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

Introduction

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

Prototype

public Tree(Composite parent, int style) 

Source Link

Document

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

Usage

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);
            }/*w  w w. ja  v  a 2 s.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: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);/*w w w .  j ava 2  s . c om*/
    shell.setSize(200, 200);
    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();
}

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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);/*from  w w  w  .ja va2  s . c  o  m*/
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
    }
    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: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);
            }/*www  . j  av a 2 s  . c om*/
        }
    }
    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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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);/* ww w. jav a2s .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();
}

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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 ww  w  .  j  av  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();
}

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From source file:CreateTreeWithcolumns.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Tree tree = new Tree(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);/*w  w w  . j a  va2s. c o  m*/
    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    column1.setText("Column 1");
    column1.setWidth(200);
    TreeColumn column2 = new TreeColumn(tree, SWT.CENTER);
    column2.setText("Column 2");
    column2.setWidth(200);
    TreeColumn column3 = new TreeColumn(tree, SWT.RIGHT);
    column3.setText("Column 3");
    column3.setWidth(200);
    for (int i = 0; i < 4; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText(new String[] { "item " + i, "abc", "defghi" });
        for (int j = 0; j < 4; j++) {
            TreeItem subItem = new TreeItem(item, SWT.NONE);
            subItem.setText(new String[] { "subitem " + j, "jklmnop", "qrs" });
            for (int k = 0; k < 4; k++) {
                TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
                subsubItem.setText(new String[] { "subsubitem " + k, "tuv", "wxyz" });
            }
        }
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:TreeEditorF2Trigger.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Text Tree Editor");
    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("Item " + (i + 1));
        for (int j = 0; j < 3; j++) {
            TreeItem jItem = new TreeItem(iItem, SWT.NONE);
            jItem.setText("Sub Item " + (j + 1));
            for (int k = 0; k < 3; k++) {
                new TreeItem(jItem, SWT.NONE).setText("Sub Sub Item " + (k + 1));
            }/*from   w  w  w.  j av  a2 s  . co m*/
            jItem.setExpanded(true);
        }
        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];

                int style = SWT.ICON_QUESTION | SWT.YES | SWT.NO;

                MessageBox messageBox = new MessageBox(shell, style);
                messageBox.setMessage("Message");
                int rc = messageBox.open();

                item.setText(rc + "");
            }
        }
    });

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

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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);//from  ww w .jav  a 2  s  .  c o  m
    shell.setSize(300, 300);

    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: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  a2  s .  c om

    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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