Created
December 16, 2009 15:18
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Harald Kirschner's (http://digitarald.de/) MooTools History (replaces HistoryManager)
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| #!/usr/bin/env sh | |
| curl -s http://digitarald.de/playground/history/History.js |ruby -e 'print STDIN.read.gsub(/\r/,"")' > History.js | |
| curl -s http://digitarald.de/playground/history/History.Routing.js |ruby -e 'print STDIN.read.gsub(/\r/,"")' > History.Routing.js |
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| /** | |
| * History | |
| * | |
| * @version 1.0 | |
| * | |
| * @license MIT License | |
| * @author Harald Kirschner <mail [at] digitarald.de> | |
| * @copyright 2008 Author | |
| */ | |
| var History = $extend(history, { | |
| implement: function(obj) { | |
| return $extend(this, obj); | |
| } | |
| }); | |
| History.implement(new Events($empty)); | |
| History.implement({ | |
| state: null, | |
| start: function() { | |
| if (this.started) return this; | |
| this.state = this.getHash(); | |
| if (Browser.Engine.trident) { | |
| var iframe = new Element('iframe', { | |
| 'src': "javascript:'<html></html>'", | |
| 'styles': { | |
| 'position': 'absolute', | |
| 'top': '-1000px' | |
| } | |
| }).inject(document.body).contentWindow; | |
| var writeState = function(state) { | |
| iframe.document.write('<html><body onload="top.History.$listener(\'', encodeURIComponent(state) ,'\');">Moo!</body></html>'); | |
| iframe.document.close(); | |
| }; | |
| $extend(this, { | |
| '$listener': function(state) { | |
| state = decodeURIComponent(state); | |
| if (this.state != state) this.setHash(state).changeState(state); | |
| }.bind(this), | |
| 'setState': function(state, force) { | |
| if (this.state != state || force) { | |
| if (!force) this.setHash(state).changeState(state, true); | |
| writeState(state); | |
| } | |
| return this; | |
| }, | |
| 'trace': function() { | |
| var state = this.getHash(); | |
| if (state != this.state) writeState(state); | |
| } | |
| }); | |
| var check = (function() { | |
| if (iframe.document && iframe.document.body) { | |
| check = $clear(check); | |
| if (!iframe.document.body.innerHTML) this.setState(this.state); | |
| } | |
| }).periodical(50, this); | |
| } else { | |
| if (Browser.Engine.presto915) { | |
| new Element('img', { | |
| 'src': "javascript:location.href='javascript:History.trace();';", | |
| 'styles': { | |
| 'position': 'absolute', | |
| 'top': '-1000px' | |
| } | |
| }).inject(document.body); | |
| } | |
| } | |
| this.trace.periodical(150, this); | |
| this.started = true; | |
| return this; | |
| }, | |
| changeState: function(state, manual) { | |
| var stateOld = this.state; | |
| this.state = state; | |
| this.fireEvent('changed', [state, stateOld, manual]); | |
| }, | |
| trace: function() { | |
| var state = this.getHash(); | |
| if (state != this.state) this.changeState(state); | |
| }, | |
| getHash: function() { | |
| var href = location.href, pos = href.indexOf('#') + 1; | |
| return (pos) ? href.substr(pos) : ''; | |
| }, | |
| setHash: function(state) { | |
| location.hash = '#' + state; | |
| return this; | |
| }, | |
| setState: function(state) { | |
| if (this.state !== state) this.setHash(state).changeState(state, true); | |
| return this; | |
| }, | |
| getState: function() { | |
| return this.state; | |
| } | |
| }); |
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| /** | |
| * History.Routing | |
| * | |
| * @version 2.0 | |
| * | |
| * @license MIT License | |
| * @author Harald Kirschner <mail [at] digitarald.de> | |
| * @copyright 2008 Author | |
| */ | |
| History.implement(new Options()); | |
| History.implement({ | |
| options: { | |
| separator: ';' | |
| }, | |
| routes: [], | |
| register: function(route) { | |
| if (this.routes.push(route) == 1) this.addEvent('changed', this.match); | |
| }, | |
| unregister: function(route) { | |
| this.routes.remove(route); | |
| }, | |
| match: function(state, previous, manual) { | |
| if (!manual) this.routes.each(Function.methodize('match', this.state)); | |
| }, | |
| generate: function() { | |
| return this.routes.map(Function.methodize('generate')).clean().join(this.options.separator); | |
| }, | |
| update: function() { | |
| return this.setState(this.generate()); | |
| } | |
| }); | |
| History.Route = new Class({ | |
| Implements: [Events, Options], | |
| /** | |
| * pattern: Regular expression that matches the string updated from onGenerate | |
| * defaults: Default values array, initially empty. | |
| * flags: When regexp is a String, this is the second argument for new RegExp. | |
| * skipDefaults: default true; generate is not called when current values are similar to the default values. | |
| * generate: Should return the string for the state string, values are first argument | |
| * onMatch: Will be called when the regexp matches, with the new values as argument. | |
| */ | |
| options: { | |
| skipDefaults: true, | |
| defaults: [], | |
| pattern: null, | |
| flags: '', | |
| generate: function(values) { | |
| return values[0]; | |
| }, | |
| onMatch: $empty | |
| }, | |
| initialize: function(options){ | |
| this.setOptions(options); | |
| this.pattern = this.options.pattern || '(.*)'; | |
| if ($type(this.pattern) == 'string') this.pattern = new RegExp(this.pattern, this.options.flags); | |
| this.values = this.defaults = this.options.defaults.slice(); | |
| History.register(this); | |
| return this; | |
| }, | |
| setValues: function(values) { | |
| if (this.values.toString() == values.toString()) return this; | |
| this.values = values; | |
| History.update(); | |
| return this; | |
| }, | |
| setValue: function(index, value) { | |
| if (this.values[index] == value) return this; | |
| this.values[index] = value; | |
| History.update(); | |
| return this; | |
| }, | |
| build: function(values) { | |
| var tmp = this.values.slice(); | |
| this.values = values; | |
| var state = History.generate(); | |
| this.values = tmp; | |
| return state; | |
| }, | |
| destroy: function() { | |
| History.unregister(this); | |
| }, | |
| generate: function() { | |
| if (this.options.skipDefaultMatch && (String(this.values) == String(this.defaults))) return null; | |
| return this.options.generate.call(this, this.values); | |
| }, | |
| match: function(state) { | |
| var bits = state.match(this.pattern); | |
| var defaults = this.defaults; | |
| if (bits) { | |
| bits.splice(0, 1); | |
| for (var i = 0, j = bits.length; i < j; i++) bits[i] = $pick(bits[i], defaults[i] || null); | |
| if (String(bits) != String(defaults)) this.values = bits; | |
| } else { | |
| this.values = this.defaults.slice(); | |
| } | |
| this.fireEvent('onMatch', [this.values, this.defaults]); | |
| } | |
| }); | |
| Function.methodize = function(name) { | |
| var args = Array.slice(arguments, 1); | |
| return function(obj) { | |
| return obj[name].apply(obj, args); | |
| }; | |
| }; |
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