Java tutorial
/******************************************************************************* * Copyright (c) 2007 Actuate Corporation. * 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: * Actuate Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.birt.report.designer.ui.preferences; import org.eclipse.birt.report.designer.internal.ui.util.IHelpContextIds; import org.eclipse.birt.report.designer.nls.Messages; import org.eclipse.birt.report.designer.ui.util.UIUtil; import org.eclipse.birt.report.viewer.ViewerPlugin; import org.eclipse.birt.report.viewer.utilities.WebViewer; import org.eclipse.jface.preference.FieldEditor; import org.eclipse.jface.preference.IntegerFieldEditor; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.preference.StringFieldEditor; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Group; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; /** * PreviewDataPreferencePage */ public class PreviewDataPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { public static final int MAX_DATASET_ROW_DEFAULT = ViewerPlugin.DEFAULT_MAX_ROWS; // public static final int MAX_CUBE_ROW_LEVEL_MEMBER_DEFAULT = ViewerPlugin.DEFAULT_MAX_CUBEROWLEVELS; // public static final int MAX_CUBE_COLUMN_LEVEL_MEMBER_DEFAULT = ViewerPlugin.DEFAULT_MAX_CUBECOLUMNLEVELS; public static final int MAX_IN_MEMORY_CUBE_SIZE_DEFAULT = ViewerPlugin.DEFAULT_MAX_IN_MEMORY_CUBE_SIZE; public static final int DATASET_DISPLAY_ALL_ROW = 0; /** max Row preference name */ public static final String PREVIEW_MAXROW = WebViewer.PREVIEW_MAXROW; // public static final String PREVIEW_MAX_ROW_LEVEL_MEMBER = WebViewer.PREVIEW_MAXCUBEROWLEVEL; // public static final String PREVIEW_MAX_COLUMN_LEVEL_MEMBER = WebViewer.PREVIEW_MAXCUBECOLUMNLEVEL; public static final String PREVIEW_MAX_IN_MEMORY_CUBE_SIZE = WebViewer.PREVIEW_MAXINMEMORYCUBESIZE; private transient DisplayNumberFieldEditor txtMaxDataSetRow; // private transient IntegerFieldEditor txtMaxRowLevelMember; // private transient IntegerFieldEditor txtMaxColumnLevelMember; private transient IntegerFieldEditor txtMaxInMemoryCubeSize; private transient Button noLimitBtn; protected Control createContents(Composite parent) { UIUtil.bindHelp(parent, IHelpContextIds.PREFERENCE_BIRT_PREVIEW_DATA_ID); Composite cmpTop = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(1, false); cmpTop.setLayout(layout); GridData gd = new GridData(GridData.FILL_HORIZONTAL); cmpTop.setLayoutData(gd); createDispalyRowLimitGroup(cmpTop); // txtMaxRowLevelMember = new IntegerFieldEditor( PREVIEW_MAX_ROW_LEVEL_MEMBER, // Messages.getString( "designer.preview.preference.resultset.maxrowlevelmember.description" ), cmpTop ); //$NON-NLS-1$ // txtMaxRowLevelMember.setPage( this ); // txtMaxRowLevelMember.setValidateStrategy( StringFieldEditor.VALIDATE_ON_KEY_STROKE ); // txtMaxRowLevelMember.setEmptyStringAllowed( false ); // txtMaxRowLevelMember.setPropertyChangeListener( new IPropertyChangeListener( ) { // // public void propertyChange( PropertyChangeEvent event ) // { // if ( event.getProperty( ).equals( FieldEditor.IS_VALID ) ) // setValid( txtMaxRowLevelMember.isValid( ) ); // } // } ); // // txtMaxColumnLevelMember = new IntegerFieldEditor( PREVIEW_MAX_COLUMN_LEVEL_MEMBER, // Messages.getString( "designer.preview.preference.resultset.maxcolumnlevelmember.description" ), cmpTop ); //$NON-NLS-1$ // txtMaxColumnLevelMember.setPage( this ); // txtMaxColumnLevelMember.setValidateStrategy( StringFieldEditor.VALIDATE_ON_KEY_STROKE ); // txtMaxColumnLevelMember.setEmptyStringAllowed( false ); // txtMaxColumnLevelMember.setPropertyChangeListener( new IPropertyChangeListener( ) { // // public void propertyChange( PropertyChangeEvent event ) // { // if ( event.getProperty( ).equals( FieldEditor.IS_VALID ) ) // setValid( txtMaxColumnLevelMember.isValid( ) ); // } // } ); txtMaxInMemoryCubeSize = new IntegerFieldEditor(PREVIEW_MAX_IN_MEMORY_CUBE_SIZE, Messages.getString("designer.preview.preference.resultset.maxinmemorycubesize.description"), //$NON-NLS-1$ cmpTop); txtMaxInMemoryCubeSize.setPage(this); txtMaxInMemoryCubeSize.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE); txtMaxInMemoryCubeSize.setEmptyStringAllowed(false); txtMaxInMemoryCubeSize.setPropertyChangeListener(new IPropertyChangeListener() { public void propertyChange(PropertyChangeEvent event) { if (event.getProperty().equals(FieldEditor.IS_VALID)) setValid(txtMaxInMemoryCubeSize.isValid()); } }); initControlValues(); return cmpTop; } private void createDispalyRowLimitGroup(Composite cmpTop) { Group dispalyRowLimitGroup = new Group(cmpTop, SWT.NONE); dispalyRowLimitGroup.setText( Messages.getString("designer.preview.preference.resultset.groupTitle.DispalyRowLimitsSetting")); GridLayout layout = new GridLayout(); layout.makeColumnsEqualWidth = true; layout.marginWidth = layout.marginHeight = 6; dispalyRowLimitGroup.setLayout(layout); GridData groupData = new GridData(GridData.FILL_HORIZONTAL); groupData.horizontalSpan = 2; dispalyRowLimitGroup.setLayoutData(groupData); Composite container = new Composite(dispalyRowLimitGroup, SWT.NONE); container.setLayoutData(new GridData(GridData.FILL_BOTH)); noLimitBtn = new Button(container, SWT.CHECK); GridData noLimitBtnData = new GridData(GridData.FILL_HORIZONTAL); noLimitBtnData.horizontalSpan = 2; noLimitBtn.setText(Messages.getString("designer.preview.preference.resultset.NoLimitOfDispalyRow")); noLimitBtn.setLayoutData(noLimitBtnData); noLimitBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { txtMaxDataSetRow.setEnabled(!noLimitBtn.getSelection(), noLimitBtn.getParent()); if (!noLimitBtn.getSelection()) { txtMaxDataSetRow.setFocus(); } if (txtMaxDataSetRow.checkState()) { } } }); txtMaxDataSetRow = new DisplayNumberFieldEditor(PREVIEW_MAXROW, Messages.getString("designer.preview.preference.resultset.maxrow.description"), //$NON-NLS-1$ container); txtMaxDataSetRow.setPage(this); txtMaxDataSetRow.setValidRange(1, Integer.MAX_VALUE); txtMaxDataSetRow.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE); txtMaxDataSetRow.setEmptyStringAllowed(false); txtMaxDataSetRow.setPropertyChangeListener(new IPropertyChangeListener() { public void propertyChange(PropertyChangeEvent event) { if (event.getProperty().equals(FieldEditor.IS_VALID)) setValid(txtMaxDataSetRow.isValid()); } }); } private void initControlValues() { String defaultMaxRow = ViewerPlugin.getDefault().getPluginPreferences().getString(PREVIEW_MAXROW); if (defaultMaxRow == null || defaultMaxRow.trim().length() <= 0) { defaultMaxRow = String.valueOf(MAX_DATASET_ROW_DEFAULT); } boolean previewAllRows = String.valueOf(DATASET_DISPLAY_ALL_ROW).equals(defaultMaxRow.trim()); noLimitBtn.setSelection(previewAllRows); txtMaxDataSetRow.setEnabled(!previewAllRows, noLimitBtn.getParent()); txtMaxDataSetRow.setStringValue(previewAllRows ? "" : defaultMaxRow); // defaultMaxRow = ViewerPlugin.getDefault( ) // .getPluginPreferences( ) // .getString( PREVIEW_MAX_ROW_LEVEL_MEMBER ); // // if ( defaultMaxRow == null || defaultMaxRow.trim( ).length( ) <= 0 ) // { // defaultMaxRow = String.valueOf( MAX_CUBE_ROW_LEVEL_MEMBER_DEFAULT ); // } // txtMaxRowLevelMember.setStringValue( defaultMaxRow ); // // defaultMaxRow = ViewerPlugin.getDefault( ) // .getPluginPreferences( ) // .getString( PREVIEW_MAX_COLUMN_LEVEL_MEMBER ); // // if ( defaultMaxRow == null || defaultMaxRow.trim( ).length( ) <= 0 ) // { // defaultMaxRow = String.valueOf( MAX_CUBE_COLUMN_LEVEL_MEMBER_DEFAULT ); // } // txtMaxColumnLevelMember.setStringValue( defaultMaxRow ); defaultMaxRow = ViewerPlugin.getDefault().getPluginPreferences().getString(PREVIEW_MAX_IN_MEMORY_CUBE_SIZE); if (defaultMaxRow == null || defaultMaxRow.trim().length() <= 0) { defaultMaxRow = String.valueOf(MAX_IN_MEMORY_CUBE_SIZE_DEFAULT); } txtMaxInMemoryCubeSize.setStringValue(defaultMaxRow); } public void init(IWorkbench workbench) { } protected void performDefaults() { txtMaxDataSetRow.setStringValue(String.valueOf(MAX_DATASET_ROW_DEFAULT)); // txtMaxRowLevelMember.setStringValue( String.valueOf( MAX_CUBE_ROW_LEVEL_MEMBER_DEFAULT ) ); // txtMaxColumnLevelMember.setStringValue( String.valueOf( MAX_CUBE_COLUMN_LEVEL_MEMBER_DEFAULT ) ); txtMaxInMemoryCubeSize.setStringValue(String.valueOf(MAX_IN_MEMORY_CUBE_SIZE_DEFAULT)); super.performDefaults(); } public boolean performOk() { int maxRowValue = noLimitBtn.getSelection() ? DATASET_DISPLAY_ALL_ROW : txtMaxDataSetRow.getIntValue(); ViewerPlugin.getDefault().getPluginPreferences().setValue(PREVIEW_MAXROW, maxRowValue); // ViewerPlugin.getDefault( ) // .getPluginPreferences( ) // .setValue( PREVIEW_MAX_ROW_LEVEL_MEMBER, // txtMaxRowLevelMember.getIntValue( ) ); // // ViewerPlugin.getDefault( ) // .getPluginPreferences( ) // .setValue( PREVIEW_MAX_COLUMN_LEVEL_MEMBER, // txtMaxColumnLevelMember.getIntValue( ) ); ViewerPlugin.getDefault().getPluginPreferences().setValue(PREVIEW_MAX_IN_MEMORY_CUBE_SIZE, txtMaxInMemoryCubeSize.getIntValue()); ViewerPlugin.getDefault().savePluginPreferences(); return super.performOk(); } class DisplayNumberFieldEditor extends IntegerFieldEditor { public DisplayNumberFieldEditor(String s1, String s2, Composite parent) { super(s1, s2, parent); } public boolean checkState() { if (noLimitBtn.getSelection()) { setValid(true); if (!super.checkState()) clearErrorMessage(); return true; } else { setValid(isValid()); } return super.checkState(); } }; }