With mx:Box I can set the direction to be either "horizontal" or "vertical". I'd like to reverse the order of the components in the box though. For example:
before:
|button1| |button2| |button3|
after:
|button3| |button2| |button1|
I've created a custom component that lives in a mx:Box and would like to do this in as simplest a way as possible.
Any help appreciated,
Many thanks,
Bryn
The simplest that comes to mind is to override the addChild method in Box:
import mx.containers.Box;
public class ReverseBox extends Box
{
public override function addChild(child:flash.display.DisplayObject):flash.display.DisplayObject
{
return addChildAt(child, 0);
}
}
hth
Koen
Related
I would like to set the caret color for all JavaFX text inputs (e.g. TextField, TextArea, the ones in ComboBox:editable, DatePicker, etc...)
I found this Stackoverflow answer: How to change the caret color in JavaFX 2.0?
... and an example on GitHub.
The first one does change the text and the caret color which is not good. The second one extends the TextFieldSkin class, which is already better, but how can I use it in CSS?
Any help is appreciated.
UPDATE 1:
I found the following CSS style property for JavaFX controls: -fx-skin.
This would theoretically allow me to set a custom skin class (-fx-skin: "package.MySkin";), however, the skin class just isn't used!
The class looks like the following:
package gui;
…
public class MyTextFieldSkin extends TextFieldSkin
{
public MyTextFieldSkin(TextField tf) {
super(tf);
System.out.println("MyTextFieldSkin constructor called!");
ReadOnlyObjectWrapper<Color> farbe = new ReadOnlyObjectWrapper<>(Color.green);
caretPath.strokeProperty().bind(farbe);
caretPath.setStrokeWidth(1.5);
}
}
… and is set in CSS like that:
.text-field {
-fx-skin: "gui.MyTextFieldSkin";
}
What am I doing wrong? I looked at the source code of AquaFX, and they are doing it the same way as me!
After a bit of try & error, I solved the problem in the following way:
I gathered all TextFields and controls that have TextFields in them (like ComboBox, DatePicker and so on) inside a container recursively (in deference of TitledPane, ScrollPane, SplitPane and TabPane, because they don't publish their children in getChildren(), so one has to call the getContent() method of the individual classes and scan through it).
After I had all the TextField controls, I looped over them and changed their Skin with the following code:
public class MyTextFieldSkin extends TextFieldSkin {
public MyTextFieldSkin(TextField tf)
{
super(tf);
ReadOnlyObjectWrapper<Color> color = new ReadOnlyObjectWrapper<>(Color.RED);
caretPath.strokeProperty().bind(color);
}
}
Then I just had to call
textfield.setSkin(new MyTextFieldSkin(textfield));
and that was about it.
Cheers
as the title inquires is it possible?
eg. suppose i have a custom class that extends Shape
private class CR extends Rectangle{
public CR(){}
}
CR cr = new CR(); //normal rectangle
Pane pane = new Pane();// my node who extends region
pane.setPrefSize(100.0,100.0);
pane.setShape(cr); // here is what i am interested in
i want to know when cr has been set to a Node, is there any bindings, or any way i can be notified?
to summarise i have two questions
is there a way to detect either with bindings or some logic when your custom Shape class is being set to a Region. ?
can i get a reference to the Node/Region/Parent ?
Edit:
i am not suppose/ i do not have - access to the pane or Node that is going to set its shape as the custom shape -(implementing my Shape), something like my class is a library/wrapper.
also my custom Shape is not extending Rectangle but just for sample sake but i am extending Path with extends Shape to draw a complex Shape
if its possible i will put a bounty of 300 as gift
I'm not entirely clear what you're asking, but does:
cr.parentProperty().addListener((obs, oldParent, newParent) -> {
System.out.println("Parent changed from "+oldParent+" to "+newParent);
if (newParent != null) {
// do whatever you need here...
}
});
do what you need?
boolean check = pane.contains(cr .getX(),cr .getY());
I'm new to vaadin. I came across with a bug that full name is not visible in twin-column component's values. I have very long names inside the left side of the twin-column. I increased the width of the component much as I can. But still some lines are there that not visible full name.
I tried to add some css, even that didn't work.
.v-select-twincol-options .v-select-twincol-break-word{word-wrap: break-word;}
I tried with this css line. Any wrong in here? Or any idea to solve this. Please help me on this..
Thank you in advance.
private TwinColSelect createTemplateSelectTwinColumn()
{
TwinColSelect twinColSelect = new TwinColSelect("Related Templates");
twinColSelect.setNullSelectionAllowed(true);
twinColSelect.setMultiSelect(true);
twinColSelect.setImmediate(true);
twinColSelect.setSizeFull();
Collection<File> templates = getTemplates();
Collections.sort((List<File>) templates, new Comparator<File>()
{
#Override
public int compare(final File f1, final File f2)
{
return f1.getName().compareTo(f2.getName());
}
});
for (File file : templates)
{
twinColSelect.addItem(file.getNodeId());
twinColSelect.setItemCaption(file.getNodeId(), file.getName());
}
return twinColSelect;
}
Method where I'm creating the twinColumn inside a FormLayout
Vaadin's TwinColSelect eventually results in two standard HTML option list controls in the DOM; see the DOM of this example: http://demo.vaadin.com/book-examples/book/#component.select.twincolselect.basic
word-wrap is, however, not possible on option list items.
Consider creating your "own" TwinColSelect from two Vaadin tables. Vaadin tables are much more flexible regarding CSS styling.
I want to make a label that has a tiny title above it, for example so the label say $1,000 with a small retail price or our price above it. I am trying to add the title label to the display list of the main label. I get no error but the title does not show up. I also considered rawChildren but apparently Label has no rawChildren property.
Here is my code:
package
{
import mx.controls.Label;
public class PriceLabel extends StrikeThroughLabel //<-- exntension of label to add strike
{
private var _title:Label;
public function PriceLabel()
{
super();
}
[Bindable]
public function set title(s:String):void
{
if(_title == null)
{
_title = new Label();
addChild(_title);
this.alpha = .2;
}
_title.text = s;
}
public function get title():String
{
var s:String
if(_title != null)
{
s = _title.text;
}
return s;
}
}
}
If you add children to a Flex component that is not a container, then you have to manually manage sizing and positioning of those children. Containers do a lot of that work for you.
Here's what you should do:
Move the creation of your child Label into an override of the createChildren() function.
Set the text property of the child label in an override of the commitProperties() function. Your title getter and setter should save the value in a _title variable to be used later for the assignment in commitProperties(). This is actually important for performance.
Override the measure() function and update measuredWidth and measuredHeight to be the maximum width and height values of the main label and it's child.
Override updateDisplayList() and use setActualSize() on the child Label to set it to the required width and height.
That may seem like a lot of work, but in terms of best practices, that's the way you're supposed to build custom components. The Flex Team at Adobe spent a lot of time maximizing performance, and that's why things happen in several steps like that.
That's how to do it based on what you asked. Personally, I would make a subclass of UIComponent with two Labels or UITextFields as children, each with their own separate property.
By the way, the rawChildren property is only available on containers. It exists so that you can add "chrome" to a container that isn't part of the container's child layout algorithm. For example, Panel has a title bar and a border that aren't affected by the vertical/horizontal/absolute layout options.
Why not create a custom component that contains both labels as its children, instead of trying to throw a child on the Label? That feels cleaner to me, as adding children to build-in components like that doesn't seem right.
I embed SVG graphics in my Flex application using
package MyUI
{
public class Assets
{
[Embed(source="/assets/pic.svg"]
[Bindable]
public static var svgPic:Class;
}
}
and then extending the Tree class with some of my own code, setting the icon upon adding a node to the data provider:
public class MyTree extends Tree
{
public function MyTree()
{
// ...
this.iconField = "svgIcon";
// ...
this.dataProvider = new ArrayCollection;
this.dataProvider.addItem({ /* ... */ svgIcon: MyUI.Assets.svgPic /* ... */ });
// ...
}
}
Now I have two things I want to do:
use the SVG graphics in multiple places in the app, scaling them to the appropriate size for each appearance, i. e. scale them to a proper icon size when using them in the tree
change the size of the icon at runtime, e. g. display a slightly larger icon for selected items or let an icon "pulse" as a response to some event
I read the Flex documentation on the 9-slice scaling properties in the Embed tag, but I think that's not what I want.
Edit:
I unsuccessfully checked the "similar questions" suggested by SO, among others this one:
Flex: Modify an embedded icon and use it in a button?
Subclass mx.controls.treeClasses.TreeItemRenderer and make it resize the icon to your desired dimensions, or create your own item renderer implementation by using the same interfaces as TreeItemRenderer. Set a custom item renderer with the itemRenderer property:
exampleTree.itemRenderer = new ClassFactory( ExampleCustomItemRendererClass );
The answer to this question might point you in the right direction, without knowing more about the trouble you're having:
Flex: Modify an embedded icon and use it in a button?
Hope it helps!