Diffstat (limited to 'frontend/gamma/js/Clipperz/PM/UI/Web/Controllers/GridController.js') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | frontend/gamma/js/Clipperz/PM/UI/Web/Controllers/GridController.js | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/frontend/gamma/js/Clipperz/PM/UI/Web/Controllers/GridController.js b/frontend/gamma/js/Clipperz/PM/UI/Web/Controllers/GridController.js new file mode 100644 index 0000000..740a091 --- a/dev/null +++ b/frontend/gamma/js/Clipperz/PM/UI/Web/Controllers/GridController.js @@ -0,0 +1,374 @@ +/* + +Copyright 2008-2011 Clipperz Srl + +This file is part of Clipperz's Javascript Crypto Library. +Javascript Crypto Library provides web developers with an extensive +and efficient set of cryptographic functions. The library aims to +obtain maximum execution speed while preserving modularity and +reusability. +For further information about its features and functionalities please +refer to http://www.clipperz.com + +* Javascript Crypto Library is free software: you can redistribute + it and/or modify it under the terms of the GNU Affero General Public + License as published by the Free Software Foundation, either version + 3 of the License, or (at your option) any later version. + +* Javascript Crypto Library is distributed in the hope that it will + be useful, but WITHOUT ANY WARRANTY; without even the implied + warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Affero General Public License for more details. + +* You should have received a copy of the GNU Affero General Public + License along with Javascript Crypto Library. If not, see + <http://www.gnu.org/licenses/>. + +*/ + +Clipperz.Base.module('Clipperz.PM.UI.Web.Controllers'); + +Clipperz.PM.UI.Web.Controllers.GridController = function(args) { + args = args || {}; + + Clipperz.PM.UI.Web.Controllers.GridController.superclass.constructor.call(this, args); + + this._grid = null; + this._user = null; + this._sortedColumnManager = null; + this._cachedObjects = null; + this._filterController = args.filterController || null; + + this._deferredDisplaySelectedRowsInvocation = null; + + return this; +}; + +Clipperz.Base.extend(Clipperz.PM.UI.Web.Controllers.GridController, Object, { + + 'toString': function() { + return "Clipperz.PM.UI.Web.Controllers.GridController"; + }, + + //----------------------------------------------------------------------------- + + 'createGrid': function () { + throw Clipperz.Base.exception.AbstractMethod; + }, + + 'setupWithGrid': function (aGrid) { + this._grid = aGrid; + + if (this._grid != null) { + MochiKit.Iter.forEach(this.columnsManagers(), function (aColumnManager) { + if (aColumnManager.isSortable()) { + if (aColumnManager.isSorted()) { + this.setSortedColumnManager(aColumnManager); + } + MochiKit.Signal.connect(aColumnManager, 'sort', this, 'handleColumnManagerSort'); + } + MochiKit.Signal.connect(aColumnManager, 'selectRow', this, 'handleColumnManagerSelectRow'); + MochiKit.Signal.connect(aColumnManager, 'unselectRow', this, 'handleColumnManagerUnselectRow'); + }, this); + } + }, + + 'grid': function() { + if (this._grid == null) { + this.setupWithGrid(this.createGrid()); + } + + return this._grid; + }, + + 'filterController': function () { +//Clipperz.log('GridController.filterController >>>', this._filterController); + if (this._filterController == null) { + this._filterController = new Clipperz.PM.UI.Web.Controllers.FilterController(); + } +//Clipperz.log('GridController.filterController <<<', this._filterController); + return this._filterController; + }, + + //----------------------------------------------------------------------------- + + 'columnsManagers': function () { + return this.grid().columnsManagers(); + }, + + 'columnManagerWithName': function (aName) { + var managers; + var result; + + managers = MochiKit.Base.filter(function (aManager) { return aManager.name() == aName; } , this.columnsManagers()); + + if (managers.length == 1) { + result = managers[0]; + } else if (managers.length == 0) { + result = null; + } else { + throw "WTF!!!"; + } + + return result; + }, + + 'sortedColumnManager': function () { + return this._sortedColumnManager; + }, + + 'setSortedColumnManager': function(aValue) { + if (aValue.sorted() != 'UNSORTED') { + this._sortedColumnManager = aValue; + } else { + this._sortedColumnManager = null; + } + }, + + //----------------------------------------------------------------------------- + + 'handleColumnManagerSort': function(aSelectedColumnManager) { + MochiKit.Iter.forEach(this.columnsManagers(), function(aColumnManager) { + if (aSelectedColumnManager != aColumnManager) { + if (aColumnManager.isSortable()) { + aColumnManager.setSorted('UNSORTED'); + } + } + }); + + aSelectedColumnManager.toggleSorting(); + this.setSortedColumnManager(aSelectedColumnManager); + + this.displaySelectedRows(this.filterController().getFilter()); + }, + + 'handleColumnManagerSelectRow': function (aRowObject) { + this.grid().selectRow(aRowObject); + }, + + 'handleColumnManagerUnselectRow': function (aRowObject) { + this.grid().unselectRow(aRowObject); + }, + + //----------------------------------------------------------------------------- + + 'handleFilterUpdated': function (aFilter) { + if (this.grid().isActive()) { + this.displaySelectedRows(aFilter); + } + }, + + //----------------------------------------------------------------------------- + // TODO: relying on user() in GridController, bad code smell :| + // mhh: a controller should have access to business logic object too. Otherwise it will fail its controller role. [Giulio Cesare] + + 'setUser': function(anUser) { + this._user = anUser; + }, + + 'user': function() { + return this._user; + }, + + //----------------------------------------------------------------------------- + + 'run': function(args) { +//Clipperz.log("=== GridController.run"); + var deferredResult; + + this.setUser(args.user); + args.slot.setContent(this.grid()); + this.filterController().registerFilterElement(this.grid().filterElement()); + MochiKit.Signal.connect(this.filterController(), 'filterUpdated', this, 'handleFilterUpdated'); + + return this.displaySelectedRows(); + }, + + //----------------------------------------------------------------------------- + + 'handleGenericError': function(anError) { + var result; + + if (anError instanceof MochiKit.Async.CancelledError) { + result = anError; + } else { +Clipperz.log("## GridController - GENERIC ERROR" + "\n" + "==>> " + anError + " <<==\n" + anError.stack); + result = new MochiKit.Async.CancelledError(anError); + } + + return result; + }, + + //----------------------------------------------------------------------------- + + 'getRows': function () { + throw Clipperz.Base.AbstractMethod; + }, + + //----------------------------------------------------------------------------- + + 'setDeferredDisplaySelectedRowsInvocation': function (aDeferred) { + if (this._deferredDisplaySelectedRowsInvocation != null) { + this._deferredDisplaySelectedRowsInvocation.cancel(); + } + + this._deferredDisplaySelectedRowsInvocation = aDeferred; + }, + + //----------------------------------------------------------------------------- + + 'resetDeferredDisplaySelectedRowsInvocation': function () { + if (this._deferredDisplaySelectedRowsInvocation != null) { + this._deferredDisplaySelectedRowsInvocation.cancel(); + } + }, + + //----------------------------------------------------------------------------- + + '_displaySelectedRows': function (aFilter, someRows) { + var result; + var delay; + + if ((aFilter != null) && (aFilter != '')) { + var filter; + var filterRegExp; + + filter = aFilter.replace(/[^A-Za-z0-9]/g, "\\$&"); + filterRegExp = new RegExp(filter, "i"); + result = MochiKit.Base.filter(function (aCachedResult) { return filterRegExp.test(aCachedResult['_searchableContent'])}, someRows); + delay = 0.002*result.length; + + this.setDeferredDisplaySelectedRowsInvocation(MochiKit.Async.callLater(delay, MochiKit.Base.method(this, "deferredDisplaySelectedRows", result))); + } else { + result = someRows; + + this.resetDeferredDisplaySelectedRowsInvocation(); + this.deferredDisplaySelectedRows(result); + } + + }, + + //----------------------------------------------------------------------------- + + 'deferredDisplaySelectedRows': function (someRows) { + if (this.sortedColumnManager() != null) { + var comparator; + var fieldName; + + fieldName = this.sortedColumnManager().name(); + comparator = this.sortedColumnManager().comparator(); + if (this.sortedColumnManager().sorted() == 'DESCENDING') { + comparator = Clipperz.Base.reverseComparator(comparator); + } + + someRows.sort(MochiKit.Base.partial(function(aKey, aComparator, aObject, bObject){ + return comparator(aObject[aKey], bObject[aKey]); + }, this.sortedColumnManager().name(), comparator)); + } + + this.grid().update(someRows); + this.grid().endSearch(); + }, + + //----------------------------------------------------------------------------- + + 'getCachedValues': function () { + var deferredResult; + + if (this._cachedObjects != null) { + deferredResult = MochiKit.Async.succeed(this._cachedObjects); + } else { + var objectCollectResultsConfiguration; + + objectCollectResultsConfiguration = { + '_rowObject': MochiKit.Async.succeed, + '_reference': MochiKit.Base.methodcaller('reference'), + '_searchableContent': MochiKit.Base.methodcaller('searchableContent') + }; + + MochiKit.Base.map(function (aColumnManager) { + objectCollectResultsConfiguration[aColumnManager.name()] = aColumnManager.selector(); + }, this.columnsManagers()); + + deferredResult = new Clipperz.Async.Deferred("GridController.getCachedValues", {trace:false}); + deferredResult.addMethod(this, 'getRows'); + deferredResult.addCallback(MochiKit.Base.map, Clipperz.Async.collectResults("GridController.getCachedValues - collectResults", objectCollectResultsConfiguration, {trace:false})); + deferredResult.addCallback(Clipperz.Async.collectAll); + deferredResult.addCallback(MochiKit.Base.bind(function (someRows) { + this._cachedObjects = someRows; + return this._cachedObjects; + }, this)); + deferredResult.callback(); + } + + return deferredResult; + }, + + //----------------------------------------------------------------------------- + + 'hasPendingChanges': function () { + return this.user().hasPendingChanges(); + }, + + 'saveChanges': function () { + this._cachedObjects = null; + + return Clipperz.Async.callbacks("GridController.saveChanges", [ + MochiKit.Base.method(this.user(), 'saveChanges'), + MochiKit.Base.method(this, 'focus') + ], {trace:false}); + }, + + 'revertChanges': function () { + return this.user().revertChanges(); + }, + + //----------------------------------------------------------------------------- + + 'displayEmptyContent': function () { + }, + + 'hideEmptyContent': function () { + this.grid().removeNoRowsGridComponent(); + }, + + 'displaySelectedRows': function (aFilter) { + if ((aFilter != null) && (aFilter != '')){ + this.grid().startSearch(); + } + + return Clipperz.Async.callbacks("GridController.displaySelectedrows", [ + MochiKit.Base.method(this, 'getCachedValues'), + MochiKit.Base.itemgetter('length'), + Clipperz.Async.deferredIf("There are some items to show in the grid", [ + MochiKit.Base.method(this, 'hideEmptyContent'), + MochiKit.Base.method(this, 'getCachedValues'), + MochiKit.Base.method(this, '_displaySelectedRows', aFilter) + ], [ + MochiKit.Base.method(this, 'displayEmptyContent'), + MochiKit.Base.method(this.grid(), 'endSearch') + ]) + ], {trace:false}); + }, + + //----------------------------------------------------------------------------- + + 'focus': function () { + return Clipperz.Async.callbacks("GridController.focus", [ + MochiKit.Base.method(this, 'displaySelectedRows', this.filterController().getFilter()), + MochiKit.Base.method(this.grid(), 'focus') + ], {trace:false}) +//*##*/ this.displaySelectedRows(this.filterController().getFilter()); +// this.grid().focus(); + }, + + //============================================================================= + + 'deleteAllCleanTextData': function () { + this._cachedObjects = null; + this.grid().drawEmpty(); + }, + + //============================================================================= + __syntaxFix__: "syntax fix" +}); |