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69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
//TODO: rewrite WSynchro module and export
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/** WSynchro object to synchronize windows
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* - windows: array of windows to synchro (
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* - source: the window source (undefined if first window)
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*/
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if (!window.WSynchro) {
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var WSynchro = { windows: [] };
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}
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/** Open a new window to synchronize
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* @param {url|undefined} url to open, default current window url
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* @param {specs|undefined|null} specs (as for window.open), undefined to open in a new window, null to open in a new tab, default new window
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*/
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WSynchro.open = function (href, specs)
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{ var w = window.open (href || window.location.href, "_blank", typeof(specs)=="undefined"? "location=1,menubar=1,toolbar=1,scrollbars=1" : specs);
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if (!w.WSynchro) w.WSynchro = { windows: [ window ], source:window };
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else
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{ w.WSynchro.windows = [ window ];
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w.WSynchro.source = window;
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}
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this.windows.push(w);
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}
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/** Trigger function
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* @param {synchronize}
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* @param {function} synchronize function
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*/
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WSynchro.on = function (e, syncFn)
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{ if (!this.syncFn_) this.syncFn_ = [];
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if (e==='synchronize') this.syncFn_.push(syncFn);
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}
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/** Synchronize windows
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* @param {Object|undefined} if undefined stop synchro (when the window is synchronize)
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*/
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WSynchro.synchronize = function(params)
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{ this.synchronize_ (params);
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}
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/** Synchronize windows:
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* @param {Array} array of arguments to use with fn
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* @param {} internal syncrho time to avoid stnchro loops
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* @private
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*/
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WSynchro.synchronize_ = function(args, sync) {
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var i;
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// Stop condition
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if (!sync)
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{ if (this.synchronizing) sync = this.sync;
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else this.sync = sync = (new Date()).getTime();
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this.synchronizing = false;
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}
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else
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{ // Don't synchronize twice
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if (sync == this.sync) return;
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this.sync = sync;
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this.synchronizing = true;
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try
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{ if (WSynchro.syncFn_)
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{ args.type = "synchronize";
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for (i=0; i<WSynchro.syncFn_.length; i++)
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{ WSynchro.syncFn_[i].apply (null, [args]);
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}
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}
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} catch(e) { /* */ }
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}
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if (args) for (i=0; i<this.windows.length; i++)
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{ try
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{ this.windows[i].WSynchro.synchronize_(args, sync);
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} catch(e) { /* */ }
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}
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}
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