Eclipse Project 4.15 - New and Noteworthy | The Eclipse Foundation

Platform and Equinox API

Platform Changes
SWT Changes

Platform Changes
Easier usage of LabelProvider and ColumnLabelProvider	The `org.eclipse.jface.viewers.LabelProvider` and `org.eclipse.jface.viewers.ColumnLabelProvider` classes now support lambda functions for their `getText()` and `getImage()` methods. This is provided through the new static methods `createImageProvider()` and `createTextProvider()` respectively. For use cases where the LabelProvider should implement both the `getText()` and `getImage()` methods, the static method `createTextImageProvider()` can be used. Former constructs like: viewer.setLabelProvider(new LabelProvider() { @Override public String getText(Object element) { return element.toString(); } @Override public Image getImage(Object element) { return defaultImage; } }); can now be replaced by: viewer.setLabelProvider(LabelProvider.createTextImageProvider(element -> element.toString(), element -> defaultImage));
Preference to change default layout to flat in Project Explorer	In Eclipse 4.15, the default project layout in the Project Explorer has been switched to hierarchical layout, and a new preference is available for RCP providers who want to force flat layout by default instead. The preference is `org.eclipse.ui.navigator.resources/defaultToFlatLayout` and can be set to `true` in `plugin_customization.ini` or programatically before Project Explorer opens for the first time, in order to force a flat project layout. Subsequent change to this preference after first initialization of Project Explorer will have no effect.
Allow configuration of enabled SWT add-ons in application model	Loading the add-ons for SWT, automatically enables all the add-ons (Drag'n'Drop, MinMax, Split, Cleanup). You can now disable unwanted add-ons using tags (DisableDnDAddon, DisableMinMaxAddon, ...) on the application model.
Hyperlink support in cheatsheet item description	You can now add hyperlinks in a cheat sheet item description. Hyperlinks are expressed using `<a href="URL">display link</a>`, where URL is a valid URL to an external web site or a CheatSheet URL that represents a CheatSheat action. All cheat sheet URLs have the following form: `http://org.eclipse.ui.cheatsheet/<action_name>?param1=value1&param2=value2` and will be processed by the cheat sheet framework. The following predefined actions are included in the cheat sheet framework: showView - activates view with given view id execute - executes the specified command Examples: Execute command: `<a href="http://org.eclipse.ui.cheatsheet/execute?command=org.eclipse.search.ui.openSearchDialog">Open Search Dialog</a>` Show view: `<a href="http://org.eclipse.ui.cheatsheet/showView?id=org.eclipse.pde.runtime.LogView">Show Error Log</a>` External: `<a href="https://eclipse.org">eclipse.org</a>`
SWT Changes
New APIs to style CTabItem	New APIs have been added to `CTabItem` to set the foreground color and selection foreground color of the individual `CTabItem`. `public void CTabItem.setForeground(Color color) public Color CTabItem.getForeground()` `public void CTabItem.setSelectionForeground(Color color) public Color CTabItem.getSelectionForeground()`
WebKit1 support dropped	Starting from Eclipse 4.15, SWT/GTK no longer supports WebKit1 as a browser backend. Only WebKit2 is supported, and all WebKit1 code has been removed.

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