Just to follow up... I installed hot fix 2 yesterday, which cleared up my problem with setting the width of non-visible columns (i.e. scrolled off to right in this case).
So, thank you jake247, your code is working very well for me. Regards, Ian ________________________________________ IMiJ Software http://www.imijsoft.com http://www.ianmjones.net (blog) On 25 May 2007, at 19:08, Ian M. Jones wrote: > Hi all, > > Thanks for the help Tracey and Tom, I've tried to do something along > the lines of what you suggested but keep running up against the > problem of casting from Object to DataGridColumn. > > jake247, your code works pretty well, I think I could probably alter > it to get what I really want if I work on it a little more (the > columns may need to be added or removed). > > However, I assume you're using a grid without a horizontal scroll > bar, as I seem to have found a bug in the DataGrid when running your > code. When it get's to the point where the width is set on the newCol > for a column that is off to the right and not visible until the > scrollbar is used, it complains about a missing property because it's > internally trying to reference an element in the visibleColumns array > which isn't there. I need to either fix this in the DataGrid source > or find a work around. > > Ian > > > On 24 May 2007, at 20:38, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: > >> Ask and ye shall receive ... we solved this exact problem about a >> month ago ... >> --------------------------------------------------------------------- >> - >> --- >> // Save grid settings to shared object >> public function saveGridSettings():void { >> var name:String = lineItemGrid.name; >> var gWidth:int = lineItemGrid.width; >> var cols:Array = new Array(); >> var savedLastSort:String = lastSort; >> var savedReversed:Boolean = reversed; >> for (var i:int = 0; i < >> lineItemGrid.columns.length; i++) { >> cols[i] = lineItemGrid.columns[i]; >> } >> >> // Write grid data to shared object >> lineItemGridSO = >> SharedObject.getLocal("gridData", "/"); >> lineItemGridSO.data.name = name; >> lineItemGridSO.data.gridWidth = gWidth; >> lineItemGridSO.data.lastSort = savedLastSort; >> lineItemGridSO.data.reversed = savedReversed; >> lineItemGridSO.data.gridCols = new Array(); >> lineItemGridSO.data.gridCols = cols; >> lineItemGridSO.flush(); >> } >> >> // Get grid settings from shared object >> public function getGridSettings():void { >> lineItemGridSO = >> SharedObject.getLocal("gridData", "/"); >> if (lineItemGridSO.data.name != undefined) { >> lastSort = >> lineItemGridSO.data.lastSort; >> var newCols:Array = new Array(); >> for (var i:int = 0; i < >> lineItemGridSO.data.gridCols.length; i+ >> +) { >> for (var j:int = 0; j < >> lineItemGrid.columns.length; j++) { >> if >> (lineItemGrid.columns[j].dataField == >> lineItemGridSO.data.gridCols[i].dataField) { >> var >> newCol:DataGridColumn = DataGridColumn >> (lineItemGrid.columns.splice(int(j), 1)[0]); >> newCol.width = >> lineItemGridSO.data.gridCols[i].width; >> >> newCols.push(newCol); >> } >> } >> } >> newCols.concat(lineItemGrid.columns); >> lineItemGrid.columns = newCols; >> } >> } >> ---- "Ian M. Jones" <[EMAIL PROTECTED]> wrote: >>> Hi all, >>> >>> I'm trying to set up a simple way to save a user's DataGrid column >>> setup >>> to a local SharedObject, and then retrieve those settings when >>> they next >>> run the application. >>> >>> Saving them seems to have been pretty simple: >>> >>> public function savePreferences():void { >>> var prefs:SharedObject = SharedObject.getLocal("Preferences"); >>> var defaultColumns:Array = myDataGrid.columns; >>> prefs.data.defaultColumns = defaultColumns; >>> prefs.flush(); >>> } >>> >>> That works, I can see the objects in the Preferences.sol file, but I >>> haven't found a way of setting the grid's columns after reading it >>> back >>> in. >>> >>> I've tried reading back into an array and then setting the columns >>> property to the array. >>> I've tried iterating through the array with a for each casting the >>> results >>> to a DataGridColumn, appending to an ArrayCollection and then >>> finally >>> setting the DataGrid's columns to the ArrayCollection.toArray, >>> that didn't >>> get very far. >>> I've tried binding the DataGrid's columns property to an Array, >>> and then >>> setting that array to the prefs.data.defaultColumns. >>> >>> Nothing seems to work, the app generally seems to hang at the >>> point I try >>> to set the columns property. >>> >>> Is there a kind soul that can point me in the right direction? >>> >>> Thanks, >>> -- >>> Ian M. Jones >>> ________________________________________ >>> IMiJ Software >>> http://www.imijsoft.com >>> http://www.ianmjones.net (blog) >>> >> >> > > > > -- > Flexcoders Mailing List > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > Search Archives: http://www.mail-archive.com/flexcoders% > 40yahoogroups.com > Yahoo! Groups Links > > > >
