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

Introduction

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

Prototype

public void setBounds(int x, int y, int width, int height) 

Source Link

Document

Sets the receiver's size and location to the rectangular area specified by the arguments.

Usage

From source file:org.eclipse.swt.snippets.Snippet102.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 102");
    Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    Rectangle clientArea = shell.getClientArea();
    tree.setBounds(clientArea.x, clientArea.y, 200, 200);
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }//from ww w  . j  a  v a  2  s .co  m
    TreeItem item = new TreeItem(tree, SWT.NONE, 1);
    TreeItem[] items = tree.getItems();
    int index = 0;
    while (index < items.length && items[index] != item)
        index++;
    item.setText("*** New Item " + index + " ***");
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet220.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 220");
    shell.setBounds(10, 10, 350, 200);/* w w  w .java 2  s  .com*/
    Image xImage = new Image(display, 16, 16);
    GC gc = new GC(xImage);
    gc.setForeground(display.getSystemColor(SWT.COLOR_RED));
    gc.drawLine(1, 1, 14, 14);
    gc.drawLine(1, 14, 14, 1);
    gc.drawOval(2, 2, 11, 11);
    gc.dispose();
    final int IMAGE_MARGIN = 2;
    final Tree tree = new Tree(shell, SWT.CHECK);
    tree.setBounds(10, 10, 300, 150);
    TreeItem item = new TreeItem(tree, SWT.NONE);
    item.setText("root item");
    for (int i = 0; i < 4; i++) {
        TreeItem newItem = new TreeItem(item, SWT.NONE);
        newItem.setText("descendent " + i);
        if (i % 2 == 0)
            newItem.setData(xImage);
        item.setExpanded(true);
        item = newItem;
    }

    /*
     * NOTE: MeasureItem and PaintItem are called repeatedly.  Therefore it is
     * critical for performance that these methods be as efficient as possible.
     */
    tree.addListener(SWT.MeasureItem, event -> {
        TreeItem item1 = (TreeItem) event.item;
        Image trailingImage = (Image) item1.getData();
        if (trailingImage != null) {
            event.width += trailingImage.getBounds().width + IMAGE_MARGIN;
        }
    });
    tree.addListener(SWT.PaintItem, event -> {
        TreeItem item1 = (TreeItem) event.item;
        Image trailingImage = (Image) item1.getData();
        if (trailingImage != null) {
            int x = event.x + event.width + IMAGE_MARGIN;
            int itemHeight = tree.getItemHeight();
            int imageHeight = trailingImage.getBounds().height;
            int y = event.y + (itemHeight - imageHeight) / 2;
            event.gc.drawImage(trailingImage, x, y);
        }
    });

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

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From source file:org.eclipse.swt.snippets.Snippet114.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 114");
    Tree tree = new Tree(shell, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }/*  w  ww.j a v a 2  s. com*/
    Rectangle clientArea = shell.getClientArea();
    tree.setBounds(clientArea.x, clientArea.y, 100, 100);
    tree.addListener(SWT.Selection, event -> {
        String string = event.detail == SWT.CHECK ? "Checked" : "Selected";
        System.out.println(event.item + " " + string);
    });
    shell.setSize(200, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet90.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 90");
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 12; i++) {
        TreeItem treeItem = new TreeItem(tree, SWT.NONE);
        treeItem.setText("Item " + i);
    }/*  w  w w  . j  a  v a2s.c o  m*/
    tree.addListener(SWT.MouseDown, event -> {
        Point point = new Point(event.x, event.y);
        TreeItem item = tree.getItem(point);
        if (item != null) {
            System.out.println("Mouse down: " + item);
        }
    });
    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:TreeSingleSelection.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("TreeExample");

    Tree tree = new Tree(shell, SWT.SINGLE | SWT.BORDER);

    // Turn off drawing to avoid flicker
    tree.setRedraw(false);/*  w ww . j a  va  2 s . c o  m*/

    for (int i = 0; i < 5; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Root Item " + i);

        for (int j = 0; j < 3; j++) {
            TreeItem child = new TreeItem(item, SWT.NONE);
            child.setText("Child Item " + i + " - " + j);

            for (int k = 0; k < 3; k++) {
                TreeItem grandChild = new TreeItem(child, SWT.NONE);
                grandChild.setText("Grandchild Item " + i + " - " + j + " - " + k);
            }
        }
    }
    tree.setRedraw(true);

    tree.setBounds(10, 10, 400, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:TreeMultiSelection.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);

    shell.setText("TreeExample");

    Tree tree = new Tree(shell, SWT.MULTI | SWT.BORDER);

    // Turn off drawing to avoid flicker
    tree.setRedraw(false);/*  w  w w .  j a v  a  2s. c  om*/

    for (int i = 0; i < 5; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Root Item " + i);

        for (int j = 0; j < 3; j++) {
            TreeItem child = new TreeItem(item, SWT.NONE);
            child.setText("Child Item " + i + " - " + j);

            for (int k = 0; k < 3; k++) {
                TreeItem grandChild = new TreeItem(child, SWT.NONE);
                grandChild.setText("Grandchild Item " + i + " - " + j + " - " + k);
            }
        }
    }
    tree.setRedraw(true);

    tree.setBounds(10, 10, 400, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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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);//  w  ww.j  a v  a  2  s  . co m
    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.Snippet274.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 274");
    Tree tree = new Tree(shell, SWT.BORDER | SWT.CHECK);
    tree.addListener(SWT.Selection, event -> {
        if (event.detail == SWT.CHECK) {
            TreeItem item = (TreeItem) event.item;
            boolean checked = item.getChecked();
            checkItems(item, checked);/* ww  w .jav  a2s  . c  o m*/
            checkPath(item.getParentItem(), checked, false);
        }
    });
    for (int i = 0; i < 4; i++) {
        TreeItem itemI = new TreeItem(tree, SWT.NONE);
        itemI.setText("Item " + i);
        for (int j = 0; j < 4; j++) {
            TreeItem itemJ = new TreeItem(itemI, SWT.NONE);
            itemJ.setText("Item " + i + " " + j);
            for (int k = 0; k < 4; k++) {
                TreeItem itemK = new TreeItem(itemJ, SWT.NONE);
                itemK.setText("Item " + i + " " + j + " " + k);
            }
        }
    }
    Rectangle clientArea = shell.getClientArea();
    tree.setBounds(clientArea.x, clientArea.y, 200, 200);
    shell.pack();
    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);// www. j av a 2  s  .co  m
    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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