AbstractToolLocationGroup

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/preferences/AbstractToolLocationGroup.java

@@ -0,0 +1,65 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Bruno Medeiros and other Contributors.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Bruno Medeiros - initial API and implementation
+ *******************************************************************************/
+package melnorme.lang.ide.ui.preferences;
+
+
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.swt.widgets.Composite;
+
+import melnorme.lang.ide.ui.preferences.pages.DownloadToolTextField;
+import melnorme.lang.ide.ui.utils.operations.BasicUIOperation;
+import melnorme.util.swt.SWTFactoryUtil;
+import melnorme.util.swt.components.AbstractCompositeWidget;
+import melnorme.util.swt.components.IDisableableWidget;
+import melnorme.util.swt.components.fields.ButtonTextField;
+import melnorme.utilbox.collections.ArrayList2;
+import melnorme.utilbox.collections.Indexable;
+
+public abstract class AbstractToolLocationGroup extends AbstractCompositeWidget {
+
+	public final ButtonTextField toolLocationField = new DownloadToolTextField("Executable:", "Download...") {
+		@Override
+		public BasicUIOperation getDownloadButtonHandler() {
+			return do_getDownloadButtonHandler(this);
+		}
+	};
+
+	public final String toolName;
+	protected final ArrayList2<IDisableableWidget> subwidgets = new ArrayList2<IDisableableWidget>();
+
+	public AbstractToolLocationGroup(String toolName) {
+		this.toolName = toolName;
+		this.subwidgets.add(toolLocationField);
+	}
+
+	@Override
+	protected Composite doCreateTopLevelControl(Composite parent) {
+		return SWTFactoryUtil.createGroup(parent, toolName + ": ");
+	}
+
+	@Override
+	protected GridLayoutFactory createTopLevelLayout() {
+		return GridLayoutFactory.swtDefaults().numColumns(getPreferredLayoutColumns());
+	}
+
+	@Override
+	public int getPreferredLayoutColumns() {
+		return 4;
+	}
+
+	@Override
+	protected Indexable<IDisableableWidget> getSubWidgets() {
+		return subwidgets;
+	}
+
+	protected abstract BasicUIOperation do_getDownloadButtonHandler(DownloadToolTextField downloadToolTextField);
+
+}

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/preferences/pages/DaemonToolPreferencePage.java

@@ -12,6 +12,7 @@
 
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 
@@ -75,7 +76,7 @@ protected void createContents(Composite topControl) {
 			toolGroup = AbstractPreferencesBlock.createOptionsSection(topControl, 
 				getDaemonToolName(), 
 				3, 
-				GridDataFactory.fillDefaults().grab(true, false).minSize(300, SWT.DEFAULT).create());
+				createDefaultGroupGridData());
 
 			bindToPreference(startServerAutomatically, ToolchainPreferences.AUTO_START_DAEMON);
 			bindToPreference(enableLogConsole, ToolchainPreferences.DAEMON_CONSOLE_ENABLE);
@@ -89,6 +90,10 @@ protected void createContents(Composite topControl) {
 			showErrorsDialog.createComponentInlined(toolGroup);
 		}
 
+		protected GridData createDefaultGroupGridData() {
+			return GridDataFactory.fillDefaults().grab(true, false).minSize(300, SWT.DEFAULT).create();
+		}
+
 		protected TextFieldComponent createDaemonPathFieldEditor(Group group) {
 			String label = getDaemonToolName() + " path:";
 			TextFieldComponent pathField = doCreateDaemonPathFieldEditor(label);

plugin_tooling/src-util/melnorme/utilbox/collections/ArrayList2.java

@@ -111,10 +111,11 @@ public <SOURCE> ArrayList2<E> addAll(Collection2<SOURCE> source, Function<SOURCE
 		return CollectionUtil.addAll(this, source, mapper);
 	}
 
-	public void addIfNotNull(E element) {
+	public ArrayList2<E> addIfNotNull(E element) {
 		if(element != null) {
 			add(element);
 		}
+		return this;
 	}
 
 	@Override