diff options
Diffstat (limited to 'src/com.gluster.storage.management.console/src/com/gluster/storage/management/console/views/pages/VolumeOptionsPage.java')
| -rw-r--r-- | src/com.gluster.storage.management.console/src/com/gluster/storage/management/console/views/pages/VolumeOptionsPage.java | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/src/com.gluster.storage.management.console/src/com/gluster/storage/management/console/views/pages/VolumeOptionsPage.java b/src/com.gluster.storage.management.console/src/com/gluster/storage/management/console/views/pages/VolumeOptionsPage.java deleted file mode 100644 index dd02a672..00000000 --- a/src/com.gluster.storage.management.console/src/com/gluster/storage/management/console/views/pages/VolumeOptionsPage.java +++ /dev/null @@ -1,360 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2011 Gluster, Inc. <http://www.gluster.com> - * This file is part of Gluster Management Console. - * - * Gluster Management Console is free software; you can redistribute it and/or - * modify it under the terms of the GNU Affero General Public License as published - * by the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * Gluster Management Console is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License - * for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see - * <http://www.gnu.org/licenses/>. - *******************************************************************************/ -package com.gluster.storage.management.console.views.pages; - -import java.util.List; - -import org.apache.commons.lang.WordUtils; -import org.eclipse.jface.layout.TableColumnLayout; -import org.eclipse.jface.viewers.ColumnLabelProvider; -import org.eclipse.jface.viewers.ColumnLayoutData; -import org.eclipse.jface.viewers.ColumnViewerToolTipSupport; -import org.eclipse.jface.viewers.ColumnWeightData; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.jface.viewers.TableViewer; -import org.eclipse.jface.viewers.TableViewerColumn; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.ModifyEvent; -import org.eclipse.swt.events.ModifyListener; -import org.eclipse.swt.events.PaintEvent; -import org.eclipse.swt.events.PaintListener; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.layout.FillLayout; -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.Display; -import org.eclipse.swt.widgets.Table; -import org.eclipse.swt.widgets.TableColumn; -import org.eclipse.swt.widgets.Text; -import org.eclipse.ui.forms.widgets.FormToolkit; - -import com.gluster.storage.management.console.GlusterDataModelManager; -import com.gluster.storage.management.console.VolumeOptionsContentProvider; -import com.gluster.storage.management.console.VolumeOptionsTableLabelProvider; -import com.gluster.storage.management.console.utils.GUIHelper; -import com.gluster.storage.management.core.constants.CoreConstants; -import com.gluster.storage.management.core.model.DefaultClusterListener; -import com.gluster.storage.management.core.model.Event; -import com.gluster.storage.management.core.model.Volume; -import com.gluster.storage.management.core.model.VolumeOption; -import com.gluster.storage.management.core.model.VolumeOptionInfo; - -public class VolumeOptionsPage extends Composite { - - private final FormToolkit toolkit = new FormToolkit(Display.getCurrent()); - private TableViewer tableViewer; - private GUIHelper guiHelper = GUIHelper.getInstance(); - private Volume volume; - private DefaultClusterListener clusterListener; - private Text filterText; - private List<VolumeOptionInfo> defaultVolumeOptions = GlusterDataModelManager.getInstance() - .getVolumeOptionsInfo(); - - public enum OPTIONS_TABLE_COLUMN_INDICES { - OPTION_KEY, OPTION_VALUE - }; - - private static final String[] OPTIONS_TABLE_COLUMN_NAMES = new String[] { "Option Key", "Option Value" }; - private Button addTopButton; - private Button addBottomButton; - private TableViewerColumn keyColumn; - private OptionKeyEditingSupport keyEditingSupport; - - public VolumeOptionsPage(final Composite parent, int style, Volume volume) { - super(parent, style); - - this.volume = volume; - - toolkit.adapt(this); - toolkit.paintBordersFor(this); - - setupPageLayout(); - addTopButton = createAddButton(); - filterText = guiHelper.createFilterText(toolkit, this); - - setupOptionsTableViewer(filterText); - - addBottomButton = createAddButton(); - - if (defaultVolumeOptions.size() == volume.getOptions().size()) { - setAddButtonsEnabled(false); - } - - tableViewer.setInput(volume.getOptions()); - - parent.layout(); // Important - this actually paints the table - registerListeners(parent); - } - - private void setAddButtonsEnabled(boolean enable) { - addTopButton.setEnabled(enable); - addBottomButton.setEnabled(enable); - } - - private Button createAddButton() { - return toolkit.createButton(this, "&Add", SWT.FLAT); - } - - private void registerListeners(final Composite parent) { - /** - * Ideally not required. However the table viewer is not getting laid out properly on performing - * "maximize + restore" So this is a hack to make sure that the table is laid out again on re-size of the window - */ - addPaintListener(new PaintListener() { - - @Override - public void paintControl(PaintEvent e) { - parent.layout(); - } - }); - - clusterListener = new DefaultClusterListener() { - @Override - public void volumeChanged(Volume volume, Event event) { - super.volumeChanged(volume, event); - - switch (event.getEventType()) { - case VOLUME_OPTIONS_RESET: - if (!tableViewer.getControl().isDisposed()) { - //While reseting the options, clear the filter text before refreshing the tree - filterText.setText(""); - tableViewer.refresh(); - setAddButtonsEnabled(true); - } - break; - - case VOLUME_OPTION_SET: - String key = (String)event.getEventData(); - if (isNewOption(volume, key)) { - // option has been set successfully by the user. re-enable the add button and search filter - // textbox - setAddButtonsEnabled(true); - filterText.setEnabled(true); - } - - if (defaultVolumeOptions.size() == volume.getOptions().size()) { - setAddButtonsEnabled(false); - } - - tableViewer.refresh(); - break; - case VOLUME_CHANGED: - tableViewer.refresh(); - if(volume.getOptions().size() == defaultVolumeOptions.size()) { - setAddButtonsEnabled(false); - } else { - setAddButtonsEnabled(true); - } - default: - break; - } - } - - private boolean isNewOption(Volume volume, String optionKey) { - if (filterText.getText().length() > 0) { - // user has been filtering the contents. adding new option is allowed only when contents are NOT - // filtered. Thus it's impossible that this is a newly added option - return false; - } - - // if this is the last option in the volume options, it must be the new option - return optionKey.equals(volume.getOptions().getOptions().get(volume.getOptions().size() - 1).getKey()); - } - }; - - SelectionListener addButtonSelectionListener = new SelectionAdapter() { - @Override - public void widgetSelected(SelectionEvent e) { - // add an empty option to be filled up by user - volume.setOption("", ""); - - tableViewer.refresh(); - tableViewer.setSelection(new StructuredSelection(getEntry(""))); - keyColumn.getViewer().editElement(getEntry(""), 0); // edit newly created entry - - // disable the add button AND search filter textbox till user fills up the new option - setAddButtonsEnabled(false); - filterText.setEnabled(false); - } - - private VolumeOption getEntry(String key) { - for (VolumeOption entry : volume.getOptions().getOptions()) { - if (entry.getKey().equals(key)) { - return entry; - } - } - return null; - } - }; - addTopButton.addSelectionListener(addButtonSelectionListener); - addBottomButton.addSelectionListener(addButtonSelectionListener); - - // Make sure that add button is enabled only when search filter textbox is empty - filterText.addModifyListener(new ModifyListener() { - @Override - public void modifyText(ModifyEvent e) { - if (filterText.getText().length() > 0) { - setAddButtonsEnabled(false); - } else { - if (defaultVolumeOptions.size() == volume.getOptions().size()) { - setAddButtonsEnabled(false); - } else { - setAddButtonsEnabled(true); - } - } - } - }); - - GlusterDataModelManager.getInstance().addClusterListener(clusterListener); - - addDisposeListener(new DisposeListener() { - - @Override - public void widgetDisposed(DisposeEvent e) { - toolkit.dispose(); - - if (!(addTopButton.isEnabled() || addBottomButton.isEnabled())) { - // user has selected key, but not added value. Since this is not a valid entry, - // remove the last option (without value) from the volume - volume.getOptions().remove(keyEditingSupport.getEntryBeingAdded().getKey()); - } - - GlusterDataModelManager.getInstance().removeClusterListener(clusterListener); - } - }); - } - - private void setupPageLayout() { - final GridLayout layout = new GridLayout(2, false); - layout.verticalSpacing = 10; - layout.marginTop = 10; - setLayout(layout); - } - - private void setupOptionsTable(Composite parent) { - Table table = tableViewer.getTable(); - table.setHeaderVisible(true); - table.setLinesVisible(true); - - TableColumnLayout tableColumnLayout = createTableColumnLayout(); - parent.setLayout(tableColumnLayout); - - setColumnProperties(table, OPTIONS_TABLE_COLUMN_INDICES.OPTION_KEY, SWT.CENTER, 100); - setColumnProperties(table, OPTIONS_TABLE_COLUMN_INDICES.OPTION_VALUE, SWT.CENTER, 100); - } - - private TableColumnLayout createTableColumnLayout() { - TableColumnLayout tableColumnLayout = new TableColumnLayout(); - ColumnLayoutData defaultColumnLayoutData = new ColumnWeightData(100); - - tableColumnLayout.setColumnData(createKeyColumn(), defaultColumnLayoutData); - tableColumnLayout.setColumnData(createValueColumn(), defaultColumnLayoutData); - - return tableColumnLayout; - } - - private TableColumn createValueColumn() { - TableViewerColumn valueColumn = new TableViewerColumn(tableViewer, SWT.NONE); - valueColumn.getColumn() - .setText(OPTIONS_TABLE_COLUMN_NAMES[OPTIONS_TABLE_COLUMN_INDICES.OPTION_VALUE.ordinal()]); - valueColumn.setLabelProvider(new ColumnLabelProvider() { - @Override - public String getText(Object element) { - return ((VolumeOption) element).getValue(); - } - }); - - // User can edit value of a volume option - valueColumn.setEditingSupport(new OptionValueEditingSupport(valueColumn.getViewer(), volume)); - - return valueColumn.getColumn(); - } - - private TableColumn createKeyColumn() { - keyColumn = new TableViewerColumn(tableViewer, SWT.NONE); - keyColumn.getColumn().setText(OPTIONS_TABLE_COLUMN_NAMES[OPTIONS_TABLE_COLUMN_INDICES.OPTION_KEY.ordinal()]); - keyColumn.setLabelProvider(new ColumnLabelProvider() { - @Override - public String getText(Object element) { - return ((VolumeOption) element).getKey(); - } - - @Override - public String getToolTipText(Object element) { - String key = ((VolumeOption) element).getKey(); - if (key.isEmpty()) { - return "Click to select a volume option key"; - } - - VolumeOptionInfo optionInfo = GlusterDataModelManager.getInstance().getVolumeOptionInfo(key); - // Wrap the description before adding to tooltip so that long descriptions are displayed properly - return WordUtils.wrap(optionInfo.getDescription(), 60) + CoreConstants.NEWLINE + "Default value: " - + optionInfo.getDefaultValue(); - } - }); - - // Editing support required when adding new key - keyEditingSupport = new OptionKeyEditingSupport(keyColumn.getViewer(), volume); - keyColumn.setEditingSupport(keyEditingSupport); - - return keyColumn.getColumn(); - } - - private void createOptionsTableViewer(Composite parent) { - tableViewer = new TableViewer(parent, SWT.FLAT | SWT.FULL_SELECTION | SWT.SINGLE); - tableViewer.setLabelProvider(new VolumeOptionsTableLabelProvider()); - tableViewer.setContentProvider(new VolumeOptionsContentProvider()); - tableViewer.getTable().setLinesVisible(true); - - setupOptionsTable(parent); - } - - private Composite createTableViewerComposite() { - Composite tableViewerComposite = new Composite(this, SWT.NO); - tableViewerComposite.setLayout(new FillLayout(SWT.HORIZONTAL)); - - GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true); - layoutData.horizontalSpan = 2; - tableViewerComposite.setLayoutData(layoutData); - - return tableViewerComposite; - } - - private void setupOptionsTableViewer(final Text filterText) { - Composite tableViewerComposite = createTableViewerComposite(); - createOptionsTableViewer(tableViewerComposite); - ColumnViewerToolTipSupport.enableFor(tableViewer); - // Create a case insensitive filter for the table viewer using the filter text field - guiHelper.createFilter(tableViewer, filterText, false); - } - - private void setColumnProperties(Table table, OPTIONS_TABLE_COLUMN_INDICES columnIndex, int alignment, int weight) { - TableColumn column = table.getColumn(columnIndex.ordinal()); - column.setAlignment(alignment); - - TableColumnLayout tableColumnLayout = (TableColumnLayout) table.getParent().getLayout(); - tableColumnLayout.setColumnData(column, new ColumnWeightData(weight)); - } -} |