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.editors; import java.util.ArrayList; import java.util.Arrays; import java.util.Observable; import java.util.Observer; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.DND; import org.eclipse.swt.dnd.DragSource; import org.eclipse.swt.dnd.DragSourceEvent; import org.eclipse.swt.dnd.DragSourceListener; import org.eclipse.swt.dnd.DropTarget; import org.eclipse.swt.dnd.DropTargetEvent; import org.eclipse.swt.dnd.DropTargetListener; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.List; import org.eclipse.ui.forms.AbstractFormPart; import org.eclipse.ui.forms.IManagedForm; import org.eclipse.ui.forms.SectionPart; import org.eclipse.ui.forms.editor.FormEditor; import org.eclipse.ui.forms.events.ExpansionAdapter; import org.eclipse.ui.forms.events.ExpansionEvent; import org.eclipse.ui.forms.widgets.ExpandableComposite; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.ScrolledForm; import org.eclipse.ui.forms.widgets.Section; import org.eclipse.ui.forms.widgets.TableWrapData; import org.eclipse.ui.forms.widgets.TableWrapLayout; import com.amalto.workbench.utils.IConstants; import com.amalto.workbench.utils.Util; import com.amalto.workbench.utils.XtentisException; import com.amalto.workbench.webservices.TMDMService; import com.amalto.workbench.widgets.ComplexTableViewerColumn; import com.amalto.workbench.widgets.TableViewWrapper; import com.amalto.workbench.widgets.TisTableViewer; import com.amalto.workbench.widgets.WidgetFactory; public abstract class AMainPageV2 extends AFormPage implements ModifyListener, Observer { private static Log log = LogFactory.getLog(AMainPageV2.class); protected boolean comitting; protected boolean refreshing; protected boolean isCompositeView = true; private TMDMService port; public void setCompositeView(boolean isCompositeView) { this.isCompositeView = isCompositeView; } protected ComplexTableViewerColumn[] conditionsColumns; protected TableViewWrapper wrap = new TableViewWrapper();; protected TisTableViewer conditionViewer; public boolean isComitting() { return comitting; } public void setComitting(boolean comitting) { this.comitting = comitting; } public boolean isRefreshing() { return refreshing; } public void setRefreshing(boolean refreshing) { this.refreshing = refreshing; } private TopFormPart topFormPart = null; public AMainPageV2(FormEditor editor, String id, String title) { super(editor, id, title); } public void update(Observable o, Object arg) { } @Override protected void createFormContent(IManagedForm managedForm) { super.createFormContent(managedForm); try { /* * FormToolkit toolkit = managedForm.getToolkit(); * * final ScrolledForm form = managedForm.getForm(); TableWrapLayout formLayout = new TableWrapLayout(); * form.getBody().setLayout(formLayout); * * formLayout.numColumns = 1; * * //create the FormPart firstSectionPart = new SectionPart( form.getBody(), toolkit, * Section.DESCRIPTION|ExpandableComposite.TWISTIE|ExpandableComposite.EXPANDED ) ; * managedForm.addPart(firstSectionPart); * * //Layout the components Section firstSection = firstSectionPart.getSection(); * firstSection.setText("Characteristics"); firstSection.setLayoutData( new * TableWrapData(TableWrapData.FILL_GRAB) ); * * firstSection.addExpansionListener(new ExpansionAdapter() { public void * expansionStateChanged(ExpansionEvent e) { form.reflow(true); } }); * firstSection.setDescription("The main characteristics"); firstSection.setLayout(new GridLayout(1,false)); * * toolkit.createCompositeSeparator(firstSection); * * * Composite charComposite = toolkit.createComposite(firstSection); charComposite.setLayoutData( new * GridData(SWT.FILL,SWT.FILL,true,true,1,1) ); GridLayout charLayout = new GridLayout(2,false); * charComposite.setLayout(charLayout); * * firstSection.setClient(charComposite); */ ScrolledForm form = managedForm.getForm(); TableWrapLayout formLayout = new TableWrapLayout(); form.getBody().setLayout(formLayout); // sets the title form.setText(this.getTitle()); // get the toolkit FormToolkit toolkit = WidgetFactory.getWidgetFactory();// managedForm.getToolkit(); // This part is meant to track dirty states topFormPart = new TopFormPart(); getManagedForm().addPart(topFormPart); // initCoditionsColumns(); createCharacteristicsContent(toolkit, topFormPart.getComposite()); // adapt body add mouse/focus listener for child // WidgetFactory factory=WidgetFactory.getWidgetFactory(); toolkit.adapt(form.getBody()); initReadOnly(form); } catch (Exception e) { log.error(e.getMessage(), e); } }// createFormContent protected void initCoditionsColumns() { ComplexTableViewerColumn operatorColumn; if (isCompositeView) { operatorColumn = new ComplexTableViewerColumn("Operator", false, "", "", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ ComplexTableViewerColumn.COMBO_STYLE, IConstants.COMPOSITE_VIEW_CONDITION_OPERATORS, 0); } else { operatorColumn = new ComplexTableViewerColumn("Operator", false, "", "", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ ComplexTableViewerColumn.COMBO_STYLE, IConstants.VIEW_CONDITION_OPERATORS, 0); } conditionsColumns = new ComplexTableViewerColumn[] { new ComplexTableViewerColumn("XPath", false, "newXPath", "newXPath", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ ComplexTableViewerColumn.XPATH_STYLE, new String[] {}, 0), operatorColumn, new ComplexTableViewerColumn("Value", false, "", "", "", ComplexTableViewerColumn.XPATH_STYLE, //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ new String[] {}, 0), new ComplexTableViewerColumn("Predicate", true, "", "", "", ComplexTableViewerColumn.COMBO_STYLE, //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$ IConstants.PREDICATES, 0), }; } /** * The composite containing the actual characteristics form By default its layout is GridLayout of 2 columns * * @param charSection */ protected abstract void createCharacteristicsContent(FormToolkit toolkit, Composite charSection); protected Composite getNewSectionComposite(String title) { return getNewSectionComposite(title, ExpandableComposite.TITLE_BAR | ExpandableComposite.TWISTIE | ExpandableComposite.EXPANDED); } protected Composite getNewSectionComposite(String title, int style) { return (Composite) getNewSection(title, style).getClient(); } protected Section getNewSection(String title) { return getNewSection(title, ExpandableComposite.TITLE_BAR | ExpandableComposite.TWISTIE | ExpandableComposite.EXPANDED); } protected Section getNewSection(String title, int style) { // create the FormPart SectionPart newSectionPart = new SectionPart(this.getManagedForm().getForm().getBody(), this.getManagedForm().getToolkit(), style); this.getManagedForm().addPart(newSectionPart); // Layout the components Section newSection = newSectionPart.getSection(); if (title != null) { newSection.setText(title); } newSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); newSection.addExpansionListener(new ExpansionAdapter() { @Override public void expansionStateChanged(ExpansionEvent e) { AMainPageV2.this.getManagedForm().getForm().reflow(true); } }); newSection.setLayout(new GridLayout(1, false)); // this.getManagedForm().getToolkit().createCompositeSeparator(newSection); newSection.setClient(getNewSectionComposite(newSection)); // in case someone calls getClient directly return newSection; } public Composite getNewSectionComposite(Section section) { Composite newComposite = this.getManagedForm().getToolkit().createComposite(section); newComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); GridLayout charLayout = new GridLayout(2, false); newComposite.setLayout(charLayout); return newComposite; } /** * Modify Events on the page */ public void modifyText(ModifyEvent e) { markDirtyWithoutCommit(); } /** * Marks the page as dirty */ public void markDirty() { topFormPart.markDirty(); // TODO:check this method if there is any other problem. commitChanges(); } public void markDirtyWithoutCommit() { topFormPart.markDirty(); } // This Part is meant to track dirty states changes class TopFormPart extends AbstractFormPart { public Composite getComposite() { ScrolledForm form = this.getManagedForm().getForm(); Composite topComposite = this.getManagedForm().getToolkit().createComposite(form.getBody()); topComposite.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); topComposite.setLayout(new GridLayout(2, false)); return topComposite; } } /**************************************************************************** * DND ****************************************************************************/ protected class DCDragSourceListener implements DragSourceListener { private int selected; public void dragFinished(DragSourceEvent event) { Control control = ((DragSource) event.widget).getControl(); if ((control instanceof List) && ((event.detail & DND.DROP_MOVE) == DND.DROP_MOVE)) { ((List) control).remove(selected); markDirty(); } } public void dragSetData(DragSourceEvent event) { Control control = ((DragSource) event.widget).getControl(); if ((control instanceof List)) { if (TextTransfer.getInstance().isSupportedType(event.dataType)) { this.selected = ((List) control).getSelectionIndex(); event.data = ((List) control).getSelection()[0]; } } } public void dragStart(DragSourceEvent event) { Control control = ((DragSource) event.widget).getControl(); if ((control instanceof List)) { event.doit = (((List) control).getItemCount() > 0); } } } public class DCDropTargetListener implements DropTargetListener { public void dragEnter(DropTargetEvent event) { // priority to copy if ((event.operations & DND.DROP_COPY) == DND.DROP_COPY) { event.detail = DND.DROP_COPY; } else if ((event.operations & DND.DROP_MOVE) == DND.DROP_MOVE) { event.detail = DND.DROP_MOVE; } else { event.detail = DND.DROP_NONE; } } public void dragLeave(DropTargetEvent event) { } public void dragOperationChanged(DropTargetEvent event) { } public void dragOver(DropTargetEvent event) { } public void drop(DropTargetEvent event) { Control control = ((DropTarget) event.widget).getControl(); if ((control instanceof List) && ((event.operations & DND.DROP_COPY) == DND.DROP_COPY)) { if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) { if (!Arrays.asList(((List) control).getItems()).contains(event.data)) { ((List) control).add((String) event.data); markDirty(); } } } } public void dropAccept(DropTargetEvent event) { } } protected TMDMService getService() { if (port == null) { try { port = Util.getMDMService(getXObject()); } catch (XtentisException e) { log.error(e.getMessage(), e); } } return port; } protected java.util.List<String> getRegex() { java.util.List<String> regex = new ArrayList<String>(); regex.add(".*"); //$NON-NLS-1$ return regex; } }