Attachment 76347 Details for Bug 51580 – Modified example view to the o.e.ui.tests plugin

[patch] Modified example view to the o.e.ui.tests plugin

51580_ui_tests_ct_patch.txt (text/plain), 9.71 KB, created by Chris Torrence

on 2007-08-17 17:47:40 EDT

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Creator: Chris Torrence

Created: 2007-08-17 17:47:40 EDT

Size: 9.71 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.ui.tests
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.ui.tests/plugin.xml,v
>retrieving revision 1.233
>diff -u -r1.233 plugin.xml
>--- plugin.xml	12 Jul 2007 18:38:28 -0000	1.233
>+++ plugin.xml	17 Aug 2007 20:02:50 -0000
>@@ -453,6 +453,12 @@
>             id="org.eclipse.ui.tests.manual.ViewWithSaveables"
>             name="View Owning Saveables">
>       </view>
>+      <view
>+            allowMultiple="true"
>+            class="org.eclipse.ui.tests.layout.constraints.LayoutConstraintsView"
>+            id="org.eclipse.ui.tests.layout.constraints.LayoutConstraintsView"
>+            name="Layout Constraints Test">
>+      </view>
> 
>    </extension>
>    <extension
>Index: Eclipse UI Tests/org/eclipse/ui/tests/layout/constraints/LayoutConstraintsView.java
>===================================================================
>RCS file: Eclipse UI Tests/org/eclipse/ui/tests/layout/constraints/LayoutConstraintsView.java
>diff -N Eclipse UI Tests/org/eclipse/ui/tests/layout/constraints/LayoutConstraintsView.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ Eclipse UI Tests/org/eclipse/ui/tests/layout/constraints/LayoutConstraintsView.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,278 @@
>+package org.eclipse.ui.tests.layout.constraints;
>+
>+import org.eclipse.jface.dialogs.MessageDialog;
>+import org.eclipse.jface.layout.GridDataFactory;
>+import org.eclipse.jface.layout.GridLayoutFactory;
>+import org.eclipse.jface.layout.LayoutConstants;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.events.SelectionAdapter;
>+import org.eclipse.swt.events.SelectionEvent;
>+import org.eclipse.swt.widgets.Button;
>+import org.eclipse.swt.widgets.Composite;
>+import org.eclipse.swt.widgets.Control;
>+import org.eclipse.swt.widgets.Label;
>+import org.eclipse.swt.widgets.Text;
>+import org.eclipse.ui.ISizeProvider;
>+import org.eclipse.ui.IWorkbenchPage;
>+import org.eclipse.ui.IWorkbenchPartConstants;
>+import org.eclipse.ui.PartInitException;
>+import org.eclipse.ui.part.ViewPart;
>+
>+public class LayoutConstraintsView extends ViewPart implements ISizeProvider {
>+
>+	private Control control;
>+
>+	private int minWidth = ISizeProvider.INFINITE;
>+	private int maxWidth = ISizeProvider.INFINITE;
>+	private int minHeight = ISizeProvider.INFINITE;
>+	private int maxHeight = ISizeProvider.INFINITE;
>+	private int quantizedWidth = ISizeProvider.INFINITE;
>+	private int quantizedHeight = ISizeProvider.INFINITE;
>+	private int fixedArea = ISizeProvider.INFINITE;
>+	private Text minWidthText;
>+	private Text maxWidthText;
>+	private Text quantizedWidthText;
>+	private Text minHeightText;
>+	private Text maxHeightText;
>+	private Text quantizedHeightText;
>+	private Text fixedAreaText;
>+	
>+	public void createPartControl(Composite parent) {
>+		control = parent;
>+		
>+		Composite buttonBar = new Composite(parent, SWT.NONE);
>+		{	
>+			GridDataFactory buttonData = GridDataFactory.fillDefaults().grab(true, false);
>+			
>+			Button applyButton = new Button(buttonBar, SWT.PUSH);
>+			applyButton.setText("Apply");
>+			applyButton.addSelectionListener(new SelectionAdapter() {
>+				/* (non-Javadoc)
>+				 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
>+				 */
>+				public void widgetSelected(SelectionEvent e) {
>+					applyPressed();
>+				}
>+			});
>+			buttonData.applyTo(applyButton);
>+	
>+			Button clearButton = new Button(buttonBar, SWT.PUSH);
>+			clearButton.setText("Reset");
>+			clearButton.addSelectionListener(new SelectionAdapter() {
>+				/* (non-Javadoc)
>+				 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
>+				 */
>+				public void widgetSelected(SelectionEvent e) {
>+				  minWidthText.setText("");
>+				  maxWidthText.setText("");
>+				  quantizedWidthText.setText("");
>+				  minHeightText.setText("");
>+				  maxHeightText.setText("");
>+				  quantizedHeightText.setText("");
>+				  fixedAreaText.setText("");
>+				  applyPressed();
>+				}
>+			});
>+			buttonData.applyTo(clearButton);
>+			
>+			Button newViewButton = new Button(buttonBar, SWT.PUSH);
>+			newViewButton.setText("New View");
>+			newViewButton.addSelectionListener(new SelectionAdapter() {
>+				/* (non-Javadoc)
>+				 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
>+				 */
>+				public void widgetSelected(SelectionEvent e) {
>+					try {
>+						getSite().getPage().showView("org.eclipse.ui.tests.layout.constraints.LayoutConstraintsView", 
>+								"" + System.currentTimeMillis(), IWorkbenchPage.VIEW_ACTIVATE);
>+					} catch (PartInitException e1) {
>+						MessageDialog.openError(getSite().getShell(), "Error opening view", "Unable to open view.");
>+					}
>+				}
>+			});
>+			buttonData.applyTo(newViewButton);
>+		
>+			GridLayoutFactory.fillDefaults().equalWidth(true).numColumns(3).applyTo(buttonBar);
>+		}
>+		GridDataFactory.fillDefaults().grab(true, false).span(2,1).applyTo(buttonBar);
>+		
>+		new Label(parent, SWT.NONE).setText("Min Width"); 
>+		minWidthText = createText(parent);
>+
>+		new Label(parent, SWT.NONE).setText("Max Width (blank = unbounded)"); 
>+		maxWidthText = createText(parent);
>+
>+		new Label(parent, SWT.NONE).setText("Quantized Width (blank = none)"); 
>+		quantizedWidthText = createText(parent);
>+		
>+		new Label(parent, SWT.NONE).setText("Min Height"); 
>+		minHeightText = createText(parent);
>+
>+		new Label(parent, SWT.NONE).setText("Max Height (blank = unbounded)");
>+		maxHeightText = createText(parent);
>+
>+		new Label(parent, SWT.NONE).setText("Quantized Height (blank = none)"); 
>+		quantizedHeightText = createText(parent);		
>+
>+		new Label(parent, SWT.NONE).setText("Fixed Area (blank = none"); 
>+		fixedAreaText = createText(parent);
>+		
>+		
>+		GridLayoutFactory.fillDefaults().numColumns(2).margins(LayoutConstants.getMargins()).generateLayout(parent);
>+	}
>+
>+	/**
>+	 * 
>+	 */
>+	protected void applyPressed() {
>+		// Copy the values from the text boxes
>+		minWidth = getInt(minWidthText);
>+		maxWidth = getInt(maxWidthText);
>+		quantizedWidth = getInt(quantizedWidthText);
>+		minHeight = getInt(minHeightText);
>+		maxHeight = getInt(maxHeightText);
>+		quantizedHeight = getInt(quantizedHeightText);
>+		fixedArea = getInt(fixedAreaText);
>+		
>+		// Trigger a workbench layout
>+		updateLayout();
>+	}
>+
>+	/* (non-Javadoc)
>+	 * @see org.eclipse.ui.ISizeProvider#getSizeFlags(boolean)
>+	 */
>+	public int getSizeFlags(boolean width) {
>+		int flags = 0;
>+		if (width) {
>+			if (minWidth != ISizeProvider.INFINITE) {
>+				flags |= SWT.MIN;
>+			}
>+			if (maxWidth != ISizeProvider.INFINITE) {
>+				flags |= SWT.MAX;
>+			}
>+			if (quantizedWidth != ISizeProvider.INFINITE || fixedArea != ISizeProvider.INFINITE) {
>+				flags |= SWT.FILL;
>+			}
>+			if (fixedArea != ISizeProvider.INFINITE) {
>+				flags |= SWT.WRAP;
>+			}
>+		} else {
>+			if (minHeight != ISizeProvider.INFINITE) {
>+				flags |= SWT.MIN;
>+			}
>+			if (maxHeight != ISizeProvider.INFINITE) {
>+				flags |= SWT.MAX;
>+			}
>+			if (quantizedHeight != ISizeProvider.INFINITE || fixedArea != ISizeProvider.INFINITE) {
>+				flags |= SWT.FILL;
>+			}
>+			if (fixedArea != ISizeProvider.INFINITE) {
>+				flags |= SWT.WRAP;
>+			}			
>+		}
>+		
>+		return flags;
>+	}
>+
>+	/**
>+	 * @param minWidth2
>+	 * @return
>+	 */
>+	private int getInt(Text text) {
>+		if (text.getText().equals("")) {
>+			return ISizeProvider.INFINITE;
>+		}
>+		
>+		try {
>+			return Integer.parseInt(text.getText());
>+		} catch (NumberFormatException e) {
>+			return ISizeProvider.INFINITE;
>+		}
>+	}
>+
>+	/**
>+	 * 
>+	 */
>+	protected void updateLayout() {
>+		firePropertyChange(IWorkbenchPartConstants.PROP_PREFERRED_SIZE);
>+	}
>+
>+	/**
>+	 * @param parent
>+	 */
>+	private Text createText(Composite parent) {
>+		return new Text(parent, SWT.BORDER);		
>+	}
>+
>+	public void setFocus() {
>+		control.setFocus();
>+	}
>+
>+	/* (non-Javadoc)
>+	 * @see org.eclipse.ui.ISizeProvider#computePreferredSize(boolean, int, int, int)
>+	 */
>+	public int computePreferredSize(boolean width, int availableParallel,
>+			int availablePerpendicular, int preferredResult) {
>+
>+		int area = fixedArea;
>+		int result = preferredResult;
>+		// If we're trying to maintain a fixed area, compute the preferred width in terms
>+		// of the available height or vise-versa. A view that is trying to exactly fit a wrapping
>+		// widget would use similar logic
>+		if (area != ISizeProvider.INFINITE) {
>+			if (availablePerpendicular == 0) {
>+				result = 0;
>+			} else {
>+				result = area / availablePerpendicular;
>+			}
>+			
>+			if (result < 30) {
>+				result = 30;
>+			}
>+		}
>+
>+		// Get the user-entered minimum, maximum, and quantized sizes for this dimension
>+		int min;
>+		int max;
>+		int quant;
>+		
>+		if (width) {
>+			min = minWidth;
>+			max = maxWidth;
>+			quant = quantizedWidth;
>+		} else {
>+			min = minHeight;
>+			max = maxHeight;
>+			quant = quantizedHeight;
>+		}
>+
>+		// If we're using quantized sizes, jump to the nearest multiple
>+		// of the quantized size
>+		if (quant != ISizeProvider.INFINITE && quant != 0) {
>+		  result = Math.min(result + quant / 2, availableParallel);
>+		  result = result - (result % quant);
>+		}
>+		
>+		// Ensure we go no smaller than the minimum size
>+		if (min != ISizeProvider.INFINITE && result < min) {
>+			result = min;
>+		}
>+		
>+		// Ensure we go no larger than the maximum size
>+		if (result > max) {
>+			result = max;
>+		}
>+		
>+		// Ensure that we don't use more than the available space
>+		if (result > availableParallel) {
>+			result = availableParallel;
>+		}
>+		
>+		if (result < 0) {
>+			result = 0;
>+		}
>+
>+		return result;
>+	}
>+
>+}

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Attachments on bug 51580: 8564 | 8565 | 59221 | 59222 | 76344 | 76347 | 76462 | 76508