidth;
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}).maxWidth;
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}
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var editorContentElt;
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var previewContentElt;
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var editorMarginElt;
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var navbarInnerElt;
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var navbarDropdownElt;
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var $navbarDropdownBtnElt;
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var navbarTitleContainerElt;
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var $navbarTitleElt;
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var navbarBtnGroups = [];
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var navbarBtnGroupsWidth = [
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80,
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80,
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160,
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160,
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80,
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40
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].map(function(width) {
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return width + 18; // Add margin
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});
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var navbarMarginWidth = 18 * 2 + 25 + 25;
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var buttonsDropdownWidth = 40;
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var workingIndicatorWidth = 18 + 70;
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function onResize() {
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var paddingBottom = wrapperL3.height - 60;
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var editorPadding = (editor.elt.offsetWidth - getMaxWidth()) / 2;
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if(editorPadding < constants.EDITOR_DEFAULT_PADDING) {
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editorPadding = constants.EDITOR_DEFAULT_PADDING;
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}
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editorContentElt.style.paddingLeft = editorPadding + 'px';
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editorContentElt.style.paddingRight = editorPadding + 'px';
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editorContentElt.style.paddingBottom = paddingBottom + 'px';
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editorMarginElt.style.width = editorPadding + 'px';
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var previewPadding = (previewContainer.elt.offsetWidth - getMaxWidth()) / 2;
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if(previewPadding < constants.EDITOR_DEFAULT_PADDING) {
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previewPadding = constants.EDITOR_DEFAULT_PADDING;
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}
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previewContentElt.style.paddingLeft = previewPadding + 'px';
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previewContentElt.style.paddingRight = previewPadding + 'px';
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previewContentElt.style.paddingBottom = paddingBottom + 'px';
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var maxWidth = navbarMarginWidth + workingIndicatorWidth + titleMinWidth + buttonsDropdownWidth;
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var titleWidth = windowSize.width - maxWidth + titleMinWidth;
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navbarBtnGroups.forEach(function(group, index) {
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maxWidth += group.width;
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index === navbarBtnGroups.length - 1 && (maxWidth -= buttonsDropdownWidth);
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if(windowSize.width < maxWidth) {
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navbarDropdownElt.appendChild(group.elt);
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}
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else {
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navbarInnerElt.insertBefore(group.elt, navbarTitleContainerElt);
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titleWidth = windowSize.width - maxWidth + titleMinWidth;
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}
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});
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$navbarTitleElt.css({
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maxWidth: titleWidth
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});
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$navbarDropdownBtnElt.toggleClass('hide', navbarDropdownElt.children.length === 0);
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eventMgr.onLayoutResize();
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}
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var isVertical = settings.layoutOrientation == "vertical";
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function resizeAll() {
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windowSize = {
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width: window.innerWidth,
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height: window.innerHeight
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};
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while(true) {
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// Layout wrapper level 1
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wrapperL1.y = navbar.isOpen ? 0 : -navbarHeight;
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wrapperL1.x = menuPanel.isOpen ? 0 : documentPanel.isOpen ? -(menuPanelWidth + documentPanelWidth) : -menuPanelWidth;
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wrapperL1.width = windowSize.width + menuPanelWidth + documentPanelWidth;
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wrapperL1.height = windowSize.height - wrapperL1.y;
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// Layout wrapper level 2
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wrapperL2.left = menuPanelWidth;
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wrapperL2.width = windowSize.width;
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wrapperL2.height = wrapperL1.height;
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// Layout wrapper level 3
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wrapperL3.top = navbarHeight;
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wrapperL3.width = windowSize.width;
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wrapperL3.height = wrapperL1.height - navbarHeight;
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wrapperL1.applyCss();
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wrapperL2.applyCss();
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wrapperL3.applyCss();
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if(window.viewerMode) {
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previewPanel.width = wrapperL3.width;
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previewPanel.height = wrapperL3.height;
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previewContainer.width = wrapperL3.width;
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previewContainer.height = wrapperL3.height;
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previewPanel.applyCss();
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previewContainer.applyCss();
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return onResize();
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}
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if(navbar.isOpen && wrapperL3.height < editorMinSize.height + resizerSize) {
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navbar.isOpen = false;
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navbar.$elt.trigger('hide.layout.toggle').trigger('hidden.layout.toggle');
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continue;
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}
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if(isVertical) {
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if(!previewPanel.isOpen) {
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previewPanel.y = wrapperL3.height - resizerSize;
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}
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else {
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if(previewPanel.halfSize) {
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previewPanel.height = (wrapperL3.height + resizerSize) / 2;
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}
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if(previewPanel.height < previewMinSize.height) {
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previewPanel.height = previewMinSize.height;
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}
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previewPanel.y = wrapperL3.height - previewPanel.height;
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if(previewPanel.y < editorMinSize.height) {
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var previewPanelHeight = wrapperL3.height - editorMinSize.height;
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if(previewPanelHeight < previewMinSize.height) {
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previewPanel.isOpen = false;
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previewPanel.$elt.trigger('hide.layout.toggle').trigger('hidden.layout.toggle');
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continue;
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}
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previewPanel.height = previewPanelHeight;
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previewPanel.y = wrapperL3.height - previewPanel.height;
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}
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}
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previewPanel.width = wrapperL3.width;
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editor.height = previewPanel.y;
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editor.width = wrapperL3.width;
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previewContainer.top = resizerSize;
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previewContainer.height = previewPanel.height - resizerSize;
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previewContainer.width = previewPanel.width;
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navbarToggler.width = togglerSize;
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previewToggler.width = togglerSize;
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previewToggler.x = (previewPanel.width - togglerSize) / 2;
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previewResizer.width = previewContainer.width;
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}
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else {
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if(!previewPanel.isOpen) {
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previewPanel.x = wrapperL3.width - resizerSize;
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}
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else {
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if(previewPanel.halfSize) {
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previewPanel.width = (wrapperL3.width + resizerSize) / 2;
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}
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if(previewPanel.width < previewMinSize.width) {
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previewPanel.width = previewMinSize.width;
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}
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previewPanel.x = wrapperL3.width - previewPanel.width;
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if(previewPanel.x < editorMinSize.width) {
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var previewPanelWidth = wrapperL3.width - editorMinSize.width;
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if(previewPanelWidth < previewMinSize.width) {
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previewPanel.isOpen = false;
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previewPanel.$elt.trigger('hide.layout.toggle').trigger('hidden.layout.toggle');
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continue;
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}
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previewPanel.width = previewPanelWidth;
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previewPanel.x = wrapperL3.width - previewPanel.width;
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}
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}
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previewPanel.height = wrapperL3.height;
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editor.width = previewPanel.x;
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editor.height = wrapperL3.height;
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previewContainer.left = resizerSize;
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previewContainer.width = previewPanel.width - resizerSize;
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previewContainer.height = previewPanel.height;
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navbarToggler.height = togglerSize;
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previewToggler.height = togglerSize;
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previewToggler.y = (previewPanel.height - togglerSize) / 2;
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previewResizer.height = previewContainer.height;
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}
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break;
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}
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navbarToggler.$elt.toggleClass('open', navbar.isOpen);
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previewToggler.$elt.toggleClass('open', previewPanel.isOpen);
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previewResizer.$elt.toggleClass('open', previewPanel.isOpen);
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editor.applyCss();
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previewPanel.applyCss();
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previewContainer.applyCss();
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previewToggler.applyCss();
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previewResizer.applyCss();
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navbarToggler.applyCss();
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previewButtons.adjustPosition();
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onResize();
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}
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layout.init = function() {
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// Tweak the body element
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(function(bodyStyle) {
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bodyStyle.position = 'absolute';
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bodyStyle.top = 0;
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bodyStyle.left = 0;
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bodyStyle.bottom = 0;
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bodyStyle.right = 0;
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bodyStyle.overflow = 'hidden';
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})(document.body.style);
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document.documentElement.style.overflow = 'hidden';
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wrapperL1 = new DomObject('.layout-wrapper-l1');
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wrapperL2 = new DomObject('.layout-wrapper-l2');
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wrapperL3 = new DomObject('.layout-wrapper-l3');
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navbar = new DomObject('.navbar');
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menuPanel = new DomObject('.menu-panel');
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documentPanel = new DomObject('.document-panel');
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editor = new DomObject('#wmd-input');
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previewPanel = new DomObject('.preview-panel');
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previewContainer = new DomObject('.preview-container');
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navbarToggler = new DomObject('.layout-toggler-navbar');
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previewToggler = new DomObject('.layout-toggler-preview');
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previewResizer = new DomObject('.layout-resizer-preview');
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previewButtons = new DomObject('.extension-preview-buttons');
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editorContentElt = editor.elt.querySelector('.editor-content');
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previewContentElt = document.getElementById('preview-contents');
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editorMarginElt = editor.elt.querySelector('.editor-margin');
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navbarInnerElt = navbar.elt.querySelector('.navbar-inner');
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navbarDropdownElt = navbar.elt.querySelector('.buttons-dropdown .dropdown-menu');
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$navbarDropdownBtnElt = navbar.$elt.find('.buttons-dropdown');
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navbarTitleContainerElt = navbar.elt.querySelector('.title-container');
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$navbarTitleElt = navbar.$elt.find('.file-title-navbar, .input-file-title');
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_.each(navbar.elt.querySelectorAll('.right-buttons'), function(btnGroupElt) {
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navbarBtnGroups.push({
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elt: btnGroupElt,
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width: navbarBtnGroupsWidth.shift()
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});
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});
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_.each(navbar.elt.querySelectorAll('.left-buttons'), function(btnGroupElt) {
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navbarBtnGroups.push({
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elt: btnGroupElt,
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width: navbarBtnGroupsWidth.shift()
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});
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});
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wrapperL1.$elt.toggleClass('layout-vertical', isVertical);
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wrapperL1.$elt.on("webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend", onTransitionEnd);
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navbar.isOpen = true;
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navbar.createToggler();
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navbarToggler.$elt.click(_.bind(navbar.toggle, navbar));
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previewPanel.isOpen = true;
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previewPanel.createToggler();
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previewPanel.halfSize = true;
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previewToggler.$elt.click(_.bind(previewPanel.toggle, previewPanel));
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// Open StackEdit Viewer if failing to open the preview
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previewPanel.$elt.on('show.layout.toggle', function() {
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_.defer(function() {
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if(!previewPanel.isOpen) {
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window.location.href = 'viewer';
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}
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});
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});
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documentPanel.isOpen = false;
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documentPanel.createToggler(true);
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documentPanel.$elt.find('.toggle-button').click(_.bind(documentPanel.toggle, documentPanel));
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// Hide panels when clicking on a non collapse element
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documentPanel.$elt.on('click', 'a[data-toggle!=collapse]', _.bind(documentPanel.toggle, documentPanel, false));
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// Focus on editor when document panel is closed
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documentPanel.$elt.on('hidden.layout.toggle', function() {
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editor.elt.focus();
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});
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menuPanel.isOpen = false;
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if(!window.viewerMode) {
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menuPanel.createToggler(true);
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menuPanel.$elt.find('.toggle-button').click(_.bind(menuPanel.toggle, menuPanel));
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// Hide panels when clicking on a non collapse element
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menuPanel.$elt.on('click', 'a[data-toggle!=collapse]', _.bind(menuPanel.toggle, menuPanel, false));
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// Close all open sub-menus when one submenu opens and when panel is closed
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menuPanel.$elt.on('show.bs.collapse hidden.layout.toggle', function() {
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menuPanel.$elt.find('.in').collapse('hide');
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});
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// Focus on editor when menu panel is closed
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menuPanel.$elt.on('hidden.layout.toggle', function() {
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editor.elt.focus();
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});
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// Gesture
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/*
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navbar.initHammer();
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menuPanel.initHammer();
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documentPanel.initHammer();
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previewButtons.initHammer();
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navbar.hammer.on('swiperight', _.bind(menuPanel.toggle, menuPanel, true));
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navbar.hammer.on('swipeleft', _.bind(documentPanel.toggle, documentPanel, true));
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navbar.hammer.on('swipeup', _.bind(navbar.toggle, navbar, false));
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menuPanel.hammer.on('swiperight', _.bind(menuPanel.toggle, menuPanel, true));
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menuPanel.hammer.on('swipeleft', _.bind(menuPanel.toggle, menuPanel, false));
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documentPanel.hammer.on('swipeleft', _.bind(documentPanel.toggle, documentPanel, true));
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documentPanel.hammer.on('swiperight', _.bind(documentPanel.toggle, documentPanel, false));
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*/
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previewResizer.initHammer(true);
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var resizerInitialSize;
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previewResizer.hammer.on('dragstart', function() {
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resizerInitialSize = {
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width: previewPanel.width,
|
|
height: previewPanel.height
|
|
};
|
|
}).on('drag', function(evt) {
|
|
if(isVertical) {
|
|
previewPanel.height = resizerInitialSize.height - evt.gesture.deltaY;
|
|
}
|
|
else {
|
|
previewPanel.width = resizerInitialSize.width - evt.gesture.deltaX;
|
|
}
|
|
evt.gesture.preventDefault();
|
|
previewPanel.halfSize = false;
|
|
resizeAll();
|
|
});
|
|
}
|
|
|
|
previewButtons.initHammer(true);
|
|
previewButtons.adjustPosition = function() {
|
|
if(!previewButtons.isDragged) {
|
|
return;
|
|
}
|
|
var minX = -windowSize.width + previewButtons.elt.offsetWidth;
|
|
var minY = -windowSize.height + previewButtons.elt.offsetHeight;
|
|
this.x < minX && (this.x = minX);
|
|
this.y < minY && (this.y = minY);
|
|
this.x > 0 && (this.x = 0);
|
|
this.y > 0 && (this.y = 0);
|
|
this.applyCss();
|
|
};
|
|
|
|
|
|
var buttonsInitialCoord;
|
|
previewButtons.hammer.on('dragstart', function() {
|
|
previewButtons.isDragged = true;
|
|
previewButtons.$elt.removeClass('animate');
|
|
wrapperL2.$elt.addClass('dragging');
|
|
buttonsInitialCoord = {
|
|
x: previewButtons.x,
|
|
y: previewButtons.y
|
|
};
|
|
}).on('drag', function(evt) {
|
|
previewButtons.x = buttonsInitialCoord.x + evt.gesture.deltaX;
|
|
previewButtons.y = buttonsInitialCoord.y + evt.gesture.deltaY;
|
|
previewButtons.adjustPosition();
|
|
evt.gesture.preventDefault();
|
|
}).on('dragend', function() {
|
|
wrapperL2.$elt.removeClass('dragging');
|
|
previewButtons.$elt.find('.btn-group').toggleClass('dropup', windowSize.height / 2 > -previewButtons.y);
|
|
});
|
|
|
|
var isModalShown = false;
|
|
$('.modal').on('show.bs.modal', function() {
|
|
// Close panel if open
|
|
menuPanel.toggle(false);
|
|
documentPanel.toggle(false);
|
|
isModalShown = true;
|
|
}).on('hidden.bs.modal', function() {
|
|
isModalShown = false;
|
|
});
|
|
|
|
// Configure Mousetrap
|
|
mousetrap.stopCallback = function() {
|
|
return menuPanel.isOpen || documentPanel.isOpen || isModalShown;
|
|
};
|
|
|
|
$(window).resize(resizeAll).focus(function() {
|
|
if(!menuPanel.isOpen && !documentPanel.isOpen && !isModalShown) {
|
|
editor.elt.focus();
|
|
}
|
|
});
|
|
|
|
var styleContent = '';
|
|
|
|
// Apply font
|
|
function applyFont(size, screenWidth) {
|
|
screenWidth = screenWidth || 0;
|
|
styleContent += [
|
|
'@media (min-width: ' + screenWidth + 'px) {',
|
|
'#wmd-input {',
|
|
' font-size: ' + size + 'px;',
|
|
'}',
|
|
'#preview-contents {',
|
|
' font-size: ' + size + 'px;',
|
|
'}',
|
|
'}'
|
|
].join('\n');
|
|
}
|
|
|
|
applyFont(16 * settings.fontSizeRatio);
|
|
applyFont(17 * settings.fontSizeRatio, 600);
|
|
applyFont(18 * settings.fontSizeRatio, 1200);
|
|
|
|
// Apply dynamic stylesheet
|
|
var style = crel('style', {
|
|
type: 'text/css'
|
|
});
|
|
style.innerHTML = styleContent;
|
|
document.head.appendChild(style);
|
|
|
|
resizeAll();
|
|
};
|
|
|
|
eventMgr.addListener('onReady', function() {
|
|
previewButtons.x = previewButtonsOffset.x;
|
|
previewButtons.y = previewButtonsOffset.y;
|
|
previewButtons.applyCss();
|
|
|
|
function openPreviewButtons() {
|
|
clearTimeout(closeTimeoutId);
|
|
if(!previewButtons.isDragged) {
|
|
previewButtons.x = previewButtonsOffset.x;
|
|
previewButtons.applyCss();
|
|
}
|
|
}
|
|
|
|
var closeTimeoutId;
|
|
var dropdownOpen = false;
|
|
|
|
function closePreviewButtons() {
|
|
clearTimeout(closeTimeoutId);
|
|
closeTimeoutId = setTimeout(function() {
|
|
if(!previewButtons.isDragged && !dropdownOpen) {
|
|
previewButtons.$elt.addClass('animate');
|
|
previewButtons.x = previewButtonsOffset.x + previewButtons.elt.offsetWidth;
|
|
previewButtons.applyCss();
|
|
}
|
|
}, 3000);
|
|
}
|
|
|
|
closePreviewButtons();
|
|
previewButtons.$elt.hover(openPreviewButtons, closePreviewButtons).on('show.bs.dropdown', function() {
|
|
dropdownOpen = true;
|
|
}).on('hidden.bs.dropdown', function() {
|
|
dropdownOpen = false;
|
|
closePreviewButtons();
|
|
});
|
|
|
|
_.each(previewButtons.elt.querySelectorAll('.btn-group'), function(btnGroupElt) {
|
|
var $btnGroupElt = $(btnGroupElt);
|
|
$btnGroupElt.on('shown.bs.dropdown', function() {
|
|
// Align dropdown to the left of the screen
|
|
$btnGroupElt.find('.dropdown-menu').css({
|
|
right: -previewButtons.elt.offsetWidth + $btnGroupElt.width() + $btnGroupElt.position().left
|
|
});
|
|
var maxHeight = -previewButtons.y - previewButtonsDropdownMargin;
|
|
// If it's a dropup
|
|
if(windowSize.height / 2 > -previewButtons.y) {
|
|
maxHeight = windowSize.height + previewButtons.y - previewButtons.elt.offsetHeight - previewButtonsDropdownMargin;
|
|
}
|
|
$btnGroupElt.find('.markdown-syntax, .table-of-contents').css({
|
|
'maxHeight': maxHeight
|
|
});
|
|
}).addClass('dropup');
|
|
});
|
|
});
|
|
|
|
eventMgr.onLayoutCreated(layout);
|
|
return layout;
|
|
});
|