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/** |
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* The constructor. |
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* See Mivhal.defaults for available options. |
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* |
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* @param {DOMElement} selection |
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* @param {Object} options |
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*/ |
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function Mivhak( selection, options ) |
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{ |
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// Bail if there are no resources |
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if(!selection.getElementsByTagName('PRE').length) return; |
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this.$selection = $( selection ); |
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this.setOptions( options ); |
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this.init(); |
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} |
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/** |
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* Check if a given string represents a supported method |
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* @param {string} method |
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*/ |
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Mivhak.methodExists = function( method ) |
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{ |
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return typeof method === 'string' && Mivhak.methods[method]; |
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}; |
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/** |
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* Initiate the code viewer. |
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*/ |
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Mivhak.prototype.init = function() |
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{ |
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this.initState(); |
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this.parseResources(); |
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this.createUI(); |
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this.applyOptions(); |
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this.callMethod('showTab',0); // Show first tab initially |
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}; |
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/** |
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* Apply the options that were set by the user. This function is called when |
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* Mivhak is initiated, and every time the options are updated. |
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*/ |
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Mivhak.prototype.applyOptions = function() |
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{ |
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this.callMethod('setHeight', this.options.height); |
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this.callMethod('setAccentColor', this.options.accentColor); |
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if(this.options.collapsed) this.callMethod('collapse'); |
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if(!this.options.topbar) this.$selection.addClass('mivhak-no-topbar'); |
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else this.$selection.removeClass('mivhak-no-topbar'); |
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this.createCaption(); |
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this.createLivePreview(); |
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}; |
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/** |
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* Initiate this instance's state. |
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*/ |
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Mivhak.prototype.initState = function() |
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{ |
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this.state = { |
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lineWrap: true, |
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collapsed: false, |
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height: 0, |
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activeTab: null, // Updated by tabs.showTab |
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resources: [] // Generated by parseResources() |
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}; |
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}; |
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/** |
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* Set or update this instance's options. |
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* @param {object} options |
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*/ |
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Mivhak.prototype.setOptions = function( options ) |
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{ |
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// If options were already set, update them |
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if( typeof this.options !== 'undefined' ) |
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this.options = $.extend(true, {}, this.options, options, readAttributes(this.$selection[0])); |
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// Otherwise, merge them with the defaults |
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else this.options = $.extend(true, {}, Mivhak.defaults, options, readAttributes(this.$selection[0])); |
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}; |
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/** |
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* Call one of Mivhak's methods. See Mivhak.methods for available methods. |
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* To apply additional arguments, simply pass the arguments after the methodName |
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* i.e. callMethod('methodName', arg1, arg2). |
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* This method is also called internally when making a method call through jQuery |
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* i.e. $('#el').mivhak('methodName', arg1, arg2); |
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* |
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* @param {string} methodName |
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*/ |
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Mivhak.prototype.callMethod = function( methodName ) |
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{ |
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if(Mivhak.methodExists(methodName)) |
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{ |
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// Call the method with the original arguments, removing the method's name from the list |
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var args = []; |
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Array.prototype.push.apply( args, arguments ); |
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args.shift(); |
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Mivhak.methods[methodName].apply(this, args); |
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} |
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}; |
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/** |
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* Create the user interface. |
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*/ |
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Mivhak.prototype.createUI = function() |
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{ |
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this.tabs = Mivhak.render('tabs',{mivhakInstance: this}); |
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this.topbar = Mivhak.render('top-bar',{mivhakInstance: this}); |
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this.notifier = Mivhak.render('notifier'); |
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this.$selection.prepend(this.tabs.$el); |
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this.$selection.prepend(this.topbar.$el); |
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this.tabs.$el.prepend(this.notifier.$el); |
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}; |
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/** |
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* Calculate the height in pixels. |
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* |
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* auto: Automatically calculate the height based on the number of lines. |
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* min: Calculate the height based on the height of the tab with the maximum number of lines |
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* max: Calculate the height based on the height of the tab with the minimum number of lines |
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* average: Calculate the height based on the average height of all tabs |
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* |
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* @param {string|number} h One of (auto|min|max|average) or a custom number |
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* @returns {Number} |
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*/ |
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Mivhak.prototype.calculateHeight = function(h) |
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{ |
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var heights = [], |
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padding = this.options.padding*2, |
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i = this.tabs.tabs.length; |
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while(i--) |
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heights.unshift(getEditorHeight($(this.tabs.tabs[i].resource.pre))+padding); |
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if('average' === h) return average(heights); |
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if('min' === h) return min(heights); |
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if('max' === h) return max(heights); |
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if('auto' === h) return getEditorHeight($(this.activeTab.resource.pre))+padding; |
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if(!isNaN(h)) return parseInt(h); |
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return heights[0]; |
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}; |
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/** |
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* Loop through each PRE element inside this.$selection and store it's options |
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* in this.resources, merging it with the default option values. |
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*/ |
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Mivhak.prototype.parseResources = function() |
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{ |
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var $this = this; |
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this.resources = new Resources(); |
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this.$selection.find('pre').each(function(){ |
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$this.resources.add(this); |
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}); |
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}; |
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Mivhak.prototype.createCaption = function() |
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{ |
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if(this.options.caption) |
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{ |
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if(!this.caption) |
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{ |
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this.caption = Mivhak.render('caption',{text: this.options.caption}); |
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this.$selection.append(this.caption.$el); |
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} |
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else this.caption.setText(this.options.caption); |
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} |
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else this.$selection.addClass('mivhak-no-caption'); |
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}; |
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/** |
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* Create the live preview iframe window |
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*/ |
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Mivhak.prototype.createLivePreview = function() |
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{ |
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if(this.options.runnable && typeof this.preview === 'undefined') |
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{ |
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this.preview = Mivhak.render('live-preview',{resources: this.resources}); |
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this.tabs.$el.append(this.preview.$el); |
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} |
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}; |
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/** |
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* Remove all generated elements, data and events. |
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* |
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* TODO: keep initial HTML |
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*/ |
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Mivhak.prototype.destroy = function() |
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{ |
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this.$selection.empty(); |
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}; |
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196
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/* test-code */ |
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testapi.mivhak = Mivhak; |
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/* end-test-code */ |
askupasoftware /
mivhak.js
