Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.dialogs; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Set; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.ICellModifier; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Image; 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.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.Text; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.image.EImage; import com.amalto.workbench.image.ImageCache; import com.amalto.workbench.models.TreeObject; import com.amalto.workbench.utils.HttpClientUtil; import com.amalto.workbench.utils.Util; import com.amalto.workbench.webservices.WSMenuEntry; import com.amalto.workbench.webservices.WSMenuMenuEntriesDescriptions; import com.amalto.workbench.widgets.FileSelectWidget; public class MenuEntryDialog extends Dialog { private static Log log = LogFactory.getLog(MenuEntryDialog.class); private Text idText = null; private Text contextText = null; private FileSelectWidget iconPathText; private Text applicationNameText = null; protected Composite descriptionsComposite; protected Text labelText; protected Combo languagesCombo; protected TableViewer descriptionsViewer; private WSMenuEntry wsMenuEntry = null; protected LinkedHashMap<String, String> descriptionsMap = new LinkedHashMap<String, String>(); private SelectionListener caller = null; private String title = "";//$NON-NLS-1$ private boolean isChanged = true; private String uripre = "";//$NON-NLS-1$ private final boolean isLocal; private TreeObject treeObject; /** * @param parentShell */ public MenuEntryDialog(WSMenuEntry wsMenuEntry, SelectionListener caller, Shell parentShell, String title, String uripre, boolean isLocal, TreeObject treeObject) { super(parentShell); this.wsMenuEntry = wsMenuEntry; this.caller = caller; this.title = title; this.uripre = uripre; this.isLocal = isLocal; this.treeObject = treeObject; // feed the descritions hashmap used by the labels Table List<WSMenuMenuEntriesDescriptions> descriptions = wsMenuEntry.getDescriptions(); if (descriptions != null) { for (WSMenuMenuEntriesDescriptions description : descriptions) { descriptionsMap.put(description.getLanguage().toLowerCase(), description.getLabel()); } } } public MenuEntryDialog(WSMenuEntry wsMenuEntry, SelectionListener caller, Shell parentShell, String title, boolean isChanged, String uripre, boolean isLocal, TreeObject treeObject) { super(parentShell); this.wsMenuEntry = wsMenuEntry; this.caller = caller; this.title = title; this.isChanged = isChanged; this.uripre = uripre; this.isLocal = isLocal; this.treeObject = treeObject; // feed the descritions hashmap used by the labels Table List<WSMenuMenuEntriesDescriptions> descriptions = wsMenuEntry.getDescriptions(); if (descriptions != null) { for (WSMenuMenuEntriesDescriptions description : descriptions) { descriptionsMap.put(description.getLanguage().toLowerCase(), description.getLabel()); } } } @Override protected Control createDialogArea(Composite parent) { // Should not really be here but well,.... parent.getShell().setText(this.title); Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = (GridLayout) composite.getLayout(); layout.numColumns = 3; // layout.verticalSpacing = 10; Label idLabel = new Label(composite, SWT.NONE); idLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); idLabel.setText(Messages.MenuEntryDialog_Id); if (this.isChanged) { idText = new Text(composite, SWT.NONE); } else { idText = new Text(composite, SWT.NONE | SWT.READ_ONLY); } idText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); ((GridData) idText.getLayoutData()).widthHint = 300; idText.setDoubleClickEnabled(false); Label contextLabel = new Label(composite, SWT.NONE); contextLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); contextLabel.setText(Messages.MenuEntryDialog_Context); contextText = new Text(composite, SWT.NONE); contextText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); contextText.setDoubleClickEnabled(false); Label applicationNameLabel = new Label(composite, SWT.NONE); applicationNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); applicationNameLabel.setText(Messages.MenuEntryDialog_Application); applicationNameText = new Text(composite, SWT.NONE); applicationNameText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); Label iconPathLabel = new Label(composite, SWT.NONE); iconPathLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); iconPathLabel.setText(Messages.MenuEntryDialog_IconPath); iconPathText = new FileSelectWidget(composite, "", new String[] { "*.png", "*.gif", "*.jpg" }, "", true);//$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ //$NON-NLS-5$ // Labels descriptionsComposite = new Composite(composite, SWT.BORDER); descriptionsComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1)); descriptionsComposite.setLayout(new GridLayout(3, false)); Label descriptionsLabel = new Label(descriptionsComposite, SWT.NULL); descriptionsLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1)); descriptionsLabel.setText(Messages.MenuEntryDialog_MenuEntryLabels); languagesCombo = new Combo(descriptionsComposite, SWT.READ_ONLY | SWT.DROP_DOWN | SWT.SINGLE); languagesCombo.setLayoutData(new GridData(SWT.BEGINNING, SWT.NONE, false, false, 1, 1)); Set<String> languages = Util.lang2iso.keySet(); for (Object element : languages) { String language = (String) element; languagesCombo.add(language); } languagesCombo.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { } }); languagesCombo.select(0); labelText = new Text(descriptionsComposite, SWT.BORDER | SWT.SINGLE); labelText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); labelText.addKeyListener(new KeyListener() { public void keyPressed(KeyEvent e) { } public void keyReleased(KeyEvent e) { if ((e.stateMask == 0) && (e.character == SWT.CR)) { String isoCode = Util.lang2iso.get(languagesCombo.getText()); descriptionsMap.put(isoCode, labelText.getText()); descriptionsViewer.refresh(); } } }); Button addLabelButton = new Button(descriptionsComposite, SWT.PUSH); addLabelButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); addLabelButton.setImage(ImageCache.getCreatedImage(EImage.ADD_OBJ.getPath())); addLabelButton.setToolTipText(Messages.MenuEntryDialog_Add); addLabelButton.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) { }; public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { String isoCode = Util.lang2iso.get(languagesCombo.getText()); descriptionsMap.put(isoCode, labelText.getText()); descriptionsViewer.refresh(); }; }); final String LANGUAGE = Messages.MenuEntryDialog_Language; final String LABEL = Messages.MenuEntryDialog_Label; descriptionsViewer = new TableViewer(descriptionsComposite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION); descriptionsViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1)); ((GridData) descriptionsViewer.getControl().getLayoutData()).heightHint = 100; // Set up the underlying table Table table = descriptionsViewer.getTable(); // table.setLayoutData(new GridData(GridData.FILL_BOTH)); new TableColumn(table, SWT.LEFT).setText(LANGUAGE); new TableColumn(table, SWT.CENTER).setText(LABEL); table.getColumn(0).setWidth(150); table.getColumn(1).setWidth(150); for (int i = 2, n = table.getColumnCount(); i < n; i++) { table.getColumn(i).pack(); } table.setHeaderVisible(true); table.setLinesVisible(true); // Create the cell editors --> We actually discard those later: not natural for an user CellEditor[] editors = new CellEditor[2]; editors[0] = new TextCellEditor(table); editors[1] = new TextCellEditor(table); descriptionsViewer.setCellEditors(editors); // set the content provider descriptionsViewer.setContentProvider(new IStructuredContentProvider() { public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public Object[] getElements(Object inputElement) { // System.out.println("getElements() "); LinkedHashMap<String, String> descs = (LinkedHashMap<String, String>) inputElement; Set<String> languages = descs.keySet(); ArrayList<DescriptionLine> lines = new ArrayList<DescriptionLine>(); for (Object element : languages) { String language = (String) element; DescriptionLine line = new DescriptionLine(Util.iso2lang.get(language), descs.get(language)); lines.add(line); } // we return an instance line made of a Sring and a boolean return lines.toArray(new DescriptionLine[lines.size()]); } }); // set the label provider descriptionsViewer.setLabelProvider(new ITableLabelProvider() { public boolean isLabelProperty(Object element, String property) { return false; } public void dispose() { } public void addListener(ILabelProviderListener listener) { } public void removeListener(ILabelProviderListener listener) { } public String getColumnText(Object element, int columnIndex) { // System.out.println("getColumnText() "+columnIndex); DescriptionLine line = (DescriptionLine) element; switch (columnIndex) { case 0: return line.getLanguage(); case 1: return line.getLabel(); } return "";//$NON-NLS-1$ } public Image getColumnImage(Object element, int columnIndex) { return null; } }); // Set the column properties descriptionsViewer.setColumnProperties(new String[] { LANGUAGE, LABEL }); // set the Cell Modifier descriptionsViewer.setCellModifier(new ICellModifier() { public boolean canModify(Object element, String property) { // if (INSTANCE_ACCESS.equals(property)) return true; Deactivated return false; } public void modify(Object element, String property, Object value) { // System.out.println("modify() "+element.getClass().getName()+": "+property+": "+value); // DescriptionLine line = // (DescriptionLine)((IStructuredSelection)instancesViewer.getSelection()).getFirstElement(); // deactivated: editing in places is not natural for users } public Object getValue(Object element, String property) { // System.out.println("getValue() "+property); DescriptionLine line = (DescriptionLine) element; if (LANGUAGE.equals(property)) { return line.getLanguage(); } if (LABEL.equals(property)) { return line.getLabel(); } return null; } }); // Listen for changes in the selection of the viewer to display additional parameters descriptionsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { } }); // display for Delete Key events to delete an instance descriptionsViewer.getTable().addKeyListener(new KeyListener() { public void keyPressed(KeyEvent e) { } public void keyReleased(KeyEvent e) { // System.out.println("Table keyReleased() "); if ((e.stateMask == 0) && (e.character == SWT.DEL) && (descriptionsViewer.getSelection() != null)) { DescriptionLine line = (DescriptionLine) ((IStructuredSelection) descriptionsViewer .getSelection()).getFirstElement(); String isoCode = Util.lang2iso.get(line.getLanguage()); LinkedHashMap<String, String> descs = (LinkedHashMap<String, String>) descriptionsViewer .getInput(); descs.remove(isoCode); descriptionsViewer.refresh(); } } }); descriptionsViewer.refresh(); if (wsMenuEntry != null) { idText.setText(wsMenuEntry.getId() == null ? "" : wsMenuEntry.getId());//$NON-NLS-1$ contextText.setText(wsMenuEntry.getContext() == null ? "" : wsMenuEntry.getContext());//$NON-NLS-1$ applicationNameText.setText(wsMenuEntry.getApplication() == null ? "" : wsMenuEntry.getApplication());//$NON-NLS-1$ iconPathText.setFilename(wsMenuEntry.getIcon() == null ? "" : wsMenuEntry.getIcon());//$NON-NLS-1$ descriptionsViewer.setInput(descriptionsMap); } idText.setFocus(); return composite; } @Override protected void createButtonsForButtonBar(Composite parent) { super.createButtonsForButtonBar(parent); getButton(IDialogConstants.OK_ID).addSelectionListener(this.caller); getButton(IDialogConstants.CANCEL_ID).addSelectionListener(this.caller); } @Override protected void okPressed() { setReturnCode(OK); getButton(IDialogConstants.OK_ID).setData("dialog", MenuEntryDialog.this);//$NON-NLS-1$ if (!isLocal) { try { String icon = "";//$NON-NLS-1$ // if(!wsMenuEntry.getIcon().equalsIgnoreCase(getIconPathText().getText())){ if (wsMenuEntry.getIcon() != null) { if (!wsMenuEntry.getIcon().equalsIgnoreCase(getIconPathText().getText())) { HttpClientUtil.uploadImageFile( uripre + "/imageserver/secure/ImageDeleteServlet?uri=" + wsMenuEntry.getIcon(), "", //$NON-NLS-1$//$NON-NLS-2$ null, null, treeObject.getUsername(), treeObject.getPassword(), null); if (!"".equalsIgnoreCase(getIconPathText().getText())) { icon = HttpClientUtil.uploadImageFile( uripre + "/imageserver/secure/ImageUploadServlet?changeFileName=false", //$NON-NLS-1$ getIconPathText().getText(), null, null, treeObject.getUsername(), treeObject.getPassword(), null); } getIconPathText().setText(icon); } } else if (!"".equalsIgnoreCase(getIconPathText().getText())) {//$NON-NLS-1$ icon = HttpClientUtil.uploadImageFile( uripre + "/imageserver/secure/ImageUploadServlet?changeFileName=false", //$NON-NLS-1$ getIconPathText().getText(), null, null, treeObject.getUsername(), treeObject.getPassword(), null); getIconPathText().setText(icon); } // ResourcesUtil.postPicFromFile(getIdText().getText(), getIconPathText().getText(),uripre); } catch (Exception e) { log.error(e.getMessage(), e); } } // no close let Action Handler handle it } @Override protected void cancelPressed() { setReturnCode(CANCEL); getButton(IDialogConstants.CANCEL_ID).setData("dialog", MenuEntryDialog.this);//$NON-NLS-1$ // no close let Action Handler handle it } /************************************************************************************************** * Public getters read by caller ***************************************************************************************************/ public Text getApplicationNameText() { return applicationNameText; } public Text getIconPathText() { return iconPathText.getText(); } public Text getContextText() { return contextText; } public Text getIdText() { return idText; } public TableViewer getDescriptionsTableViewer() { return descriptionsViewer; } /************************************************************************************************** * A table viewer line ***************************************************************************************************/ class DescriptionLine { private String language; private String label; public DescriptionLine(String language, String label) { super(); this.language = language; this.label = label; } public String getLabel() { return label; } public void setLabel(String label) { this.label = label; } public String getLanguage() { return language; } public void setLanguage(String language) { this.language = language; } } }