Lets take an example of Directory and File Listing. TreeViewer.expandAll() Setting / unsetting the tree row selection tSelection(null) ISelection selection = (IStructuredSelection) treeViewer.getSelection() treeViewer. Step 1 - Identify the Parent Child Relationship and Objects required for that. South Boston/Halifax county news and events page, South Boston, Virginia. Specifying the minimum width for the columnsĬtColumnData(column, new ColumnWeightData(2, 3)) ĬtColumnData(column, new ColumnWeightData(1, 1)) ĬtColumnData(column, new ColumnWeightData(5, 10)) So out of the three columns, the first column will take up 2/(2+1+5) = 1/4 of the width, second column will take 1/8, and third will take rest 5/8. TreeColumn column = new TreeColumn(tree, SWT.NONE) ĬtColumnData(column, new ColumnWeightData( 2,0)) ĬtColumnData(column, new ColumnWeightData( 1,0)) ĬtColumnData(column, new ColumnWeightData( 5,0)) } else if((parentElement instanceof List)) else if (selection.getFirstElement() instanceof ) Public class MyTreeContentProvider implements Object getChildren(Object parentElement) This class will establish the relationship between parent and child object. Step 4 - Create a Tree Content Provider Class.
It is designed to be instantiated with a pre-existing SWT tree control and configured with a domain-specific content provider, label provider, element filter (optional), and. This class is not intended to be subclassed outside the viewer framework. Code: Select all Show/ hide public class. You can sort the Tree cliking in a column. A TreeViewer with a Tree witch list the files and dir of your PC, with two columns Element and Number of Files in a dir.
#Jface treeview plus
Tree, Table, etc), plus your domain objects. Ok, after a couple of hours, I found the solution for this topic. Lets say method in File Class - getDirectory(). A concrete viewer based on an SWT Tree control. JFace viewers consist of an SWT widget (e.g. Step 3 - Identofy the way to find the parent using the child object. For example there could be a method in Directory class for getting files. Step 2 - Identify the way by which child objects would be retrieved using parent objects. So in that Case our Directory class is the parentClass and File is the childClass.
Step 1 - Identify the Parent Child Relationship and Objects required for that.
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