I would like to set multiple UI elements visible. There is one problem though. I have a lot of UI elements and it's been set up like this:
nameLanguageLabel.setVisible(true);
descriptionLabel.setVisible(true);
mainNameLabel.setVisible(true);
mainURLLabel.setVisible(true);
URLLanguageLabel.setVisible(true);
mainBodyLabel.setVisible(true);
filesLabel.setVisible(true);
fileTypeLabel.setVisible(true);
srcLabel.setVisible(true);
isHeaderImageLabel.setVisible(true);
mainDescriptionTxtField.setVisible(true);
mainIsHeaderImageTxtField.setVisible(true);
mainSrcTxtField.setVisible(true);
mainFileTypeTxtField.setVisible(true);
mainURLTxtField.setVisible(true);
mainNameTxtField.setVisible(true);
Is there a way to make the code shorter? It may be something I haven't noticed during the tutorials I've been doing. (It's not the same project).
http://code.makery.ch/library/javafx-8-tutorial/
All the elements are in a container. I've set it to visible false, and set it visible, whenever I need it. It's been reduced to this:
mainPane.setVisible(true);
Related
I am trying to create a profile menu for my polymer website, something on the lines of github.com
If you notice,there is a triangular tip at the top of the menu.I am trying to create a similar triangle at the top of paper-listbox.
The problem I am facing is that the triangle seems to hide as soon as it gets out of the boundaries of paper-listbox.
I have create a jsbin to demonstrate my problem: http://jsbin.com/samaloqowu/1/edit?html,console,output
If you change the top property of the triangle (say -16px), it hides when it gets out of the listbox region. Please help me solve this CSS issue.
Short answer : No you can't.
Explanation : Because the dropdown content get encapsulated in a slotted element that gets styled inside the shadowRoot of the custom element you try to modify the behavior. And the paper-menu-button doesn't actually gives you a way to directly customize the slotted.
But there is a trick ! You can access the slotted through classic javascript. Just alter your connectedCallback function and add this line :
...
connectedCallback() {
super.connectedCallback();
this.$.profileMenu.$.dropdown.querySelector('.dropdown-content').style.overflow = 'visible';
...
}
...
This should do the trick, I agree this looks totally awful and trying to force and change the initial behavior of an element is not really recommended but well it seems to work, just make some tests when the element gets in a new context to see if anything breaks.
UPDATE (22/09/2017) :
Thinking of that again, I think this is a terrible idea to change this overflow to visible, I guess the polymer team has set the overflow to auto because if the list get long and you force the height of the element, the list will flow and be visible which is not really a dropdown anymore, but more like a full list display and that will mess with the general design purpose of your app. IMO when you start trying to mess with the inner properties of a custom element it means this element doesn't quench your requirement, and that it's time to make your own, especially when you try to modify the design of a custom element that has a design already implemented.
I have different sub-elements in a GtkBox, the first item always is a GtkLabel which should show the line-number. ( Each element of the GtkBox shows a line of a file )
Now I want to make sure that the width of the GtkLabel always is the maximum used width across all GtkLabel's in the GtkBox.
I already implemented that in C-code, however I wonder if it is as well possible to do so by using css ... probably that would be more elegant.
For gtkBoxes the css-attribute "min‑width" is available ... but I dont want to set a fixed value, I want to set the maximum width of all objects which are in the css-class.
I have no idea how/if that is possible. Is there some way to express that in css ?
No, you cannot define this behaviour in CSS.
You should use a GtkSizeGroup with a GTK_SIZE_GROUP_HORIZONTAL mode, instead; you can also define size groups inside your GtkBuilder XML files, if you want to avoid having this relationship inside the source code.
I'm creating a context menu for certain elements using a PopupPanel; the menu itself is going to be fairly large and complex. What I'm looking to do is to have a list of buttons, plus an image and some text, related to the element clicked.
My problem is that I'd like the buttons to always display directly under the clicked element, because that's convenient for the user; the issue is that when PopupPanel is near the edges of the screen, it automatically changes position to be fully visible, not aligning its left side to the element as usual. I like this behavior, but it moves the position of the buttons away.
So what I'd like to happen is: normally the buttons are on the left of the panel, the other stuff is to the right. When the panel is close to the right of the screen, I'd like the buttons to instead be on the right (and thus under the clicked element) and the other stuff on the left.
Is there a clever way to do this, either in GWT or better yet, using only CSS? PopupPanel itself doesn't seem to tell you when it's going to get flipped, sadly. The only solution I currently have is to manually check the position and width of the popup before showing it and adjust accordingly, but I'm hoping there's a better solution.
Here is what I suggest (based on my own implementation of a similar use case):
Have the position callback implementation accept references (in constructor) on:
PopupPanel element
element on which user right cliked
the content you put in the PopupPanel
Replicate (I know this not DRY but implementation is package private) the code from default position callback
When opening to the right invoke a method that changes the layout of your content (CSS based or otherwise)
I hope it helps. If you find something better let me know.
I'm using Dojo GFX to do some simple drawing, but having a problem with IE 7/8 (switching browsers is not an option).
If I create a div, set up a surface and draw some rects, they draw correctly relative to the div, so far so good.
However, what I want to do is create a widget, something with an embedded 'surface' that draws based on some widget-specific data. As such, I have a widget that contains a div, and I draw into this div. When I do that, the rects I create behave as if they are responding to a float:right, appearing in order they are created and ignoring the 'x' parameter.
I assume that this behaviour is something to do with CSS, but I haven't got to the bottom of it yet. Any ideas or solutions gratefully appreciated!
Updates:
I've disabled all stylesheets and I am not using style attributes. No difference to the behaviour.
I've inspected the markup that gets generated using IE8 dev tools. Apart from the different location of the containing div, the only difference I can see is that the v:roundrect elements have no child elements when created against the widget div, but they do have empty elements like stroke when created against the div referenced by ID.
Reading back through the docs, a difference I can see that might be responsible is that the postCreate method where I am doing my drawing is manipulating a div that has not been added to the dom yet, whereas drawing on a hardcoded div is done when it does exist. Maybe the difference in rendering is something to do with this? Is there a specific lifecycle function which is appropriate to draw in for widgets?
It seems that if you are going to use Dojo GFX and draw on DOM elements that are created as part of a widget in IE7/8, you must actually do the drawing in an override of the startup() method.
Drawing in the postCreate() method causes incorrect rendering resembling a float: left.
How can I display one component on the top of another one in flex without explicitly mentioning x-axis & y-axis?
Use canvas and inside canvas you can add controls that will be displayed one above another, the last one added will be the top most one and first added will stay in behind.
Something else to consider, depending on your UI:
This is still a bit 'hacky' (any solution for doing this will be), but given a container (VBox etc) with two or more components, set the includeInLayout property in the first component to false. When the container renders the second component will ignore the first and draw on top.
This also would allow you to add additional components in that same container, but obviously it depends on your UI a great deal.