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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/StatusDialog.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/StatusDialog.java
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+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dialogs/StatusDialog.java
@@ -0,0 +1,155 @@
+package net.sourceforge.phpdt.internal.ui.dialogs;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+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;
+
+/**
+ * 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 StatusDialog extends Dialog  {
+	
+	private Button fOkButton;
+	private MessageLine fStatusLine;
+	private IStatus fLastStatus;
+	private String fTitle;
+	private Image fImage;
+	
+	private boolean fStatusLineAboveButtons;
+	
+	/**
+	 * Creates an instane of a status dialog.
+	 */
+	public StatusDialog(Shell parent) {
+		super(parent);
+		fStatusLineAboveButtons= false;
+	}
+	
+	/**
+	 * Specifies 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;
+	}	
+	
+	/**
+	 * Update the dialog's status line to reflect the given status.
+	 * It is save 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);
+		}
+	}
+	
+	/**
+	 * Returns the last status.
+	 */
+	public IStatus getStatus() {
+		return fLastStatus;
+	}
+
+	/**
+	 * Updates the status of the ok button to reflect the given status.
+	 * Subclasses may override this method to update additional buttons.
+	 * @param status the status.
+	 */
+	protected void updateButtonsEnableState(IStatus status) {
+		if (fOkButton != null && !fOkButton.isDisposed())
+			fOkButton.setEnabled(!status.matches(IStatus.ERROR));
+	}
+	
+	/* 
+	 * @see Window#create(Shell)
+	 */
+	protected void configureShell(Shell shell) {
+		super.configureShell(shell);
+		if (fTitle != null)
+			shell.setText(fTitle);
+	}
+
+	/*
+	 * @see Window#create()
+	 */	
+	public void create() {
+		super.create();
+		if (fLastStatus != null) {
+			// policy: dialogs are not allowed to come up with an error message
+			if (fLastStatus.matches(IStatus.ERROR)) {
+				StatusInfo status= new StatusInfo();
+				status.setError(""); //$NON-NLS-1$
+				fLastStatus= status;
+			}
+			updateStatus(fLastStatus);
+		}
+	}
+
+	/*
+	 * @see Dialog#createButtonsForButtonBar(Composite)
+	 */
+	protected void createButtonsForButtonBar(Composite parent) {
+		fOkButton= createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
+		createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
+	}
+	
+	/*
+	 * @see Dialog#createButtonBar(Composite)
+	 */				
+	protected Control createButtonBar(Composite parent) {
+		Composite composite= new Composite(parent, SWT.NULL);
+		GridLayout layout= new GridLayout();
+		layout.numColumns= 1;
+		layout.marginHeight= 0;
+		layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
+		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); //$NON-NLS-1$
+
+		super.createButtonBar(composite);
+		return composite;
+	}
+	
+	/**
+	 * Sets the title for this dialog.
+	 * @param title the title.
+	 */
+	public void setTitle(String title) {
+		fTitle= title != null ? title : ""; //$NON-NLS-1$
+		Shell shell= getShell();
+		if ((shell != null) && !shell.isDisposed())
+			shell.setText(fTitle);
+	}
+
+	/**
+	 * Sets the image for this dialog.
+	 * @param image the image.
+	 */
+	public void setImage(Image image) {
+		fImage= image;
+		Shell shell= getShell();
+		if ((shell != null) && !shell.isDisposed())
+			shell.setImage(fImage);
+	}	
+	
+}
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