X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/SelectionStatusDialog.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/SelectionStatusDialog.java
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--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/SelectionStatusDialog.java
@@ -0,0 +1,154 @@
+package net.sourceforge.phpdt.internal.ui.dialogs;
+
+import java.util.Arrays;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.dialogs.SelectionDialog;
+
+/**
+ * An abstract base class for dialogs with a status bar and ok/cancel buttons.
+ * The status message must be passed over as StatusInfo object and can be an
+ * error, warning or ok. The OK button is enabled or disabled depending on the
+ * status.
+ */
+public abstract class SelectionStatusDialog extends SelectionDialog {
+
+	private MessageLine fStatusLine;
+
+	private IStatus fLastStatus;
+
+	private Image fImage;
+
+	private boolean fStatusLineAboveButtons = false;
+
+	/**
+	 * Creates an instance of a <code>SelectionStatusDialog</code>.
+	 */
+	public SelectionStatusDialog(Shell parent) {
+		super(parent);
+	}
+
+	/**
+	 * Controls whether status line appears to the left of the buttons (default)
+	 * or above them.
+	 * 
+	 * @param aboveButtons
+	 *            if <code>true</code> status line is placed above buttons; if
+	 *            <code>false</code> to the right
+	 */
+	public void setStatusLineAboveButtons(boolean aboveButtons) {
+		fStatusLineAboveButtons = aboveButtons;
+	}
+
+	/**
+	 * Sets the image for this dialog.
+	 * 
+	 * @param image
+	 *            the image.
+	 */
+	public void setImage(Image image) {
+		fImage = image;
+	}
+
+	/**
+	 * Returns the first element from the list of results. Returns
+	 * <code>null</code> if no element has been selected.
+	 * 
+	 * @return the first result element if one exists. Otherwise
+	 *         <code>null</code> is returned.
+	 */
+	public Object getFirstResult() {
+		Object[] result = getResult();
+		if (result == null || result.length == 0)
+			return null;
+		return result[0];
+	}
+
+	/**
+	 * Sets a result element at the given position.
+	 */
+	protected void setResult(int position, Object element) {
+		Object[] result = getResult();
+		result[position] = element;
+		setResult(Arrays.asList(result));
+	}
+
+	/**
+	 * Compute the result and return it.
+	 */
+	protected abstract void computeResult();
+
+	protected void configureShell(Shell shell) {
+		super.configureShell(shell);
+		if (fImage != null)
+			shell.setImage(fImage);
+	}
+
+	/**
+	 * Update the dialog's status line to reflect the given status. It is safe
+	 * to call this method before the dialog has been opened.
+	 */
+	protected void updateStatus(IStatus status) {
+		fLastStatus = status;
+		if (fStatusLine != null && !fStatusLine.isDisposed()) {
+			updateButtonsEnableState(status);
+			fStatusLine.setErrorStatus(status);
+		}
+	}
+
+	/**
+	 * Update the status of the ok button to reflect the given status.
+	 * Subclasses may override this method to update additional buttons.
+	 */
+	protected void updateButtonsEnableState(IStatus status) {
+		Button okButton = getOkButton();
+		if (okButton != null && !okButton.isDisposed())
+			okButton.setEnabled(!status.matches(IStatus.ERROR));
+	}
+
+	protected void okPressed() {
+		computeResult();
+		super.okPressed();
+	}
+
+	public void create() {
+		super.create();
+		if (fLastStatus != null)
+			updateStatus(fLastStatus);
+	}
+
+	protected Control createButtonBar(Composite parent) {
+		Composite composite = new Composite(parent, SWT.NULL);
+		GridLayout layout = new GridLayout();
+		if (fStatusLineAboveButtons) {
+			layout.marginWidth = 5;
+		} else {
+			layout.numColumns = 2;
+		}
+		layout.marginHeight = 0;
+		layout.marginWidth = 0;
+		composite.setLayout(layout);
+		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+
+		fStatusLine = new MessageLine(composite);
+		fStatusLine.setAlignment(SWT.LEFT);
+		fStatusLine.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+		fStatusLine.setErrorStatus(null);
+
+		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
+		gd.horizontalIndent = convertWidthInCharsToPixels(1);
+		fStatusLine.setLayoutData(gd);
+
+		super.createButtonBar(composite);
+		return composite;
+	}
+
+}
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