jQuery Isotope: resize elements via user control? - dynamic

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.

Related

Understanding collapsible box layout and sizing

I am working on a Qt-UI with PyQt and found this nice snipped to create a custom collapsible box widget here: How to create collapsible box in PyQt
I have just replaced the internal QScrollArea by a QFrame.
It works perfectly, as long as the content of the layout that is added stays the same.
However, I allow the user to add or remove widgets from that layout dynamically during use. Here I need some help. I am adding a Grid Layout with, say, 3 widgets inside there (initial creation of the box with .setContentLayout) and once the user adds a 4th widget:
the layout is compressed and keeps its original size
all widgets inside are compressed to fit in the newly created one
overall size of the collapsible box is kept constant.
I have played with various options like updateGeometry() on the content_area and all surounding widgets. It seems I don't fully understand what this code does, I am not really familiar with these animations yet. My best guess is, that the animation somehow blocks the update of the height of the collapsible box, causing the layout to be compressed.
I would be really happy for a pointer where to look / what to adjust to get the size of the collapsible box reacting to the size of the containing layout.
Thanks!

List transitions in vuejs, changing the underlying array

I need to be able to animate drag and drop in my vertical list. I used vuedraggable, wrapped my list in a transition-group and it all worked sweet. Until I fetch new data from the server. Now because of the introduction of transition-group for a split second the old data and the new data live together in the DOM causing the expansion of the list and pushing subsequent div down and back up.
This is kind of expected per the docs:
the DOM operations for insertion and/or removal will be executed
immediately on next frame (Note: this is a browser animation frame,
different from Vue’s concept of nextTick).
Regardless of being able to drag and drop the element, if we were to fade in/fade out the new/old elements they will co-habitate for the time of the animation, which is not great as seen in this pen
Anyway to fade out, change the data, then fade in the new one, while maintaining the height of the list?
Note that without fade the problem is still obvious:
Pen of my issue: click the switch data button to see the issue.
Turns out it's pretty know issue. By reading through this thread and toying with this example, i was able to achieve something to my liking by using:
list-leave-active {
display: none;
}
Resulting Pen
A css fix may be to wrap the contents within a box of some height and set overflow hidden.
So, even when new elements co-exist the jump in scrollbar can be avoided.

dijit.dialog - Dynamically Sized dijit.Dialog Not Centered

I'm having issues with correct sizing and positioning of digit.dialog.
I'm using the built in logic of dijit.dialog to determine the dialog width and positioning as it's content can be any size. In addition, the dialog content needs to be set via the href tag. If I start the browser window at 300px width, the right side of the dialog is all the way to the right. As soon as I manually resize the browser to the full width, and then shrink it, it adjusts the position. Sometimes it gets it correctly, but it's not consistent.
How do you get digit.dialog correctly so it displays it's content correctly for the first load time?
Please look at plunkr: http://plnkr.co/edit/FLO1VFWX2LbZeZAZuhYm?p=preview
new dijit.Dialog({
id: "modal",
href: "modal.html
});
Your content needs to have a fixed size. Otherwise The position is calculated with an inner size which is not relevant anymore after the sizing.
Basically, when re-sizing, the position is calculated using the previous width.
By calling multiple times the resize method, the dialog will adjust its position (a sort of binary search of the best position/size)
dialog.show().then(function() {
dialog.resize();
dialog.resize();
dialog.resize();
dialog.resize();
dialog.resize();
});
http://plnkr.co/edit/bhhAZlYOE6kIduxOX8cn?p=preview
But this is extremely ugly. You should consider giving a width of the content

Dojo/Dijit - How to allow Vertical Scrolling on a layout control

How can I allow scrolling in this Dojo/Dijit page:
http://www.olexe.com/html/DijitScrollTest.html
I might have 60 or 100 rows to display in the tabControl (id="topTabs").
I think there must be a property such as AllowScrolling but I cannot find it.
Or do I need to add a child control, and then turn on scrolling in the child control.
(If you could also point me to the Dijit doc where it is document, that would be appreciated. I have been hunting for over one hour for it).
In general scrolling is easily activated by setting the CSS style overflow to "auto". However, I have looked through your page a little and I have a few questions.
First, you add a TabContainer in the center region of the BorderContainer, but then you never add any tabs to that Container that I can see. TabContainers are usually populated with several ContentPanes to acts as different Tabs.
So if you want tabs, then I would add an additional child element in the form of a ContentPane that holds all the content, otherwise I would change the existing TabContainer into a ContentPane.
Either way, it is the ContentPane that should have the overflow: auto; attribute set to allow scrolling within that element.
the contents of TabContainer should scroll by default. Try looking at the declarative example in the docs and use ContentPane children with a title attribute for each.

TabLayoutPanel with scroll

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);
}