Created
May 22, 2013 19:04
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Backbone Marionette Regions Mixin
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| // Mix regions into Backbone Views that don't have them. | |
| var Mixins = { | |
| Regions: {} | |
| }; | |
| Mixins.Regions = function (parent) { | |
| var initialize = parent.prototype.initialize, | |
| render = parent.prototype.render, | |
| close = parent.prototype.close, | |
| functions = ['addRegion', 'addRegions', 'removeRegion', '_buildRegions', | |
| '_initializeRegions', '_reInitializeRegions', '_initRegionManager']; | |
| parent.prototype.initialize = function (options) { | |
| for(var func in functions) { | |
| parent.prototype[functions[func]] = Backbone.Marionette.Layout.prototype[functions[func]]; | |
| }; | |
| initialize.apply(this, arguments); | |
| this._firstRender = true; | |
| this._initializeRegions(options); | |
| }; | |
| parent.prototype.render = function () { | |
| render.apply(this, arguments); | |
| if (this._firstRender){ | |
| // if this is the first render, don't do anything to | |
| // reset the regions | |
| this._firstRender = false; | |
| } else if (this.isClosed){ | |
| // a previously closed layout means we need to | |
| // completely re-initialize the regions | |
| this._initializeRegions(); | |
| } else { | |
| // If this is not the first render call, then we need to | |
| // re-initializing the `el` for each region | |
| this._reInitializeRegions(); | |
| } | |
| }; | |
| parent.prototype.close = function () { | |
| if (this.isClosed){ return; } | |
| this.regionManager.close(); | |
| close.apply(this, arguments); | |
| } | |
| }; |
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