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

List of usage examples for org.eclipse.swt.widgets Tree setSize

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Introduction

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

Prototype

public void setSize(int width, int height)

Source Link

Document

Sets the receiver's size to the point specified by the arguments.

Usage

From source file:TreeItemInsert.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    tree.setSize(200, 200);
    for (int i = 0; i < 5; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }// ww w  . j  a  v  a 2  s.c  om

    TreeItem item = new TreeItem(tree, SWT.NONE, 1);
    item.setText("*** New Item ***");

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

From source file:Snippet102.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    tree.setSize(200, 200);
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }//  ww  w  .  j  a v a2s .  c o  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();
}

From source file:Snippet15.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    final Tree tree = new Tree(shell, SWT.BORDER);
    tree.setSize(100, 100);
    shell.setSize(200, 200);//from  ww w  .  j  a v  a2  s . c  o  m
    for (int i = 0; i < 4; i++) {
        TreeItem iItem = new TreeItem(tree, 0);
        iItem.setText("TreeItem (0) -" + i);
        for (int j = 0; j < 4; j++) {
            TreeItem jItem = new TreeItem(iItem, 0);
            jItem.setText("TreeItem (1) -" + j);
            for (int k = 0; k < 4; k++) {
                TreeItem kItem = new TreeItem(jItem, 0);
                kItem.setText("TreeItem (2) -" + k);
                for (int l = 0; l < 4; l++) {
                    TreeItem lItem = new TreeItem(kItem, 0);
                    lItem.setText("TreeItem (3) -" + l);
                }
            }
        }
    }
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:SWTTrees.java

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

    final Tree tree = new Tree(shell, SWT.BORDER);
    tree.setSize(290, 290);
    shell.setSize(300, 300);//  w w w.j  a  v a 2 s.c o  m

    for (int loopIndex1 = 0; loopIndex1 < 5; loopIndex1++) {
        TreeItem item0 = new TreeItem(tree, 0);
        item0.setText("Level 0 Item " + loopIndex1);
        for (int loopIndex2 = 0; loopIndex2 < 5; loopIndex2++) {
            TreeItem item1 = new TreeItem(item0, 0);
            item1.setText("Level 1 Item " + loopIndex2);
            for (int loopIndex3 = 0; loopIndex3 < 5; loopIndex3++) {
                TreeItem item2 = new TreeItem(item1, 0);
                item2.setText("Level 2 Item " + loopIndex3);
            }
        }
    }

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

From source file:TreeClass.java

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

    final Text text = new Text(shell, SWT.BORDER);
    text.setBounds(0, 270, 290, 25);/*from   w w  w  . j  a  v  a 2  s  . co  m*/

    final Tree tree = new Tree(shell, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    tree.setSize(290, 260);
    shell.setSize(300, 330);

    for (int loopIndex0 = 0; loopIndex0 < 10; loopIndex0++) {
        TreeItem treeItem0 = new TreeItem(tree, 0);
        treeItem0.setText("Level 0 Item " + loopIndex0);
        for (int loopIndex1 = 0; loopIndex1 < 10; loopIndex1++) {
            TreeItem treeItem1 = new TreeItem(treeItem0, 0);
            treeItem1.setText("Level 1 Item " + loopIndex1);
            for (int loopIndex2 = 0; loopIndex2 < 10; loopIndex2++) {
                TreeItem treeItem2 = new TreeItem(treeItem1, 0);
                treeItem2.setText("Level 2 Item " + loopIndex2);
            }
        }
    }

    tree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            if (event.detail == SWT.CHECK) {
                text.setText(event.item + " was checked.");
            } else {
                text.setText(event.item + " was selected");
            }
        }
    });

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

From source file:Snippet114.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    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);
    }/*from w  w w  .j a v  a  2s. c o  m*/
    tree.setSize(100, 100);
    tree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event 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();
}

From source file:TreeNodeSelection.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Tree tree = new Tree(shell, 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);
        for (int l = 0; l < 12; l++) {
            TreeItem litem = new TreeItem(item, SWT.NONE);
            litem.setText("Item " + i);
        }/*from w  w w . jav a  2 s  .  com*/

    }
    tree.setSize(100, 100);
    tree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event 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();
}

From source file:TreeNodeCheckBoxAdd.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    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);
        for (int l = 0; l < 12; l++) {
            TreeItem litem = new TreeItem(item, SWT.NONE);
            litem.setText("Item " + i);
        }/*from  w  w  w . j a  v  a  2 s.c o  m*/

    }
    tree.setSize(100, 100);

    shell.setSize(200, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet296.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 296");
    shell.setBounds(10, 10, 300, 300);/*from w w  w  .  j ava 2s  . c  om*/
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.VERTICAL);
    sc.setBounds(10, 10, 280, 200);
    final int clientWidth = sc.getClientArea().width;

    final Tree tree = new Tree(sc, SWT.NONE);
    for (int i = 0; i < 99; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("item " + i);
        new TreeItem(item, SWT.NONE).setText("child");
    }
    sc.setContent(tree);
    int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
    tree.setSize(clientWidth, prefHeight);
    /*
     * The following listener ensures that the Tree is always large
     * enough to not need to show its own vertical scrollbar.
     */
    tree.addTreeListener(new TreeListener() {
        @Override
        public void treeExpanded(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }

        @Override
        public void treeCollapsed(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }
    });
    /*
     * The following listener ensures that a newly-selected item
     * in the Tree is always visible.
     */
    tree.addSelectionListener(widgetSelectedAdapter(e -> {
        TreeItem[] selectedItems = tree.getSelection();
        if (selectedItems.length > 0) {
            Rectangle itemRect = selectedItems[0].getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (itemRect.x < origin.x || itemRect.y < origin.y
                    || itemRect.x + itemRect.width > origin.x + area.width
                    || itemRect.y + itemRect.height > origin.y + area.height) {
                sc.setOrigin(itemRect.x, itemRect.y);
            }
        }
    }));
    /*
     * The following listener scrolls the Tree one item at a time
     * in response to MouseWheel events.
     */
    tree.addListener(SWT.MouseWheel, event -> {
        Point origin = sc.getOrigin();
        if (event.count < 0) {
            origin.y = Math.min(origin.y + tree.getItemHeight(), tree.getSize().y);
        } else {
            origin.y = Math.max(origin.y - tree.getItemHeight(), 0);
        }
        sc.setOrigin(origin);
    });

    Button downButton = new Button(shell, SWT.PUSH);
    downButton.setBounds(10, 220, 120, 30);
    downButton.setText("Down 10px");
    downButton.addListener(SWT.Selection, event -> sc.setOrigin(0, sc.getOrigin().y + 10));
    Button upButton = new Button(shell, SWT.PUSH);
    upButton.setBounds(140, 220, 120, 30);
    upButton.setText("Up 10px");
    upButton.addListener(SWT.Selection, event -> sc.setOrigin(0, sc.getOrigin().y - 10));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet322.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 322");
    shell.setBounds(10, 10, 300, 300);/*ww  w . j  a va 2s .  c om*/
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.VERTICAL);
    sc.setBounds(10, 10, 280, 200);
    final int clientWidth = sc.getClientArea().width;

    final Tree tree = new Tree(sc, SWT.NONE);
    for (int i = 0; i < 99; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("item " + i);
        new TreeItem(item, SWT.NONE).setText("child");
    }
    sc.setContent(tree);
    int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
    tree.setSize(clientWidth, prefHeight);
    /*
     * The following listener ensures that the Tree is always large
     * enough to not need to show its own vertical scrollbar.
     */
    tree.addTreeListener(new TreeListener() {
        @Override
        public void treeExpanded(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }

        @Override
        public void treeCollapsed(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }
    });
    /*
     * The following listener ensures that a newly-selected item
     * in the Tree is always visible.
     */
    tree.addSelectionListener(widgetSelectedAdapter(e -> {
        TreeItem[] selectedItems = tree.getSelection();
        if (selectedItems.length > 0) {
            Rectangle itemRect = selectedItems[0].getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (itemRect.x < origin.x || itemRect.y < origin.y
                    || itemRect.x + itemRect.width > origin.x + area.width
                    || itemRect.y + itemRect.height > origin.y + area.height) {
                sc.setOrigin(itemRect.x, itemRect.y);
            }
        }
    }));
    /*
     * The following listener scrolls the Tree one item at a time
     * in response to MouseWheel events.
     */
    tree.addListener(SWT.MouseWheel, event -> {
        Point origin = sc.getOrigin();
        if (event.count < 0) {
            origin.y = Math.min(origin.y + tree.getItemHeight(), tree.getSize().y);
        } else {
            origin.y = Math.max(origin.y - tree.getItemHeight(), 0);
        }
        sc.setOrigin(origin);
    });

    Button disableButton = new Button(shell, SWT.PUSH);
    disableButton.setBounds(10, 220, 120, 30);
    disableButton.setText("Disable");
    disableButton.addListener(SWT.Selection, event -> tree.setEnabled(false));
    Button enableButton = new Button(shell, SWT.PUSH);
    enableButton.setBounds(140, 220, 120, 30);
    enableButton.setText("Enable");
    enableButton.addListener(SWT.Selection, event -> tree.setEnabled(true));

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