Flex :: Moving Down/up Row Of S:DataGrid?
Jul 25, 2011
Recently started Flex. Had some practice on how to use services in PHP that Flex client asks via zend AMF. As a part of my project I am planning to load data from Mysql using PHP (via service) and display it in a s:DataGrid.For this purposes I'm keen on knowing is it possible to move up/down datagrid row using ActionScript 3.0 depending on, say,specific row[r1][c1]'s value.Think that OnTimer event datagrid's content will be updated and sorted by column Time and dislplayed by ascending order, whenever i update the time the row which it's column's value was modified should move down or up using Animation like this example from Adobe Center
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Jan 16, 2011
Is it possible to have "Move-Up / Move-Down" buttons that can move a selected row in a dataGrid and move it to a different row in the database?
Where can I get more info or an example of this and what would this type of operation be called?
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Sep 7, 2009
I used play button image within datagrid iteam renderer, if I click image then move to another state (by using currentState ='play'). So I tried like
<mx:DataGridColumn textAlign="center" headerText="" dataField="col2">
<mx:itemRenderer><mx:Component>
<mx:HBox textAlign="center" paddingLeft="17">
<mx:Image source="@Embed(source='image/play_button.png')" click="currentState='Playsystem'"/>
</mx:HBox></mx:Component></mx:itemRenderer>
But it's shows error like undefined state 'Playsystem'. But Already I have state.
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Feb 14, 2010
I've added an eventListener to the COLLECTION_CHANGE event that is fired when the grid is finished resorting the items in its dataProvider, after the user clicks on a column header:MyType (myDataGrid.dataProvider).addEventListener(CollectionEvent.COLLECTION_CHANGE,onDataGridResort);
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Mar 15, 2010
I am working on a problem since a week soon, but I still couldn't make it work as expected. I have a DataGrid which has HBox with a CheckBox an a Label as itemRenderer (see Code below). When I tap in to the Cell the standard itemEditor pops up and lets you enter the content of the label. Thats the standard behavior. I works fine except for 2 problems:
If I enter to much text, the horizontal srollbar pops up, and the cell is filled with that scrollbar. As you see I tried to set the horizontalScrollPolicy to off, but that doesnt work at all... I tried to do that for all the different elements, but the failure is still existent. When I have filled more than one row, there is an other mistake happening. If I tap on a row, the datagrid selects the one below that row. That's only if one line is already selected. If I tap outside the datagrid and then, tap at any row the itemEditor of the right row will show up... Is there anything now wright in the setup of my set data method?
package components
{
import mx.containers.HBox;
import mx.controls.CheckBox;
[Code]......
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Mar 24, 2010
From this (normal dataGrid)
into this (horisontal data grid)
How to turn Flex MXML DataGrid into something like Horisontal DataGrid? (may be some how with Flash builder 4?)
Keeping all stuff DataGrid has like eating data from data provider sortind dragging - droping items etc
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Oct 15, 2011
I have two datagrids:
- Division
- Members
Both have single columns. Selecting one item from Divsions datagrid should display members of that Division in the Members datagrid. But following code has some problem and Members of a particular division do not show up when respective Divsion is clicked.
Following are some snippets of the related code. Hope someone can spot an error in it.
[Code]..
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Jul 31, 2009
For poor performance reasons, the DataGrid will cache checkboxes and reuse them for different rows. If you have 50 rows, it won't create 50 checkboxes. It will create as many checkboxes at are visible, plus a few more for padding, and then reuse them as you scroll. This is why you need to explicitly manage their state. How can improve it ? How can fixed checkbox value ? i used checkbox like below But checkbox doesnot remembering the values
[Code]...
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Feb 4, 2010
I am attempting to style the headers in a flex datagrid and I keep getting the warning:
Type DataGrid in CSS selector 'DataGrid' must be qualified with a namespace
What does this mean? I have gone through a bunch of tutorials and none of them have worked. It seems like changing a the colors in a datagrid should be relatively simple.
Here is a code sample:
<mx:Style>
.headerCustomStyle
{
fontWeight: "bold";
[code]....
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May 13, 2011
in Flex I have something like that: [code]and dg is ALWAYS pointing at DataGrid (even if dg1 has name DataGrid_test and dg2 = DataGrid_test2) and finally action is made on my first DataGrid (DataGrid_test).[code]and search still points at ColorColumn :/ My problem is really easy- I just want to pass to search different dataGrid on each state.But still I don't understand why it doesn't work. My search function uses algorhitm Boyer-Moor for searching through dataGrid.dataProvider for some text. If it find something then it is pushed into new array and after passing whole dataProvider I colorize rows with searched word.
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Aug 11, 2011
I have a TabNavigator, and each tab is a Module. One of the modules is labelled Units and the full code of the module is posted in this post. There are several problems:
1) Forms are not populated with data from the datagrid selection.
2) Selecting a row and clicking delete gives the very-common error: TypeError: Error #1009: Cannot access a property or method of a null object reference.
A trace on the valueObject unit within the selectionChangeHandler function gives NULL. Why? Note: In other modules (other tabs of the TabNavigator), I have DropDownLists populated with units. This means that the valueObject Unit is defined in the other modules. However, valueObjects should be private to modules, and not shared.
[Code]....
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Feb 4, 2011
i have a problem using the itemRenderer functionality. When using an ArrayCollection the visible Data in the DataGrid using the itemRenderer will be rendered just fine. But if i start scrolling the entries are repeating in the cells using the renderer. The cells are not filled with date according to the id. What mistake i'm doing here.
I read a lot of the explainations like:
[URL]
here is the code for the set data function (itemRenderer is extending HBox):
override public function set data(value:Object):void {
_data = value;
if(data!=null)
[code]....
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Feb 12, 2012
I'm using Flex 4 and I need to render the data that resembles HTML Table with row span in a Flex component.My inclination was to use a DataGrid but I believe that rowSpan is not supported for that component. I looked at the AdvancedDataGrid but the user does not want to have a tree-structure in any of the columns. Looking to see if there are any hints/tips for modifying the DataGrid or AdvancedDataGrid to produce an "HTML Table with rowspan" look.
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Apr 13, 2011
How can you display a multi-line column header using the Flex Spark Data Grid for Flex 4.5?
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Nov 3, 2009
I have a datagrid which is editable and I need to send that back to the database via a CFC for insertion into the database after all the editing is complete. Dumping the array collection to cfdump tells me that I have an array with items and a structure but i cannot understand how to "loop" through each and insert into the DB.There seems to be very little written which actually works! My MXML and CFC are below but give me the error of "You have attempted to dereference a scalar variable of type class coldfusion.runtime.Array as a structure with members." -which is nice
[Bindable]
private var getconsent:ArrayCollection = new ArrayCollection([
{LocationName:'Service A', Contact: 'Bob Jones' },
[code].....
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Jul 27, 2010
I have several datagrids with changing columns. For the text fields the datagrid's sort function neems to be making a case sensitive compare. eg. the following list sorted would look like this apples strawberries Autos Autos should be with apples but since the capital A is counted differently all capital letters come after. I've found a lot of information on setting a CASEINSENSITIVE flag, but I can't figure out where to do this. The best solution would be one where I can override the default behavior to be case insensitive for all my datagrids and all my compare functions.
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Dec 23, 2010
I am in a situation where user gets the cars data from the database based on the selection and displays it in datagrid like below ( for example)
Company Model Year No
GM Chevy 2010 10
GM Chevy 2009 5
GM Pontiac 2010 12
Honda Civic 2009 12
and there will be a link next to datagrid to get Pie chart based on the data displays in the data grid . The pie graph should display grouping by company and the count . I mean for the above example that should give with two pie items , one for GM showing the number of vehicles ( in this case 3 ) and Honda showing the number of vehicles ( in this case 1 ).
I thought of getting it from the database by querying and grouping it .But here the problem is after getting the data above in the datagrid user can able to filter at client end ( By year or model ) and can say get graph . This time that should only display the graph for the data visible in Datagrid .Grouping on database for every operation is becoming expensive. Since we have already data available at client end , is there any way to group it at client ..?
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Jan 18, 2011
I am loading the data externally from xml and displaying in a datagrid. I have 2 buttons addRow and deleteRow. My datagrid headertext names are "name" "age" "rollno" "image", where image also will be loading externally thru an xml file. now when i am pressing the deleteRow button, whole row is getting deleted but an image icon is still appearing under "image" headertext. It was not an actual image but a blank image icon kind of thing is appearing, how to remove the icon. i want my whole row to be deleted. but its not happening.
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Sep 8, 2009
The flex DataGrid colums are arranged alphabetically by default. I need to order the DataGrid colums as per the order in its dataProvider. The dataprovider is the result of the HTTPService . And the number of columns is not known to us . The number of columns depends on the HTTPService result.
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Dec 22, 2009
I want the comboBox to be placed in one of the columns of the datagrid header.The datagrid should be filtered according to the value selected in the comboBox.e.
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Mar 25, 2010
The data provider (ArrayCollection) for my data grid consists of objects with ByteArray (int) fields. How do I make the data field display as int without transforming my data provider?
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Oct 4, 2011
Flex 4.5+ is I guess everyone is working on nowadays so I asked this question since I haven't yet find working both spark datagrid and the mx printdatagrid components together.
What I'm trying to achieve is to print all the data inside my spark datagrid. So when I do my research, we use the PrintJob or the FlexPrintJob classes.It works fine but when I need to print multiple pages since the data on my spark datagrid is quite long, I can't somehow find a way how to do it.The print output is only upto where the height of my spark datagrid.So in my research, they somehow managed it to use the mx:PrintDataGrid component.But sad to say, they did it with an mx:DataGrid also.how to use the mx:PrintDataGrid along with s:DataGrid.
var printJob:PrintJob = new PrintJob();
if (printJob.start())
{[code]....
If converting a spark datagrid columns to the mx datagrid columns is not possible, is there a way that I can print all the data on the spark datagrid using multiple pages?
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Feb 18, 2012
I'm using Flashbuilder 4.6 and can't get sorting of columns in my s:DataGrid to work, clicking on the columns does nothing. Can anyone suggest what is wrong?
[Code]...
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Aug 31, 2009
I'm trying to create a dynamic datagrid in Flex. The data is coming back fine and I can add the column headings. I need to do it this way as the column names are dynamic and coming from a mysql database.he values from re.result.resultSet.results[j].notes into the data fields?
<mx:Script>
<![CDATA[
import mx.rpc.events.FaultEvent;
[code].....
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Jun 30, 2010
I use an item renderer to display a checkbox in my datagrid like;
<mx:DataGridColumn headerText="Visible" dataField="visibleInd" width="48"
itemRenderer="mx.controls.CheckBox"
rendererIsEditor="true"
[Code]....
But in this case my code does align the checkbox in the middle, but does not save data in my dataprovider.
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Sep 30, 2010
I am creating the standard "Click to add row" control but I really don't want to dirty the dataProvider with a "placeholder" since it is bound to the model and could end up in the database. Is there a way to add a row that isn't represented in the dataProvider? I started down the road of adding an item directly to listItems but then that needed an item in rowInfo and then that need a reference in rowMap.
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Mar 21, 2011
How do you use flex datagrid lockedColumnCount for two columns?
For example, I have 5 columns of datagrid columns: A, B, C, D and E. I want the A and E columns to be locked and the remaining columns able to be scrolled horizontally.
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Nov 2, 2010
im currently making an "AS3 beat em up" ala streets of rage or double dragon.Currently i have my character moving and a few animations done and i am trying to figure out how to make attacks work.I have some "basic" animation for his attack, but im not sure how to get it to work correctley.What happens is, if you press control (the attack button) whilst the character is walking he just keeps moving and is stopped on the attack frame.I want the character to stop moving if the attack is pressed and once it is released start moving again.
hero.gotoAndStop('still');
var left:Boolean = false;
var right:Boolean = false;[code].......
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Apr 18, 2011
what changes I need to make?
What can be the possible issues in upgrading ? Benefits of upgrading from flex 3.2 to 3.5.
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Mar 1, 2010
I need to animate a lable movement between 2 canvases...The mxml example of the code is:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" applicationComplete="main()" frameRate="1">
<mx:Script>[code].....
Currently the problem is that the label actually do not leave borders of the first canvas (I see scrollbars instead of it).I think this is related to globalToLocal conversion problems, but do not understand how to use it.Also another question is how to animate the movement corretly, because move function performs movement without any visible action.
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