I have a component that has a sub-component they both use a shared variable from the model. The shared variable needs to be set by the parent component before it can be used by the child component. I did like this in the parent component:
But for some reason when the code inside myCustomComponent tries to use myVariable for the first time I get a "null" object error. This means I guess that the child component gets rendered before the group1_activateHandler gets called and consequently myVariable gets set.
What should I do to ensure that the parent container initializes the variable before the child component gets created?
I have created a MyTreeItemrenderer extending TreeItemrenderer.
However, I do not want any label, folder, disclosure icon nor icon. I want to dispaly every node of the tree with my own graphic like eg: a line, round image etc.,
Beginner Question: I am using the IFrame Component for Flex in Flex 4. The code below works when it is put at the top of the scrolling area. However, if I put it where it below the viewable area it will not render. I am a complete beginner to Flex. The interesting thing is when I resize the window while the HBox is in view, the Iframe will load. But scrolling to it will not. Below is my code. I have made sure everything is visible=true but it seems like I need to add a listener or somehow trick it to think that the window has been resized to get it to render. Anyone with an idea how to fix this?
I am a little confused about the setActualSize method. It appears from what I've read, that if it is not called on a component by its parent, the component will not be rendered. So it appears that setActualSize is a critical method that is directly bound to rendering the UIComponent. It also appears that the width and height properties of UIComponent override the functionality of the width and height properties of flash.display.DisplayObject, in that they are not directly bound to the rendering of the object but are virtual values that are mainly used by the getExplicitOrMeasured when the parent of the component calls the component's setActualSize method. So the question are:
I have an application which displays employee information. If the user opening the detailed employee information page is not authorized to make changes I set the TextInput to disabled. Some users are reporting rendering issues with this. The TextInput's text value does not appear inside the box but is misaligned and is outside of the component. You can see the screenshow below of the disabled ID column where the numbers which are supposed to be in the TextInput box are far off to the right.
Imagine I had the movieclip structure below... root - mc1 mc2 - mc3 mc4 - mc5 - ... - mc6 mc 7Where my root has two children (mc1 and mc2), mc2 has two children (mc3 and mc4), etc... So taking mc6, it is a movieclip an arbitrary number of levels down the movieclip hierarchy.
I want mc6 to render as though it were a child of mc1, ie. before mc2 and its children. However, if I simply use addChild(), I would remove mc6 from it's current position in the hierachy, thus changing the transformations which determine it's position on the screen. I simply want to change the point in the order at which it is rendered to the screen (render it before all other clips), but NOT change where it is in the spatial hierarchy (in order to preserve animations etc).
My current way of doing this, is to set mc6 to visible=false. Then I add a bitmap to mc1. Then each frame, I wipe the bitmap and render mc6 to the bitmap using its localToGlobal transformation. However, this is a very wasteful solution since the bitmap needs to be the size of the screen which results in the entire screen being redrawn every single frame. I'd like to retain flash's built in optimizations for only redrawing changed movieclips.
Another way would be to duplicate the mc6 movieclip, and attach the duplicate to mc1 as a child whilst making the original clip invisible again. However, then I would have to update the new movieclip with every single possible change which could occur to the original mc6 - this would get complicated pretty quickly.
I have a component called a TableDataViewer that contains the following pieces of data and their associated set functions:[code]This component is nested in another component as follows:[code]Looking at the trace in the logs, the call to set table is coming before the call to set dataSetLoader. Which is a real shame because set table() needs dataSetLoader to already be set in order to call its load() function.So my question is, is there a way to enforce an order on the calls to the set functions when declaring a component?
As per the book, 'childAdd' event of parentcontainer should be triggered after triggering of 'PreInitialize' and 'Initialize' event of childcontianer while as per the program out put it seems otherwise.What I found in books is as below:
I have a regular spark list which is sorted correctly when no item renderer is used. However, when the following item renderer is used, the list shuffles and displays items from previous instances of the list.[code]
I'd like to have a double click event on a datagrid in Flex3. The following example only works if the Accordion (id = "mustBeSecond") container comes after the DataGrid. Why is the order of the components important and what can I do to prevent this behavior? (The example does not work. If you change the order of "mustBeSecond" and gridReportConversions" the example works fine)
Our AIR app consists from multiple modules. Each module extends MovieClip class. But when I am adding AmChart component to one of these modules, it is not rendering. Here the sample (PieChart.mxml):
How to set inline style sheet to htmltext of textfield component as mentioned in the xml CDATA. At present , i am using textfield.htmlText propert , but i am not able to get the fontfamily as mentioned in the xml CDATA. The text is also not getting displayed in the correct format. The image is not coming in between the 2 question strings and its getting displayed at the bottom of the question while the 2 question strings("q text info", "with images also") are displayed as a single string. How to reformat the xml so that the image comes in between.
In Flex [4], when cycling the focus through components by pressing Tab, how can I remove particular components (eg. some buttons) from the tab cycle. I want those buttons to be skipped completely when pressing Tab.
If I add a textarea component to my movie I can no longer tab out of it in IE. With no component, it works fine. I'm using AS3 and am not sure where to go from here. This is one of that adobe's "accessible" components so the fact it causes the page to become completely unusable for keyboard users is a bit frustrating.
I have an Air Application that uses a HTML Component. The HTML page that the component is rendering includes images with title tags. The tags render fine outside the Air Application, but when run in the AIR application, they do not render.
I have a component "child" which has a cancel button. Now this component is placed in a state called "newChildComp" I also have another component called "parent". In the parent component, i have a button that dispatches an event. Here is the event code:
[Code].....
so, basically,i am checking to see if the cancel button component in the Child component, while i am still in the parent Compoent, was clicked, if it was clicked, call the cancelButtonHandler. The problem is by the time the addNewChild handles the event, that cancel button was still null. My question is how do i solve this without using the itemCreationPolicy on the cancel button?
I'm using a lineseries chart, but it gets fairly slow to re-render when I add a new point when the total # of points is ~1200 points. Granted, this is running on a fairly slow PC (~600 MHz). Reading the Flex documentation on how to speed up rendering (turning off dropshadows, turning off filterData, etc...) doesnt seem to help. I bound my chart to an ArrayCollection (rather than the array I used before which I manually updated) and it doesnt seem to be any faster. Adobe's documentation seems to have me believe that the Chart looks only at what changed since the last time it was updated, but i'm only adding one point!
If their info is correct, why does it take significantly longer (5 seconds) to update one point when I have ~1200 points then when I only have 2 points (instantaneous)? FYI - When I add a new point to my ArrayCollection, I have to do a "AC.refresh()" to get the DataBinding to pick up the new data.
I'm currently upgrading an app from Flex 4.1 to 4.5.We've noticed that the Arial font is rendered differently between the two versions when used at small sizes.Here's a simple app example:
Is there a way to create a BarChart (in the background) without adding it to the current view? I basically have a chart that I need to convert to an image and add it to a PDF report (using AlivePDF).
I'm using a spark list to render data which I get from a web service.is there an event which fires after the list has finished rendering all the data ?I want to show a loading image to the user until the list finishes.
I have a TextInput control which has a search functionality for the people in the system.It works fine. All I need is to style it in such a way that, it will be having search image on the right, which when clicked, will search. Its actually for look and feel part of the application, which will make the search box look much better.
It is exactly similar behavior implemented in search box embedded in Firefox.
i have a datagrid which contains a number of itemrenderers, it is populated each time a user does a search. Is there an event which can tell me when the datagrid has completed rendering all new rows and item renderers?
I need to trigger an event once everything has been created so that i can resize then container which holds the grid.
Currently im using DataGridEvent.HEADER_RELEASE and CollectionEvent.COLLECTION_CHANGE events to manage this however the problem with these events is that they get called as each new row is being added to the datagrid.
I have an mx:TileList which is bound to an ArrayCollection.I have some code that displays a "Loading..." message before modifying the ArracyCollection and some code after that hides the loading message.For small data sets, it works fine. However, I noticed with an array size of about 50~ and larger, flex will hide my loading message before the TileList is finished rendering the new data and I'm left with a blank screen for an odd second.Is there an event I can listen to that is called after the TileList is finished re-rendering? Code looks something like this:
loading_message.visible = true; for each (var x:Object in new_data) { tile_list_data.append(x); // bound to my_tile_list component[code]..........
In this example, loading_message appear, disappear, and then the flex app will lag before finally revealing the updated TileList.
The dataProvider for my grid contains several objects. Some of which have a Number value, and some Boolean values under field 'value' (other fields are used in other columns).I would like to be able to render differently for each data-type, i.e. have a checkBox for booleans, and a label for numbers. Furthermore, I would like to be able to edit these fields differently, unchecking the checkbox for booleans, and using a numericStepper for Numbers.
Just FYI, I decided to go with AdvancedDataGrid, to take advantage of the styleFunction property, nothing more..Tried to used spark-states, which didn't seem to work as I'm using an AdvancedDataGrid. I'm not sure what the problem was.
