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Tips
When you click on a file in the Package Explorer or Navigator, the file will open the associated editor. If you are looking for a way to do the same action through code, this tip is for you.
There are three things you need to open an editor:
(*) The IEditorInput for the resource you want to open
(*) A IWorkbenchPage, in which you want to open the editor
(*) The id of the editor, which you want to open.
For this tip, we assume that you want to open a file. So we can use FileEditorInput.
IEditorInput editorInput = new FileEditorInput(fileToBeOpened);
;
We will open the editor in the active page of the active window.
IWorkbenchWindow window=PlatformUI.getWorkbench().getActiveWorkbenchWindow();
IWorkbenchPage page = window.getActivePage();
Open the TextEditor in that page.
page.openEditor(editorInput, "org.eclipse.ui.DefaultTextEdtior");
So here goes the entire snippet:
IFile fileToBeOpened = ...;
IEditorInput editorInput = new FileEditorInput(fileToBeOpened);
IWorkbenchWindow window=PlatformUI.getWorkbench().getActiveWorkbenchWindow();
IWorkbenchPage page = window.getActivePage();
page.openEditor(editorInput, "org.eclipse.ui.DefaultTextEdtior");
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