Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.workbench / src / org / simantics / workbench / internal / dialogs / SimanticsPreferencePage.java

diff --git a/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/dialogs/SimanticsPreferencePage.java b/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/dialogs/SimanticsPreferencePage.java
new file mode 100644 (file)
index 0000000..ca627d3
--- /dev/null
+++ b/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/dialogs/SimanticsPreferencePage.java
@@ -0,0 +1,177 @@
+package org.simantics.workbench.internal.dialogs;
+
+import java.io.IOException;
+
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.preference.IPersistentPreferenceStore;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferencePage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+import org.simantics.utils.ui.ErrorLogger;
+import org.simantics.workbench.internal.Activator;
+import org.simantics.workbench.internal.Messages;
+import org.simantics.workbench.internal.preferences.SimanticsPreferences;
+
+/**
+ * Generic workbench main preference page.
+ */
+public class SimanticsPreferencePage extends PreferencePage implements
+IWorkbenchPreferencePage {
+
+    private Button showDatabaseControlsButton;
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.eclipse.jface.preference.PreferencePage
+     */
+    protected Control createContents(Composite parent) {
+
+        Composite composite = createComposite(parent);
+
+        createButtons(composite);
+
+        createSpace(composite);
+
+        applyDialogFont(composite);
+
+        return composite;
+    }
+
+    /**
+     * Create the buttons at the top of the preference page.
+     * @param composite
+     */
+    protected void createButtons(Composite composite) {
+        createDatabaseControlPref(composite);
+    }
+
+    /**
+     * Create the widget for the heap status preference.
+     * 
+     * @param composite
+     */
+    protected void createDatabaseControlPref(Composite composite) {
+        showDatabaseControlsButton = new Button(composite, SWT.CHECK);
+        showDatabaseControlsButton.setText(Messages.SimanticsPreferencePage_ShowDatabaseControlsButton);
+        showDatabaseControlsButton.setToolTipText(Messages.SimanticsPreferencePage_ShowDatabaseControlsTooltip);
+        showDatabaseControlsButton.setSelection(getPreferenceStore().getBoolean(SimanticsPreferences.SHOW_DATABASE_CONTROLS));
+    }
+
+    /**
+     * Creates the composite which will contain all the preference controls for
+     * this page.
+     * 
+     * @param parent
+     *            the parent composite
+     * @return the composite for this page
+     */
+    protected Composite createComposite(Composite parent) {
+        Composite composite = new Composite(parent, SWT.NONE);
+        GridLayout layout = new GridLayout();
+        layout.marginWidth = 0;
+        layout.marginHeight = 0;
+        composite.setLayout(layout);
+        composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
+        return composite;
+    }
+
+    /**
+     * Utility method that creates a radio button instance and sets the default
+     * layout data.
+     * 
+     * @param parent
+     *            the parent for the new button
+     * @param label
+     *            the label for the new button
+     * @return the newly-created button
+     */
+    protected static Button createRadioButton(Composite parent, String label) {
+        Button button = new Button(parent, SWT.RADIO | SWT.LEFT);
+        button.setText(label);
+        return button;
+    }
+
+    /**
+     * Utility method that creates a combo box
+     * 
+     * @param parent
+     *            the parent for the new label
+     * @return the new widget
+     */
+    protected static Combo createCombo(Composite parent) {
+        Combo combo = new Combo(parent, SWT.READ_ONLY);
+        GridData data = new GridData(GridData.FILL_HORIZONTAL);
+        data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
+        combo.setLayoutData(data);
+        return combo;
+    }
+
+    /**
+     * Creates a tab of one horizontal spans.
+     * 
+     * @param parent
+     *            the parent in which the tab should be created
+     */
+    protected static void createSpace(Composite parent) {
+        Label vfiller = new Label(parent, SWT.LEFT);
+        GridData gridData = new GridData();
+        gridData = new GridData();
+        gridData.horizontalAlignment = GridData.BEGINNING;
+        gridData.grabExcessHorizontalSpace = false;
+        gridData.verticalAlignment = GridData.CENTER;
+        gridData.grabExcessVerticalSpace = false;
+        vfiller.setLayoutData(gridData);
+    }
+
+    /**
+     * Returns preference store that belongs to the our plugin.
+     * 
+     * @return the preference store for this plugin
+     */
+    protected IPreferenceStore doGetPreferenceStore() {
+        return Activator.getDefault().getPreferenceStore();
+    }
+
+    /**
+     * @see IWorkbenchPreferencePage
+     */
+    public void init(IWorkbench aWorkbench) {
+    }
+
+    /**
+     * The default button has been pressed.
+     */
+    protected void performDefaults() {
+        IPreferenceStore store = getPreferenceStore();
+        boolean showDatabaseControls = store.getDefaultBoolean(SimanticsPreferences.SHOW_DATABASE_CONTROLS);
+        showDatabaseControlsButton.setSelection(showDatabaseControls);
+        super.performDefaults();
+    }
+
+    /**
+     * The user has pressed Ok. Store/apply this page's values appropriately.
+     */
+    public boolean performOk() {
+        IPreferenceStore store = getPreferenceStore();
+        store.setValue(SimanticsPreferences.SHOW_DATABASE_CONTROLS, showDatabaseControlsButton.getSelection());
+        if (store instanceof IPersistentPreferenceStore) {
+            try {
+                ((IPersistentPreferenceStore) store).save();
+            } catch (IOException e) {
+                ErrorLogger.defaultLogError(e);
+            }
+        }
+        return true;
+    }
+
+}