Move to the root the bundles which will be part of v1.4 and v2.2

[lgpl/argeo-commons.git] / org.argeo.eclipse.ui / src / main / java / org / argeo / eclipse / ui / dialogs / SingleValue.java

diff --git a/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/dialogs/SingleValue.java b/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/dialogs/SingleValue.java
new file mode 100644 (file)
index 0000000..b58f446
--- /dev/null
+++ b/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/dialogs/SingleValue.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.eclipse.ui.dialogs;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IMessageProvider;
+import org.eclipse.jface.dialogs.TitleAreaDialog;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/** Dialog retrieve a single value. */
+public class SingleValue extends TitleAreaDialog {
+       private static final long serialVersionUID = 2843538207460082349L;
+
+       private Text valueT;
+       private String value;
+       private final String title, message, label;
+       private final Boolean multiline;
+
+       public static String ask(String label, String message) {
+               SingleValue svd = new SingleValue(label, message);
+               if (svd.open() == Dialog.OK)
+                       return svd.getString();
+               else
+                       return null;
+       }
+
+       public static Long askLong(String label, String message) {
+               SingleValue svd = new SingleValue(label, message);
+               if (svd.open() == Dialog.OK)
+                       return svd.getLong();
+               else
+                       return null;
+       }
+
+       public static Double askDouble(String label, String message) {
+               SingleValue svd = new SingleValue(label, message);
+               if (svd.open() == Dialog.OK)
+                       return svd.getDouble();
+               else
+                       return null;
+       }
+
+       public SingleValue(String label, String message) {
+               this(Display.getDefault().getActiveShell(), label, message, label,
+                               false);
+       }
+
+       public SingleValue(Shell parentShell, String title, String message,
+                       String label, Boolean multiline) {
+               super(parentShell);
+               this.title = title;
+               this.message = message;
+               this.label = label;
+               this.multiline = multiline;
+       }
+
+       protected Point getInitialSize() {
+               return new Point(300, 250);
+       }
+
+       protected Control createDialogArea(Composite parent) {
+               Composite dialogarea = (Composite) super.createDialogArea(parent);
+               dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               Composite composite = new Composite(dialogarea, SWT.NONE);
+               composite.setLayout(new GridLayout(2, false));
+               composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               valueT = createLT(composite, label);
+
+               setMessage(message, IMessageProvider.NONE);
+
+               parent.pack();
+               return composite;
+       }
+
+       @Override
+       protected void okPressed() {
+               value = valueT.getText();
+               super.okPressed();
+       }
+
+       /** Creates label and text. */
+       protected Text createLT(Composite parent, String label) {
+               new Label(parent, SWT.NONE).setText(label);
+               Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER
+                               | (multiline ? SWT.MULTI : SWT.NONE));
+               text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               return text;
+       }
+
+       protected void configureShell(Shell shell) {
+               super.configureShell(shell);
+               shell.setText(title);
+       }
+
+       public String getString() {
+               return value;
+       }
+
+       public Long getLong() {
+               return Long.valueOf(getString());
+       }
+
+       public Double getDouble() {
+               return Double.valueOf(getString());
+       }
+}