I'm using a TabLayoutPanel in a GWT application, attached to the RootLayoutPanel of the page.
Inside each tab I have a ScrollPanel, which is used to display a FlexTable.
Is it possible to make the TabLayoutPanel grow vertically, so the user can scroll the entire page using the browser scroll bar, instead of using the internal ScrollPanel ?
The short answer is: It's not possible with LayoutPanel's. The reason: LayoutPanel's are specific for applications that need to fill the browser client area, or in other words the part that is visible by the user. One of the problems with browsers is to have a widget that has exactly the height of the visible area and also automatically resizes when the browser window is resized. This is one of the problems the LayoutPanels solve.
If you want to use the browser scrollbar and be able to create pages longer than the visible area use the 'normal' Panels.
BTW just FYI you are aware the FlexTable is slow in rendering and if possible better use Grid.
Just add a new style to the TabLayoutPanel:
this.addStyleName("tab-style-content");
And define in your CSS as:
.tab-style-content .gwt-TabLayoutPanelContent
{
overflow: auto;
}
Thus, the property overflow will be overwritten in the gwt-TabLayoutPanelContent and the scrollbar will be shown automatically.
If you make the TabLayoutPanel bigger than the root panel, you will get a browser scroll bar.
If I want to achieve something like this, I always put the TabLayoutPanel in a SimplePanel and add the SimplePanel to the RootPanel. I guess this is not the best way, but it works.
public void onModuleLoad() {
//Create TabPanel
TabPanel tp = new TabPanel();
tp.add(new HTML("Foo"), "foo");
tp.add(new HTML("Bar"), "bar");
tp.add(new HTML("Baz"), "baz");
tp.selectTab(1);
// Create SimplePanel and add TabPanel
SimplePanel sp =new SimplePanel();
sp.add(tp);
// Add SimplePanel to the root panel.
RootPanel.get().add(sp);
}
Related
I put magnific popup to my site, to display Images in gallery. I love this tool, except one thing. The arrows for changing of images are displayed on the sides of screen, what is little bit inpractical when you have big screen with big resolution. So I want to ask if it is possible to move the arrows inside the image, as it is common for many other image viewiers such as lightbox and so on.
Thank you in advance.
You may just re-append the arrows inside container, here is example http://codepen.io/dimsemenov/pen/JGjHK
I had an issue when building multiple gallery from database. One gallery contained an unique picture and with callback : this.contentContainer.append(this.arrowLeft.add(this.arrowRight));
this picture just won't display (you get an error on this.arrowLeft undefined or Null)
(try it on the codepen example, just erase the second picture from the DOM.You'll see the remaining image can't be opened)
To fix this, i used the following callback instead :
this.contentContainer.append(this.arrowLeft,this.arrowRight);
#raison, this should work with type inline/iframe:
callbacks: {
buildControls: function() {
// re-appends controls inside the main container
this.arrowLeft.appendTo(this.contentContainer);
this.arrowRight.appendTo(this.contentContainer);
}
}
I'm making a document viewer in Objective-C, I want to have a bar at the top of the page with a bunch of buttons in it which open up menus, change pages, etc. At the moment I'm using a custom view which then just has all of the buttons inside it, but my problem is that it isn't a static vertical height, so when the window resizes it changes the size of the custom view rather than my PDFView. Is there a way I can stop it from resizing, or is there a better method I should be using to create a menu?
Thanks!
With auto layout, you can just give the view a fixed height -- from the editor menu, choose Pin, then Height. Make sure that it then only has one vertical constraint, either to the top, bottom, or centerY.
Are you using Auto-layout ? You may have to play with it.
Without seeing the code it's hard to debug the problem. Post the snippet where you're re-sizing the views if you're not using auto-layout.
I'm using jQuery Isotope and I'm wondering if there's a built-in (or at least "easy") way to have it dynamically resize elements via a user control, like a slider.
There's a fluid/responsive demo in the documentation, but it resizes elements based on the size of the browser window. I'm looking for something where the window/container would stay the same size, and the user could control the size of the elements by dragging a slider (like the thumbnail size slider in iPhoto).
Is this even possible? I haven't been able to find any examples of Isotope used in this way.
You should try this link: http://isotope.metafizzy.co/demos/relayout.html This sample shows you how an item resizes onclick, but you can transfer this code to make it work with a slider. But as far as I know this plugin uses predefined width and heights via css-classes for its animations, so you might add a lot of css-classes different sizes and it won't work stageless but I am insecure about this. You'll probably need to set the size of an element dynamically. For example you can use the following code to increase the size of an item 5px in width and height:
/* resizing and relayouting the list */
$container.on('click', '.item', function(){
$this = $(this);
$this.width( $this.width() + 5);
$this.height( $this.height() + 5);
//reorganizes the elements in the list
$container.isotope('reLayout');
});
$container is your wrapping element and ".item" is the class of an item. You should probably use a named function for this event handler to bind and call it with your scroller. Hope that helps.
How can I find the component in a ScrollViewer that handles the RequestBringIntoView event?
It isn't exposed on the two ScrollBar parts (not directly, anyway).
Thanks for any pointers...
UPDATE: Related: Can I get the ScrollContentPresenter part of the ScrollViewer? How?
Thanks --
Bigger picture:
We have a large Canvas contained in a ScrollViewer. At runtime, an arbitrary number of UserControls (I'll call them 'Blobs') are added to the canvas from the db. Their position and content come from the db. A user can 'select' a blob by clicking on it, and its appearance changes to indicate it is selected.
If the user uses a scrollbar to move the selected blob out of view, then clicks on another blob, the Canvas is scrolled so the previously-out-of-view blob is in view again. I assume this is due to some object raising the RequestBringIntoView, and the ScrollViewer is handling it.
Hope this makes sense...
Yet more info:
Added a handler (sb_ValueChanged) to the Scrollviewer's scrollbar ValueChanged event. Here's the stack from the mouse click that precipitates the scrolling:
OurControl.sb_ValueChanged() System.Windows.dll!System.Windows.Controls.Primitives.RangeBase.OnValueChanged() System.Windows.dll!System.Windows.Controls.Primitives.ScrollBar.OnValueChanged() System.Windows.dll!System.Windows.Controls.Primitives.RangeBase.OnValuePropertyChanged()
System.Windows.dll!System.Windows.DependencyObject.RaisePropertyChangeNotifications()
System.Windows.dll!System.Windows.DependencyObject.UpdateEffectiveValue()
System.Windows.dll!System.Windows.DependencyObject.SetValueInternal()
System.Windows.dll!System.Windows.DependencyObject.SetValue()
System.Windows.dll!System.Windows.Controls.ScrollViewer.InvalidateScrollInfo() System.Windows.dll!System.Windows.Controls.ScrollContentPresenter.VerifyScrollData()
System.Windows.dll!System.Windows.Controls.ScrollContentPresenter.ArrangeOverride()
System.Windows.dll!System.Windows.FrameworkElement.ArrangeOverride()
If only I could find out what the FrameworkElement that starts the mischief actually is...
Sorry... it doesn't seems to exist like it does in WPF. Check this link for a handy solution.
Update: Ok... for this you might need to walk the visual tree and some sort of recursive search need to be done. However, assuming you are using the default template for the scrollviewer as seen here, you can directly ask for the ScrollContentPresenter with something like this:
var BorderChild = VisualTreeHelper.GetChild(MyScrollViewer, 0);
var GridChild = VisualTreeHelper.GetChild(BorderChild, 0);
var ScrollContentPresenterChild = VisualTreeHelper.GetChild(GridChild, 0);
I posted this a week or so ago:
Position simplemodal modal on top of an existing div
and thought that I had solved my problem, but when the window is scrolled, the modal container moves.
I think I need to change it from fixed to absolute positioning, but when I change it in the script, the right side of the container lines up with the left side of the div (but it does stay in the same place vertically).
Here's what I'm doing now:
$('.slider-caption #large-spot-two').click(function (e) {
$('#basic-modal-content-two').modal({appendTo:"#slider1", autoPosition: false});
return false;
});
What's the best way for me to keep the modal container above the div, whether the page is scrolled or not?
Thanks,
Wendy
The plugin was created to be fixed (not move when the page is scrolled, etc.). Changing the CSS position works until the page is resized or scrolled, as you have found.
The code required to change that behavior would require more work that I currently have time for. You might try BlockUI, as it sounds like that would fit your needs better?