Example usage for java.awt TextField getPreferredSize

Introduction

In this page you can find the example usage for java.awt TextField getPreferredSize.

Prototype

public Dimension getPreferredSize() 

Source Link

Document

Gets the preferred size of this text field.

Usage

From source file:SystemFileTree.java

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

    RGB color = shell.getBackground().getRGB();
    Label separator1 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Label locationLb = new Label(shell, SWT.NONE);
    locationLb.setText("Location:");
    Composite locationComp = new Composite(shell, SWT.EMBEDDED);
    Label separator2 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    final Composite comp = new Composite(shell, SWT.NONE);
    final Tree fileTree = new Tree(comp, SWT.SINGLE | SWT.BORDER);
    Sash sash = new Sash(comp, SWT.VERTICAL);
    Composite tableComp = new Composite(comp, SWT.EMBEDDED);
    Label separator3 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Composite statusComp = new Composite(shell, SWT.EMBEDDED);

    java.awt.Frame locationFrame = SWT_AWT.new_Frame(locationComp);
    final java.awt.TextField locationText = new java.awt.TextField();
    locationFrame.add(locationText);//  w w  w. jav  a 2  s.c  o m

    java.awt.Frame statusFrame = SWT_AWT.new_Frame(statusComp);
    statusFrame.setBackground(new java.awt.Color(color.red, color.green, color.blue));
    final java.awt.Label statusLabel = new java.awt.Label();
    statusFrame.add(statusLabel);
    statusLabel.setText("Select a file");

    sash.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            if (e.detail == SWT.DRAG)
                return;
            GridData data = (GridData) fileTree.getLayoutData();
            Rectangle trim = fileTree.computeTrim(0, 0, 0, 0);
            data.widthHint = e.x - trim.width;
            comp.layout();
        }
    });

    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
        File file = roots[i];
        TreeItem treeItem = new TreeItem(fileTree, SWT.NONE);
        treeItem.setText(file.getAbsolutePath());
        treeItem.setData(file);
        new TreeItem(treeItem, SWT.NONE);
    }
    fileTree.addListener(SWT.Expand, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            if (item.getItemCount() == 1) {
                TreeItem firstItem = item.getItems()[0];
                if (firstItem.getData() != null)
                    return;
                firstItem.dispose();
            } else {
                return;
            }
            File root = (File) item.getData();
            File[] files = root.listFiles();
            if (files == null)
                return;
            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                if (file.isDirectory()) {
                    TreeItem treeItem = new TreeItem(item, SWT.NONE);
                    treeItem.setText(file.getName());
                    treeItem.setData(file);
                    new TreeItem(treeItem, SWT.NONE);
                }
            }
        }
    });
    fileTree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            final File root = (File) item.getData();
            statusLabel.setText(root.getAbsolutePath());
            locationText.setText(root.getAbsolutePath());
        }
    });

    GridLayout layout = new GridLayout(4, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    shell.setLayout(layout);
    GridData data;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator1.setLayoutData(data);
    data = new GridData();
    data.horizontalSpan = 1;
    data.horizontalIndent = 10;
    locationLb.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = locationText.getPreferredSize().height;
    locationComp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 1;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator2.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 4;
    comp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator3.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    data.heightHint = statusLabel.getPreferredSize().height;
    statusComp.setLayoutData(data);

    layout = new GridLayout(3, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    comp.setLayout(layout);
    data = new GridData(GridData.FILL_VERTICAL);
    data.widthHint = 200;
    fileTree.setLayoutData(data);
    data = new GridData(GridData.FILL_VERTICAL);
    sash.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    tableComp.setLayoutData(data);

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

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From source file:org.eclipse.swt.snippets.Snippet135.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing/AWT Example");

    Listener exitListener = e -> {/*  www  . jav a  2 s.com*/
        MessageBox dialog = new MessageBox(shell, SWT.OK | SWT.CANCEL | SWT.ICON_QUESTION);
        dialog.setText("Question");
        dialog.setMessage("Exit?");
        if (e.type == SWT.Close)
            e.doit = false;
        if (dialog.open() != SWT.OK)
            return;
        shell.dispose();
    };
    Listener aboutListener = e -> {
        final Shell s = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
        s.setText("About");
        GridLayout layout = new GridLayout(1, false);
        layout.verticalSpacing = 20;
        layout.marginHeight = layout.marginWidth = 10;
        s.setLayout(layout);
        Label label = new Label(s, SWT.NONE);
        label.setText("SWT and AWT Example.");
        Button button = new Button(s, SWT.PUSH);
        button.setText("OK");
        GridData data = new GridData();
        data.horizontalAlignment = GridData.CENTER;
        button.setLayoutData(data);
        button.addListener(SWT.Selection, event -> s.dispose());
        s.pack();
        Rectangle parentBounds = shell.getBounds();
        Rectangle bounds = s.getBounds();
        int x = parentBounds.x + (parentBounds.width - bounds.width) / 2;
        int y = parentBounds.y + (parentBounds.height - bounds.height) / 2;
        s.setLocation(x, y);
        s.open();
        while (!s.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    };
    shell.addListener(SWT.Close, exitListener);
    Menu mb = new Menu(shell, SWT.BAR);
    MenuItem fileItem = new MenuItem(mb, SWT.CASCADE);
    fileItem.setText("&File");
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(fileMenu);
    MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
    exitItem.setText("&Exit\tCtrl+X");
    exitItem.setAccelerator(SWT.CONTROL + 'X');
    exitItem.addListener(SWT.Selection, exitListener);
    MenuItem aboutItem = new MenuItem(fileMenu, SWT.PUSH);
    aboutItem.setText("&About\tCtrl+A");
    aboutItem.setAccelerator(SWT.CONTROL + 'A');
    aboutItem.addListener(SWT.Selection, aboutListener);
    shell.setMenuBar(mb);

    RGB color = shell.getBackground().getRGB();
    Label separator1 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Label locationLb = new Label(shell, SWT.NONE);
    locationLb.setText("Location:");
    Composite locationComp = new Composite(shell, SWT.EMBEDDED);
    ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
    ToolItem exitToolItem = new ToolItem(toolBar, SWT.PUSH);
    exitToolItem.setText("&Exit");
    exitToolItem.addListener(SWT.Selection, exitListener);
    ToolItem aboutToolItem = new ToolItem(toolBar, SWT.PUSH);
    aboutToolItem.setText("&About");
    aboutToolItem.addListener(SWT.Selection, aboutListener);
    Label separator2 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    final Composite comp = new Composite(shell, SWT.NONE);
    final Tree fileTree = new Tree(comp, SWT.SINGLE | SWT.BORDER);
    Sash sash = new Sash(comp, SWT.VERTICAL);
    Composite tableComp = new Composite(comp, SWT.EMBEDDED);
    Label separator3 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Composite statusComp = new Composite(shell, SWT.EMBEDDED);

    java.awt.Frame locationFrame = SWT_AWT.new_Frame(locationComp);
    final java.awt.TextField locationText = new java.awt.TextField();
    locationFrame.add(locationText);

    java.awt.Frame fileTableFrame = SWT_AWT.new_Frame(tableComp);
    java.awt.Panel panel = new java.awt.Panel(new java.awt.BorderLayout());
    fileTableFrame.add(panel);
    final JTable fileTable = new JTable(new FileTableModel(null));
    fileTable.setDoubleBuffered(true);
    fileTable.setShowGrid(false);
    fileTable.createDefaultColumnsFromModel();
    JScrollPane scrollPane = new JScrollPane(fileTable);
    panel.add(scrollPane);

    java.awt.Frame statusFrame = SWT_AWT.new_Frame(statusComp);
    statusFrame.setBackground(new java.awt.Color(color.red, color.green, color.blue));
    final java.awt.Label statusLabel = new java.awt.Label();
    statusFrame.add(statusLabel);
    statusLabel.setText("Select a file");

    sash.addListener(SWT.Selection, e -> {
        if (e.detail == SWT.DRAG)
            return;
        GridData data = (GridData) fileTree.getLayoutData();
        Rectangle trim = fileTree.computeTrim(0, 0, 0, 0);
        data.widthHint = e.x - trim.width;
        comp.layout();
    });

    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
        File file = roots[i];
        TreeItem treeItem = new TreeItem(fileTree, SWT.NONE);
        treeItem.setText(file.getAbsolutePath());
        treeItem.setData(file);
        new TreeItem(treeItem, SWT.NONE);
    }
    fileTree.addListener(SWT.Expand, e -> {
        TreeItem item = (TreeItem) e.item;
        if (item == null)
            return;
        if (item.getItemCount() == 1) {
            TreeItem firstItem = item.getItems()[0];
            if (firstItem.getData() != null)
                return;
            firstItem.dispose();
        } else {
            return;
        }
        File root = (File) item.getData();
        File[] files = root.listFiles();
        if (files == null)
            return;
        for (int i = 0; i < files.length; i++) {
            File file = files[i];
            if (file.isDirectory()) {
                TreeItem treeItem = new TreeItem(item, SWT.NONE);
                treeItem.setText(file.getName());
                treeItem.setData(file);
                new TreeItem(treeItem, SWT.NONE);
            }
        }
    });
    fileTree.addListener(SWT.Selection, e -> {
        TreeItem item = (TreeItem) e.item;
        if (item == null)
            return;
        final File root = (File) item.getData();
        EventQueue.invokeLater(() -> {
            statusLabel.setText(root.getAbsolutePath());
            locationText.setText(root.getAbsolutePath());
            fileTable.setModel(new FileTableModel(root.listFiles()));
        });
    });

    GridLayout layout = new GridLayout(4, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    shell.setLayout(layout);
    GridData data;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator1.setLayoutData(data);
    data = new GridData();
    data.horizontalSpan = 1;
    data.horizontalIndent = 10;
    locationLb.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = locationText.getPreferredSize().height;
    locationComp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 1;
    toolBar.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator2.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 4;
    comp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator3.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    data.heightHint = statusLabel.getPreferredSize().height;
    statusComp.setLayoutData(data);

    layout = new GridLayout(3, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    comp.setLayout(layout);
    data = new GridData(GridData.FILL_VERTICAL);
    data.widthHint = 200;
    fileTree.setLayoutData(data);
    data = new GridData(GridData.FILL_VERTICAL);
    sash.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    tableComp.setLayoutData(data);

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

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From source file:Snippet135.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing/AWT Example");

    Listener exitListener = new Listener() {
        public void handleEvent(Event e) {
            MessageBox dialog = new MessageBox(shell, SWT.OK | SWT.CANCEL | SWT.ICON_QUESTION);
            dialog.setText("Question");
            dialog.setMessage("Exit?");
            if (e.type == SWT.Close)
                e.doit = false;/*from w  w  w .ja v  a 2s. c  o  m*/
            if (dialog.open() != SWT.OK)
                return;
            shell.dispose();
        }
    };
    Listener aboutListener = new Listener() {
        public void handleEvent(Event e) {
            final Shell s = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
            s.setText("About");
            GridLayout layout = new GridLayout(1, false);
            layout.verticalSpacing = 20;
            layout.marginHeight = layout.marginWidth = 10;
            s.setLayout(layout);
            Label label = new Label(s, SWT.NONE);
            label.setText("SWT and AWT Example.");
            Button button = new Button(s, SWT.PUSH);
            button.setText("OK");
            GridData data = new GridData();
            data.horizontalAlignment = GridData.CENTER;
            button.setLayoutData(data);
            button.addListener(SWT.Selection, new Listener() {
                public void handleEvent(Event event) {
                    s.dispose();
                }
            });
            s.pack();
            Rectangle parentBounds = shell.getBounds();
            Rectangle bounds = s.getBounds();
            int x = parentBounds.x + (parentBounds.width - bounds.width) / 2;
            int y = parentBounds.y + (parentBounds.height - bounds.height) / 2;
            s.setLocation(x, y);
            s.open();
            while (!s.isDisposed()) {
                if (!display.readAndDispatch())
                    display.sleep();
            }
        }
    };
    shell.addListener(SWT.Close, exitListener);
    Menu mb = new Menu(shell, SWT.BAR);
    MenuItem fileItem = new MenuItem(mb, SWT.CASCADE);
    fileItem.setText("&File");
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(fileMenu);
    MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
    exitItem.setText("&Exit\tCtrl+X");
    exitItem.setAccelerator(SWT.CONTROL + 'X');
    exitItem.addListener(SWT.Selection, exitListener);
    MenuItem aboutItem = new MenuItem(fileMenu, SWT.PUSH);
    aboutItem.setText("&About\tCtrl+A");
    aboutItem.setAccelerator(SWT.CONTROL + 'A');
    aboutItem.addListener(SWT.Selection, aboutListener);
    shell.setMenuBar(mb);

    RGB color = shell.getBackground().getRGB();
    Label separator1 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Label locationLb = new Label(shell, SWT.NONE);
    locationLb.setText("Location:");
    Composite locationComp = new Composite(shell, SWT.EMBEDDED);
    ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
    ToolItem exitToolItem = new ToolItem(toolBar, SWT.PUSH);
    exitToolItem.setText("&Exit");
    exitToolItem.addListener(SWT.Selection, exitListener);
    ToolItem aboutToolItem = new ToolItem(toolBar, SWT.PUSH);
    aboutToolItem.setText("&About");
    aboutToolItem.addListener(SWT.Selection, aboutListener);
    Label separator2 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    final Composite comp = new Composite(shell, SWT.NONE);
    final Tree fileTree = new Tree(comp, SWT.SINGLE | SWT.BORDER);
    Sash sash = new Sash(comp, SWT.VERTICAL);
    Composite tableComp = new Composite(comp, SWT.EMBEDDED);
    Label separator3 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Composite statusComp = new Composite(shell, SWT.EMBEDDED);

    java.awt.Frame locationFrame = SWT_AWT.new_Frame(locationComp);
    final java.awt.TextField locationText = new java.awt.TextField();
    locationFrame.add(locationText);

    java.awt.Frame fileTableFrame = SWT_AWT.new_Frame(tableComp);
    java.awt.Panel panel = new java.awt.Panel(new java.awt.BorderLayout());
    fileTableFrame.add(panel);
    final JTable fileTable = new JTable(new FileTableModel(null));
    fileTable.setDoubleBuffered(true);
    fileTable.setShowGrid(false);
    fileTable.createDefaultColumnsFromModel();
    JScrollPane scrollPane = new JScrollPane(fileTable);
    panel.add(scrollPane);

    java.awt.Frame statusFrame = SWT_AWT.new_Frame(statusComp);
    statusFrame.setBackground(new java.awt.Color(color.red, color.green, color.blue));
    final java.awt.Label statusLabel = new java.awt.Label();
    statusFrame.add(statusLabel);
    statusLabel.setText("Select a file");

    sash.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            if (e.detail == SWT.DRAG)
                return;
            GridData data = (GridData) fileTree.getLayoutData();
            Rectangle trim = fileTree.computeTrim(0, 0, 0, 0);
            data.widthHint = e.x - trim.width;
            comp.layout();
        }
    });

    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
        File file = roots[i];
        TreeItem treeItem = new TreeItem(fileTree, SWT.NONE);
        treeItem.setText(file.getAbsolutePath());
        treeItem.setData(file);
        new TreeItem(treeItem, SWT.NONE);
    }
    fileTree.addListener(SWT.Expand, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            if (item.getItemCount() == 1) {
                TreeItem firstItem = item.getItems()[0];
                if (firstItem.getData() != null)
                    return;
                firstItem.dispose();
            } else {
                return;
            }
            File root = (File) item.getData();
            File[] files = root.listFiles();
            if (files == null)
                return;
            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                if (file.isDirectory()) {
                    TreeItem treeItem = new TreeItem(item, SWT.NONE);
                    treeItem.setText(file.getName());
                    treeItem.setData(file);
                    new TreeItem(treeItem, SWT.NONE);
                }
            }
        }
    });
    fileTree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            final File root = (File) item.getData();
            EventQueue.invokeLater(new Runnable() {
                public void run() {
                    statusLabel.setText(root.getAbsolutePath());
                    locationText.setText(root.getAbsolutePath());
                    fileTable.setModel(new FileTableModel(root.listFiles()));
                }
            });
        }
    });

    GridLayout layout = new GridLayout(4, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    shell.setLayout(layout);
    GridData data;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator1.setLayoutData(data);
    data = new GridData();
    data.horizontalSpan = 1;
    data.horizontalIndent = 10;
    locationLb.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = locationText.getPreferredSize().height;
    locationComp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 1;
    toolBar.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator2.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 4;
    comp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator3.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    data.heightHint = statusLabel.getPreferredSize().height;
    statusComp.setLayoutData(data);

    layout = new GridLayout(3, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    comp.setLayout(layout);
    data = new GridData(GridData.FILL_VERTICAL);
    data.widthHint = 200;
    fileTree.setLayoutData(data);
    data = new GridData(GridData.FILL_VERTICAL);
    sash.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    tableComp.setLayoutData(data);

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

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