Java tutorial
/** * This file is part of Archiv-Editor. * * The software Archiv-Editor serves as a client user interface for working with * the Person Data Repository. See: pdr.bbaw.de * * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy * of Sciences and Humanities, Jgerstr. 22/23, D-10117 Berlin. * www.bbaw.de * * Copyright (C) 2010-2013 Berlin-Brandenburg Academy * of Sciences and Humanities * * The software Archiv-Editor was developed by @author: Christoph Plutte. * * Archiv-Editor is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Archiv-Editor 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Archiv-Editor. * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>. */ package org.bbaw.pdr.ae.view.control.customSWTWidges; import java.util.ArrayList; import org.bbaw.pdr.ae.common.AEVIEWConstants; import org.bbaw.pdr.ae.common.CommonActivator; import org.bbaw.pdr.ae.common.NLMessages; import org.bbaw.pdr.ae.common.icons.IconsInternal; import org.bbaw.pdr.ae.control.facade.Facade; import org.bbaw.pdr.ae.metamodel.PdrId; import org.bbaw.pdr.ae.model.PdrObject; import org.bbaw.pdr.ae.model.Reference; import org.bbaw.pdr.ae.model.ReferenceMods; import org.bbaw.pdr.ae.model.ValidationStm; import org.bbaw.pdr.ae.model.view.Facet; import org.bbaw.pdr.ae.view.control.dialogs.SelectObjectDialog; import org.bbaw.pdr.ae.view.control.interfaces.IAEBasicEditor; import org.bbaw.pdr.ae.view.control.provider.AutoCompleteNameLabelProvider; import org.bbaw.pdr.ae.view.control.provider.FacetContentProposalProvider; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.NotEnabledException; import org.eclipse.core.commands.NotHandledException; import org.eclipse.core.commands.common.NotDefinedException; import org.eclipse.jface.fieldassist.AutoCompleteField; import org.eclipse.jface.fieldassist.ContentProposalAdapter; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.fieldassist.IContentProposal; import org.eclipse.jface.fieldassist.IContentProposalListener; import org.eclipse.jface.fieldassist.TextContentAdapter; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.swt.SWT; import org.eclipse.swt.events.FocusEvent; import org.eclipse.swt.events.FocusListener; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Color; 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.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.handlers.IHandlerService; public class ValidationEditorLine extends Composite implements IAEBasicEditor { private ValidationStm _validationStm; private Composite _composite; private Button _searchButton; private Button _newButton; private Text _sourceText; private Text _sourcePageText; private Label _labelSource; private Label _labelInternal; private boolean _isValid = true; private boolean _isDirty = false; private ControlDecoration _decoValId; /** The WHIT e_ color. */ private static final Color WHITE_COLOR = Display.getDefault().getSystemColor(SWT.COLOR_WHITE); private Facade _facade = Facade.getInstanz(); private IAEBasicEditor _parentEditor; /** Instance of shared image registry. */ private ImageRegistry _imageReg = CommonActivator.getDefault().getImageRegistry(); /** The _selection listener. */ private ArrayList<SelectionListener> _selectionListener = new ArrayList<SelectionListener>(); private boolean _showLabel; private Button _editRefButton; private boolean _selected; private boolean _editable = true; public ValidationEditorLine(IAEBasicEditor parentEditor, ValidationStm validationStm, Composite parent, boolean showLabel, int style) { super(parent, style); _parentEditor = parentEditor; _validationStm = validationStm; _showLabel = showLabel; createEditor(); if (_validationStm == null) { _validationStm = new ValidationStm(); _validationStm.setReference(new Reference()); _validationStm.setAuthority(_facade.getCurrentUser().getPdrId()); setValidationQuality(); } else { loadValidation(); } validateInternal(); // _composite.pack(); _composite.layout(); // this.setSize(SWT.DEFAULT, 18); // this.pack(); this.layout(); } public final void addSelectionListener(final SelectionListener listener) { if (listener != null) { _selectionListener.add(listener); } } private void createEditor() { this.setLayout(new GridLayout(1, false)); ((GridLayout) this.getLayout()).marginHeight = 0; ((GridLayout) this.getLayout()).verticalSpacing = 0; _composite = new Composite(this, SWT.NONE); _composite.setLayoutData(new GridData()); ((GridData) _composite.getLayoutData()).horizontalAlignment = SWT.FILL; ((GridData) _composite.getLayoutData()).grabExcessHorizontalSpace = true; _composite.setLayout(new GridLayout(12, false)); ((GridLayout) _composite.getLayout()).marginHeight = 0; ((GridLayout) _composite.getLayout()).verticalSpacing = 0; if (_showLabel) { ((GridLayout) _composite.getLayout()).numColumns = 13; _labelSource = new Label(_composite, SWT.NONE); _labelSource.setText(NLMessages.getString("Editor_reference") + "*"); _labelSource.setLayoutData(new GridData()); ((GridData) _labelSource.getLayoutData()).horizontalSpan = 1; ((GridData) _labelSource.getLayoutData()).horizontalAlignment = SWT.RIGHT; } _sourceText = new Text(_composite, SWT.BORDER); _sourceText.setBackground(WHITE_COLOR); _sourceText.setLayoutData(new GridData()); ((GridData) _sourceText.getLayoutData()).horizontalSpan = 5; ((GridData) _sourceText.getLayoutData()).horizontalAlignment = SWT.FILL; ((GridData) _sourceText.getLayoutData()).grabExcessHorizontalSpace = true; _sourceText.addFocusListener(new FocusListener() { @Override public void focusGained(final FocusEvent e) { Event ee = new Event(); ee.widget = ValidationEditorLine.this; SelectionEvent se = new SelectionEvent(ee); for (SelectionListener s : _selectionListener) { s.widgetSelected(se); } ContentProposalAdapter adapter = new ContentProposalAdapter(_sourceText, new TextContentAdapter(), new FacetContentProposalProvider(_facade.getAllReferenceFacets()), null, null); adapter.setLabelProvider(new AutoCompleteNameLabelProvider()); adapter.addContentProposalListener(new IContentProposalListener() { @Override public void proposalAccepted(final IContentProposal proposal) { _sourceText.setText(proposal.getContent()); if (((Facet) proposal).getKey() != null) { if (_validationStm.getReference() == null) { _validationStm.setReference(new Reference()); } _validationStm.getReference().setSourceId(new PdrId(((Facet) proposal).getKey())); _decoValId.setImage(null); contentChanged(); } } }); // } // catch (org.eclipse.jface.bindings.keys.ParseException e1) // { // // e1.printStackTrace(); // } } @Override public void focusLost(final FocusEvent e) { if (_sourceText.getText() != null && _sourceText.getText().trim().length() == 23) { PdrId id = new PdrId(_sourceText.getText()); PdrObject o = _facade.getPdrObject(id); if (o != null) { _validationStm.getReference().setSourceId(id); _decoValId.setImage(null); } } if (_validationStm.getReference().getSourceId() != null) { if (_facade.getReference(_validationStm.getReference().getSourceId()) != null) { _decoValId.setDescriptionText(""); _decoValId.setImage(null); } else { _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); _decoValId.setDescriptionText(NLMessages.getString("Editor_missing_object_no_relation")); } } if (_validationStm.getReference().getQuality() == null) { _validationStm.getReference().setQuality("certain"); } contentChanged(); } }); _sourceText.addKeyListener(new KeyListener() { @Override public void keyPressed(final KeyEvent e) { } @Override public void keyReleased(final KeyEvent e) { if (_sourceText.getText().length() == 23) { PdrObject o = _facade.getReference(new PdrId(_sourceText.getText())); if (o != null) { _decoValId.setImage(null); _validationStm.getReference().setSourceId(new PdrId(_sourceText.getText())); _sourceText.setText(o.getDisplayNameWithID()); } else { _validationStm.getReference().setSourceId(null); _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); } } else if (_sourceText.getText().trim().length() == 0) { _validationStm.getReference().setSourceId(null); _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); } contentChanged(); } }); _decoValId = new ControlDecoration(_sourceText, SWT.LEFT | SWT.TOP); _searchButton = new Button(_composite, SWT.NONE); _searchButton.setToolTipText(NLMessages.getString("Editor_linkWithSource")); _searchButton.setImage(_imageReg.get(IconsInternal.SEARCH)); _searchButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent event) { IWorkbench workbench = PlatformUI.getWorkbench(); Display display = workbench.getDisplay(); Shell shell = new Shell(display); SelectObjectDialog dialog = new SelectObjectDialog(shell, 2); dialog.open(); if (_facade.getRequestedId() != null) { _validationStm.getReference().setSourceId(_facade.getRequestedId()); if (_validationStm.getReference().isValidId()) { _decoValId.setImage(null); PdrObject o = _facade.getReference(_validationStm.getReference().getSourceId()); if (o != null) { _sourceText.setText(o.getDisplayNameWithID()); //$NON-NLS-1$ } } } else { if (!_validationStm.getReference().isValidId()) { _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); _sourceText.setText(""); } } contentChanged(); } }); _editRefButton = new Button(_composite, SWT.PUSH); _editRefButton.setImage(_imageReg.get(IconsInternal.REFERENCE_EDIT)); _editRefButton.setLayoutData(new GridData()); _editRefButton.setToolTipText(NLMessages.getString("Editor_edit_reference_tooltip")); //$NON-NLS-1$ _editRefButton.pack(); _editRefButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent event) { if (_validationStm.getReference() != null && _validationStm.getReference().getSourceId() != null) { ReferenceMods ref = _facade.getReference(_validationStm.getReference().getSourceId()); if (ref != null) { _facade.setCurrentReference(ref); IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench() .getService(IHandlerService.class); try { handlerService.executeCommand( "org.bbaw.pdr.ae.view.main.commands.OpenSourceEditorDialog", null); //$NON-NLS-1$ } catch (ExecutionException e) { e.printStackTrace(); } catch (NotDefinedException e) { e.printStackTrace(); } catch (NotEnabledException e) { e.printStackTrace(); } catch (NotHandledException e) { e.printStackTrace(); } } } } }); _newButton = new Button(_composite, SWT.NONE); _newButton.setToolTipText(NLMessages.getString("Editor_create_new_ref_tip")); _newButton.setImage(_imageReg.get(IconsInternal.REFERENCE_NEW)); _newButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent event) { Event ee = new Event(); ee.widget = ValidationEditorLine.this; SelectionEvent se = new SelectionEvent(ee); for (SelectionListener s : _selectionListener) { s.widgetSelected(se); } IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench() .getService(IHandlerService.class); try { handlerService.executeCommand("org.bbaw.pdr.ae.view.main.commands.NewReference", null); //$NON-NLS-1$ } catch (ExecutionException e) { e.printStackTrace(); } catch (NotDefinedException e) { e.printStackTrace(); } catch (NotEnabledException e) { e.printStackTrace(); } catch (NotHandledException e) { e.printStackTrace(); } if (_facade.getCurrentReference() != null) { _validationStm.getReference().setSourceId(_facade.getCurrentReference().getPdrId()); _sourceText.setText(_facade.getReference(_validationStm.getReference().getSourceId()) .getDisplayNameWithID()); //$NON-NLS-1$ } if (_validationStm.getReference().isValidId()) { _decoValId.setImage(null); } else { _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); } contentChanged(); } }); _labelInternal = new Label(_composite, SWT.NONE); _labelInternal.setText(NLMessages.getString("Editor_internal")); _labelInternal.setLayoutData(new GridData()); ((GridData) _labelInternal.getLayoutData()).horizontalSpan = 1; ((GridData) _labelInternal.getLayoutData()).horizontalAlignment = SWT.RIGHT; _sourcePageText = new Text(_composite, SWT.BORDER); _sourcePageText.setLayoutData(new GridData()); ((GridData) _sourcePageText.getLayoutData()).horizontalSpan = 3; ((GridData) _sourcePageText.getLayoutData()).horizontalAlignment = SWT.FILL; ((GridData) _sourcePageText.getLayoutData()).grabExcessHorizontalSpace = true; _sourcePageText.addFocusListener(new FocusListener() { @Override public void focusGained(final FocusEvent e) { Event ee = new Event(); ee.widget = ValidationEditorLine.this; SelectionEvent se = new SelectionEvent(ee); for (SelectionListener s : _selectionListener) { s.widgetSelected(se); } String[] vals = new String[] { "test" }; try { vals = _facade.getMainSearcher().getFacets("validation", "internal", null, null, //$NON-NLS-1$ null); } catch (Exception e1) { e1.printStackTrace(); } new AutoCompleteField(_sourcePageText, new TextContentAdapter(), vals); } @Override public void focusLost(FocusEvent e) { if (_sourcePageText.getText() != null && _sourcePageText.getText().trim().length() > 0) { _validationStm.getReference().setInternal(_sourcePageText.getText()); } contentChanged(); } }); } public ValidationStm getValidationStm() { return _validationStm; } @Override public boolean isDirty() { return _isDirty; } @Override public boolean isValid() { return (_validationStm.isValid()); } private void loadValidation() { if (_validationStm.getReference() != null) { if (_validationStm.getReference().getSourceId() != null) { PdrObject o = _facade.getPdrObject(_validationStm.getReference().getSourceId()); if (o != null) { _sourceText.setText(o.getDisplayName()); _decoValId.setImage(null); } else { _sourceText.setText(_validationStm.getReference().getSourceId().toString()); _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage()); _decoValId.setDescriptionText(NLMessages.getString("Editor_missing_object_no_relation")); } } if (_validationStm.getReference().getInternal() != null) { _sourcePageText.setText(_validationStm.getReference().getInternal()); } } else { _sourceText.setText(""); _decoValId.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_REQUIRED).getImage()); } } @Override public void setBackground(Color color) { if (!super.isDisposed()) { super.setBackground(color); _composite.setBackground(color); if (_showLabel) { _labelSource.setBackground(color); } _labelInternal.setBackground(color); } } @Override public void setDirty(boolean isDirty) { this._isDirty = isDirty; if (_isDirty && _parentEditor != null) { _parentEditor.setDirty(isDirty); } } @Override public void setForeground(Color color) { super.setForeground(color); if (_showLabel) { _labelSource.setForeground(color); } _labelInternal.setForeground(color); _sourceText.setForeground(color); _sourcePageText.setForeground(color); } @Override public void setLayoutData(Object layoutData) { super.setLayoutData(layoutData); // if (_composite != null) { // _composite.setLayoutData(layoutData); // } } @Override public void setSelected(boolean isSelected, boolean contextIsValid) { this._selected = isSelected; _sourceText.setEditable(_selected && _editable); _sourcePageText.setEditable(_selected && _editable); _newButton.setEnabled(isSelected && _editable); _searchButton.setEnabled(isSelected && _editable); _editRefButton.setEnabled(isSelected && _editable); if (isSelected && contextIsValid) { setBackground(AEVIEWConstants.VIEW_BACKGROUND_SELECTED_COLOR); setForeground(AEVIEWConstants.VIEW_FOREGROUND_SELECTED_COLOR); } else if (contextIsValid) { setBackground(AEVIEWConstants.VIEW_BACKGROUND_DESELECTED_COLOR); setForeground(AEVIEWConstants.VIEW_FOREGROUND_DESELECTED_COLOR); } else if (isSelected) { setBackground(AEVIEWConstants.VIEW_BACKGROUND_INVALID_COLOR); setForeground(AEVIEWConstants.VIEW_FOREGROUND_SELECTED_COLOR); } else { setForeground(AEVIEWConstants.VIEW_FOREGROUND_DESELECTED_COLOR); setBackground(AEVIEWConstants.VIEW_BACKGROUND_INVALID_COLOR); } } private void contentChanged() { setDirty(true); saveInput(); validateInternal(); validate(); } private void validateInternal() { setValid(_validationStm.isValid()); } private void setValid(boolean isValid) { this._isValid = isValid; } private void setValidationQuality() { if (_validationStm != null && _validationStm.getReference() != null && (_validationStm.getReference().getQuality() == null || !(_validationStm.getReference().getQuality().equals("certain") || _validationStm.getReference().getQuality().equals("probable") || _validationStm.getReference().getQuality().equals("unsure")))) { _validationStm.getReference().setQuality("certain"); } } public void setInput(Object input) { if (input instanceof ValidationStm) { this._validationStm = (ValidationStm) input; setValidationQuality(); loadValidation(); } } @Override public void validate() { if (_parentEditor != null) { _parentEditor.validate(); } } @Override public void saveInput() { // TODO Auto-generated method stub } @Override public void setEditable(boolean editable) { this._editable = editable; _sourceText.setEditable(_selected && _editable); _sourcePageText.setEditable(_selected && _editable); _newButton.setEnabled(_selected && editable); _searchButton.setEnabled(_selected && editable); _editRefButton.setEnabled(_selected && editable); } }