Example usage for org.eclipse.swt.widgets Tree getSelection

Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Tree getSelection.

Prototype

public TreeItem[] getSelection() 

Source Link

Document

Returns an array of TreeItems that are currently selected in the receiver.

Usage

From source file:org.eclipse.swt.snippets.Snippet97.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 97");
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    tree.setMenu(menu);//from  ww  w  . j a v a  2  s.  c om
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }
    menu.addListener(SWT.Show, event -> {
        MenuItem[] menuItems = menu.getItems();
        for (int i1 = 0; i1 < menuItems.length; i1++) {
            menuItems[i1].dispose();
        }
        TreeItem[] treeItems = tree.getSelection();
        for (int i2 = 0; i2 < treeItems.length; i2++) {
            MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
            menuItem.setText(treeItems[i2].getText());
        }
    });
    Rectangle clientArea = shell.getClientArea();
    tree.setBounds(clientArea.x, clientArea.y, 200, 200);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet73.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 73");
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    tree.setMenu(menu);/* w w w.jav  a2 s. c om*/
    for (int i = 0; i < 12; i++) {
        TreeItem treeItem = new TreeItem(tree, SWT.NONE);
        treeItem.setText("Item " + i);
        MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
        menuItem.setText(treeItem.getText());
    }
    menu.addListener(SWT.Show, event -> {
        MenuItem[] menuItems = menu.getItems();
        TreeItem[] treeItems = tree.getSelection();
        for (int i = 0; i < menuItems.length; i++) {
            String text = menuItems[i].getText();
            int index = 0;
            while (index < treeItems.length) {
                if (treeItems[index].getText().equals(text))
                    break;
                index++;
            }
            menuItems[i].setEnabled(index != treeItems.length);
        }
    });
    Rectangle clientArea = shell.getClientArea();
    tree.setBounds(clientArea.x, clientArea.y, 200, 200);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:MenuFillDynamically.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    tree.setMenu(menu);/*from   www  .  j  av  a 2  s . c  o  m*/
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }
    menu.addListener(SWT.Show, new Listener() {
        public void handleEvent(Event event) {
            MenuItem[] menuItems = menu.getItems();
            for (int i = 0; i < menuItems.length; i++) {
                menuItems[i].dispose();
            }
            TreeItem[] treeItems = tree.getSelection();
            for (int i = 0; i < treeItems.length; i++) {
                MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
                menuItem.setText(treeItems[i].getText());
            }
        }
    });
    tree.setSize(200, 200);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:MenuItemEnableDynamically.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    tree.setMenu(menu);/*from w ww.j  av  a2 s  . c  om*/
    for (int i = 0; i < 12; i++) {
        TreeItem treeItem = new TreeItem(tree, SWT.NONE);
        treeItem.setText("Item " + i);
        MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
        menuItem.setText(treeItem.getText());
    }
    menu.addListener(SWT.Show, new Listener() {
        public void handleEvent(Event event) {
            MenuItem[] menuItems = menu.getItems();
            TreeItem[] treeItems = tree.getSelection();
            for (int i = 0; i < menuItems.length; i++) {
                String text = menuItems[i].getText();
                int index = 0;
                while (index < treeItems.length) {
                    if (treeItems[index].getText().equals(text))
                        break;
                    index++;
                }
                menuItems[i].setEnabled(index != treeItems.length);
            }
        }
    });
    tree.setSize(200, 200);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:MainClass.java

public static void main(String[] a) {

    final Display d = new Display();
    final Shell shell = new Shell(d);

    shell.setSize(250, 200);/*from w w w  .  j  a v  a  2s .com*/

    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.SINGLE);

    for (int i = 0; i < 3; i++) {
        TreeItem iItem = new TreeItem(tree, SWT.NONE);
        iItem.setText("Edit me by pressing F2 " + (i + 1));
        iItem.setExpanded(true);
    }

    final TreeEditor editor = new TreeEditor(tree);
    editor.horizontalAlignment = SWT.LEFT;
    editor.grabHorizontal = true;

    tree.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent event) {
            if (event.keyCode == SWT.F2 && tree.getSelectionCount() == 1) {
                final TreeItem item = tree.getSelection()[0];

                final Text text = new Text(tree, SWT.NONE);
                text.setText(item.getText());
                text.setFocus();

                text.addFocusListener(new FocusAdapter() {
                    public void focusLost(FocusEvent event) {
                        item.setText(text.getText());
                        text.dispose();
                    }
                });

                editor.setEditor(text, item);
            }
        }
    });

    shell.open();
    while (!shell.isDisposed()) {
        if (!d.readAndDispatch())
            d.sleep();
    }
    d.dispose();

}

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From source file:org.eclipse.swt.snippets.Snippet80.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 80");
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 2; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("item " + i);
        for (int j = 0; j < 2; j++) {
            TreeItem subItem = new TreeItem(item, SWT.NONE);
            subItem.setText("item " + j);
            for (int k = 0; k < 2; k++) {
                TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
                subsubItem.setText("item " + k);
            }/*from  w  w w . ja v  a  2  s . c  o  m*/
        }
    }

    tree.addSelectionListener(widgetSelectedAdapter(e -> {
        TreeItem[] selection = tree.getSelection();
        TreeItem[] revisedSelection = new TreeItem[0];
        for (int i = 0; i < selection.length; i++) {
            String text = selection[i].getText();
            if (text.indexOf('1') > 0) {
                TreeItem[] newSelection = new TreeItem[revisedSelection.length + 1];
                System.arraycopy(revisedSelection, 0, newSelection, 0, revisedSelection.length);
                newSelection[revisedSelection.length] = selection[i];
                revisedSelection = newSelection;
            }
        }
        tree.setSelection(revisedSelection);
    }));

    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet61.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 61");
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 4; i++) {
        TreeItem item0 = new TreeItem(tree, 0);
        item0.setText("Item " + i);
        for (int j = 0; j < 4; j++) {
            TreeItem item1 = new TreeItem(item0, 0);
            item1.setText("SubItem " + i + " " + j);
            for (int k = 0; k < 4; k++) {
                TreeItem item2 = new TreeItem(item1, 0);
                item2.setText("SubItem " + i + " " + j + " " + k);
            }//from   www  .j  a va2 s .  c  o  m
        }
    }
    tree.addListener(SWT.Selection, e -> {
        String string = "";
        TreeItem[] selection = tree.getSelection();
        for (int i = 0; i < selection.length; i++)
            string += selection[i] + " ";
        System.out.println("Selection={" + string + "}");
    });
    tree.addListener(SWT.DefaultSelection, e -> {
        String string = "";
        TreeItem[] selection = tree.getSelection();
        for (int i = 0; i < selection.length; i++)
            string += selection[i] + " ";
        System.out.println("DefaultSelection={" + string + "}");
    });
    tree.addListener(SWT.Expand, e -> System.out.println("Expand={" + e.item + "}"));
    tree.addListener(SWT.Collapse, e -> System.out.println("Collapse={" + e.item + "}"));
    tree.getItems()[0].setExpanded(true);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:Snippet80.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 2; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("item " + i);
        for (int j = 0; j < 2; j++) {
            TreeItem subItem = new TreeItem(item, SWT.NONE);
            subItem.setText("item " + j);
            for (int k = 0; k < 2; k++) {
                TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
                subsubItem.setText("item " + k);
            }// w ww  . j  ava2s .  c  o  m
        }
    }

    tree.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            TreeItem[] selection = tree.getSelection();
            TreeItem[] revisedSelection = new TreeItem[0];
            for (int i = 0; i < selection.length; i++) {
                String text = selection[i].getText();
                if (text.indexOf("1") > 0) {
                    TreeItem[] newSelection = new TreeItem[revisedSelection.length + 1];
                    System.arraycopy(revisedSelection, 0, newSelection, 0, revisedSelection.length);
                    newSelection[revisedSelection.length] = selection[i];
                    revisedSelection = newSelection;
                }
            }
            tree.setSelection(revisedSelection);
        }
    });

    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:TreeNodeSelectionListener.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 4; i++) {
        TreeItem item0 = new TreeItem(tree, 0);
        item0.setText("Item " + i);
        for (int j = 0; j < 4; j++) {
            TreeItem item1 = new TreeItem(item0, 0);
            item1.setText("SubItem " + i + " " + j);
            for (int k = 0; k < 4; k++) {
                TreeItem item2 = new TreeItem(item1, 0);
                item2.setText("SubItem " + i + " " + j + " " + k);
            }//from   w  ww  .  j a  v a 2s. c  om
        }
    }
    tree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            String string = "";
            TreeItem[] selection = tree.getSelection();
            for (int i = 0; i < selection.length; i++)
                string += selection[i] + " ";
            System.out.println("Selection={" + string + "}");
        }
    });
    tree.getItems()[0].setExpanded(true);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:TreeNodeDefaultSelectionListener.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 4; i++) {
        TreeItem item0 = new TreeItem(tree, 0);
        item0.setText("Item " + i);
        for (int j = 0; j < 4; j++) {
            TreeItem item1 = new TreeItem(item0, 0);
            item1.setText("SubItem " + i + " " + j);
            for (int k = 0; k < 4; k++) {
                TreeItem item2 = new TreeItem(item1, 0);
                item2.setText("SubItem " + i + " " + j + " " + k);
            }/*from   w  w  w .  jav a2 s  .c o m*/
        }
    }
    tree.addListener(SWT.DefaultSelection, new Listener() {
        public void handleEvent(Event e) {
            String string = "";
            TreeItem[] selection = tree.getSelection();
            for (int i = 0; i < selection.length; i++)
                string += selection[i] + " ";
            System.out.println("DefaultSelection={" + string + "}");
        }
    });

    tree.getItems()[0].setExpanded(true);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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