Attachment 14507 Details for Bug 71684 – An Example for Draw2D GridLayout

An Example for Draw2D GridLayout

GridLayoutExample.java (text/x-java), 9.01 KB, created by Asim Ullah

on 2004-09-11 13:18:09 EDT

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Filename:

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Creator: Asim Ullah

Created: 2004-09-11 13:18:09 EDT

Size: 9.01 KB

patch

obsolete

>package org.eclipse.draw2d.examples.layouts;
>
>import org.eclipse.draw2d.*;
>import org.eclipse.draw2d.examples.*;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.SelectionAdapter;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Combo;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Group;
>import org.eclipse.swt.widgets.Label;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Text;
>
>/**
> * @author Asim Ullah
> * Sep 10, 2004
> */
>public class GridLayoutExample extends AbstractExample {
>    
>	GridLayout layout;
>    
>	public static void main(String[] args) {
>		new GridLayoutExample().run();
>	}
>
>	/**
>	 * @see org.eclipse.draw2d.examples.AbstractExample#getContents()
>	 */
>	protected IFigure getContents() {
>		Figure container = new Figure();
>		container.setBorder(new LineBorder());
>
>		layout = new GridLayout();
>		layout.numColumns = 2;
>		layout.makeColumnsEqualWidth = false;
>
>		container.setLayoutManager(layout);
>
>		Shape shape;
>
>		shape = new Ellipse();
>		shape.setBackgroundColor(ColorConstants.blue);
>		shape.setSize(60, 40);
>		container.add(shape);
>
>		shape = new RectangleFigure();
>		shape.setBackgroundColor(ColorConstants.red);
>		shape.setSize(30, 70);
>		container.add(shape);
>
>		shape = new RoundedRectangle();
>		shape.setBackgroundColor(ColorConstants.yellow);
>		shape.setSize(90, 30);
>		container.add(shape);
>
>		shape = new RectangleFigure();
>		shape.setBackgroundColor(ColorConstants.gray);
>		shape.setSize(50, 80);
>		container.add(shape);
>
>		shape = new Ellipse();
>		shape.setBackgroundColor(ColorConstants.green);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new Triangle();
>		shape.setBackgroundColor(ColorConstants.black);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new RoundedRectangle();
>		shape.setBackgroundColor(ColorConstants.cyan);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new RectangleFigure();
>		shape.setBackgroundColor(ColorConstants.darkGreen);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new Triangle();
>		shape.setBackgroundColor(ColorConstants.orange);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new Ellipse();
>		shape.setBackgroundColor(ColorConstants.red);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		shape = new RoundedRectangle();
>		shape.setBackgroundColor(ColorConstants.yellow);
>		shape.setSize(50, 50);
>		container.add(shape);
>
>		return container;
>	}
>    
>    protected Integer getEventValue(Event e, String id)
>    {
>        int val = 1;
>        try {
>                if (e.widget instanceof Text){
>                    val = Integer.parseInt(((Text) e.widget).getText());
>                }
>        } catch (NumberFormatException ex) {
>            System.out.println("Error: Invalid Number entered for "+id);
>        }       
>        return new Integer(val);
>    }
>    protected Integer getEventValue(SelectionEvent e, String id)
>    {
>        int val = 5;
>        try {
>        	    if (e.widget instanceof Combo){
>                    val=Integer.parseInt(((Combo) e.widget).getText());
>                }
>        } catch (NumberFormatException ex) {
>            System.out.println("Error: Invalid Number entered for "+id);
>        }       
>        return new Integer(val);       
>    }
>
>	/**
>	 * @see org.eclipse.draw2d.examples.AbstractExample#hookShell()
>	 */
>	protected void hookShell() {
>		Composite composite = new Composite(shell, 0);
>		composite.setLayoutData(new org.eclipse.swt.layout.GridData(
>				org.eclipse.swt.layout.GridData.FILL_VERTICAL));
>		composite.setLayout(new org.eclipse.swt.layout.GridLayout());
>
>		org.eclipse.swt.layout.GridLayout _layout;
>		org.eclipse.swt.layout.GridData _data;
>        
>		// Columns section
>		Group columnsGroup = new Group(composite, 0);
>		columnsGroup.setText("Columns");
>
>		_layout = new org.eclipse.swt.layout.GridLayout();
>		_layout.numColumns = 2;
>		columnsGroup.setLayout(_layout);
>
>		_data = new org.eclipse.swt.layout.GridData(
>				org.eclipse.swt.layout.GridData.VERTICAL_ALIGN_FILL);
>		columnsGroup.setLayoutData(_data);
>		Text numColumns = new Text(columnsGroup, SWT.BORDER);
>		numColumns.setText("2");
>		numColumns.addListener(SWT.DefaultSelection, new Listener() {
>			public void handleEvent(Event e) {
>				layout.numColumns = getEventValue( e, "numColumns").intValue();
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.widthHint = 15;
>		numColumns.setLayoutData(_data);
>		new Label(columnsGroup, SWT.NONE).setText("numColumns");
>
>		Button makeColumnsEqualWidth = new Button(columnsGroup, SWT.CHECK);
>		makeColumnsEqualWidth.setText("makeColumnsEqualWidth");
>		makeColumnsEqualWidth.setSelection(false);
>		makeColumnsEqualWidth.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>				layout.makeColumnsEqualWidth = !layout.makeColumnsEqualWidth;
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.horizontalSpan = 2;
>		_data.horizontalIndent = 14;
>		makeColumnsEqualWidth.setLayoutData(_data);
>
>		//Margins and Spacing section
>
>		Group marginGroup = new Group(composite, 0);
>		marginGroup.setLayout(new FillLayout(SWT.VERTICAL));
>		marginGroup.setText("Margins and Spacing");
>
>		String[] marginValues = new String[]{"0", "3", "5", "10"};
>
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.verticalSpan = 2;
>		marginGroup.setLayoutData(_data);
>		_layout = new org.eclipse.swt.layout.GridLayout();
>		_layout.numColumns = 2;
>		marginGroup.setLayout(_layout);
>		new Label(marginGroup, SWT.NONE).setText("marginHeight");
>		Combo marginHeight = new Combo(marginGroup, SWT.NONE);
>		marginHeight.setItems(marginValues);
>		marginHeight.select(2);
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.widthHint = 60;
>		marginHeight.setLayoutData(_data);
>
>		marginHeight.addListener(SWT.DefaultSelection, new Listener() {
>			public void handleEvent(Event e) {
>                layout.marginHeight = getEventValue( e, "marginHeight").intValue();
>				contents.revalidate();
>				shell.pack();
>			};
>		});
>		marginHeight.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>                layout.marginHeight = getEventValue( e, "marginHeight").intValue();
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>
>		new Label(marginGroup, SWT.NONE).setText("marginWidth");
>		Combo marginWidth = new Combo(marginGroup, SWT.NONE);
>		marginWidth.setItems(marginValues);
>		marginWidth.select(2);
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.widthHint = 60;
>		marginWidth.setLayoutData(_data);
>
>		marginWidth.addListener(SWT.DefaultSelection, new Listener() {
>			public void handleEvent(Event e) {
>				layout.marginWidth = getEventValue( e, "marginWidth").intValue();
>				contents.revalidate();
>				shell.pack();
>			};
>		});
>		marginWidth.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>                layout.marginWidth = getEventValue( e, "marginWidth").intValue();
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>
>		new Label(marginGroup, SWT.NONE).setText("horizontalSpacing");
>		Combo horizontalSpacing = new Combo(marginGroup, SWT.NONE);
>		horizontalSpacing.setItems(marginValues);
>		horizontalSpacing.select(2);
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.widthHint = 60;
>		horizontalSpacing.setLayoutData(_data);
>
>		horizontalSpacing.addListener(SWT.DefaultSelection, new Listener() {
>			public void handleEvent(Event e) {
>				layout.horizontalSpacing = getEventValue( e, "horizontalSpacing").intValue();
>				contents.revalidate();
>				shell.pack();
>			};
>		});
>		horizontalSpacing.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>                layout.horizontalSpacing = getEventValue( e, "horizontalSpacing").intValue();
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>
>		new Label(marginGroup, SWT.NONE).setText("verticalSpacing");
>		Combo verticalSpacing = new Combo(marginGroup, SWT.NONE);
>		verticalSpacing.setItems(marginValues);
>		verticalSpacing.select(2);
>		_data = new org.eclipse.swt.layout.GridData();
>		_data.widthHint = 60;
>		verticalSpacing.setLayoutData(_data);
>
>		verticalSpacing.addListener(SWT.DefaultSelection, new Listener() {
>			public void handleEvent(Event e) {
>				layout.verticalSpacing = getEventValue( e, "verticalSpacing").intValue();
>				contents.revalidate();
>				shell.pack();
>			};
>		});
>
>		verticalSpacing.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>				layout.verticalSpacing = getEventValue( e, "verticalSpacing").intValue();;
>				contents.revalidate();
>				shell.pack();
>			}
>		});
>
>	}//hookShell
>
>}

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Attachments on bug 71684: 14505 | 14506 | 14507 | 14522 | 14523 | 53414