1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / dialogs / SelectionStatusDialog.java

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
new file mode 100644 (file)
index 0000000..eb6514f
--- /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;
+       }
+
+}
\ No newline at end of file