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Package: HorizontalLayoutSWTRenderer
HorizontalLayoutSWTRenderer
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| HorizontalLayoutSWTRenderer(VHorizontalLayout, ViewModelContext, ReportService, EMFFormsRendererFactory) |
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| dispose() |
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| getGridDescription(SWTGridDescription) |
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| renderControl(SWTGridCell, Composite) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Edagr Mueller - initial API and implementation
13: * Eugen Neufeld - Refactoring
14: ******************************************************************************/
15: package org.eclipse.emf.ecp.view.spi.horizontal.swt;
16:
17: import java.util.LinkedHashMap;
18: import java.util.Map;
19:
20: import javax.inject.Inject;
21:
22: import org.eclipse.core.runtime.IStatus;
23: import org.eclipse.core.runtime.Status;
24: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
25: import org.eclipse.emf.ecp.view.spi.horizontal.model.VHorizontalLayout;
26: import org.eclipse.emf.ecp.view.spi.model.VContainedElement;
27: import org.eclipse.emf.ecp.view.spi.model.VElement;
28: import org.eclipse.emf.ecp.view.spi.model.reporting.StatusReport;
29: import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
30: import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
31: import org.eclipse.emf.ecp.view.spi.swt.layout.LayoutProviderHelper;
32: import org.eclipse.emf.ecp.view.spi.swt.reporting.RenderingFailedReport;
33: import org.eclipse.emfforms.spi.common.report.ReportService;
34: import org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer;
35: import org.eclipse.emfforms.spi.swt.core.EMFFormsNoRendererException;
36: import org.eclipse.emfforms.spi.swt.core.EMFFormsRendererFactory;
37: import org.eclipse.emfforms.spi.swt.core.layout.GridDescriptionFactory;
38: import org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell;
39: import org.eclipse.emfforms.spi.swt.core.layout.SWTGridDescription;
40: import org.eclipse.swt.SWT;
41: import org.eclipse.swt.widgets.Composite;
42: import org.eclipse.swt.widgets.Control;
43:
44: /**
45: * The SWT Renderer for the {@link VHorizontalLayout}. It renders all elements next to each other.
46: *
47: * @author Eugen Neufeld
48: * @since 1.2
49: *
50: */
51: public class HorizontalLayoutSWTRenderer extends AbstractSWTRenderer<VHorizontalLayout> {
52:
53: private final EMFFormsRendererFactory rendererFactory;
54:
55: /**
56: * Default Constructor.
57: *
58: * @param vElement the view element to be rendered
59: * @param viewContext The view model context
60: * @param reportService the ReportService to use
61: * @param rendererFactory the EMFFormsRendererFactory to use
62: * @since 1.6
63: */
64: @Inject
65: public HorizontalLayoutSWTRenderer(final VHorizontalLayout vElement, final ViewModelContext viewContext,
66: ReportService reportService, EMFFormsRendererFactory rendererFactory) {
67: super(vElement, viewContext, reportService);
68: this.rendererFactory = rendererFactory;
69: }
70:
71: private static final String CONTROL_COLUMN_COMPOSITE = "org_eclipse_emf_ecp_ui_layout_horizontal"; //$NON-NLS-1$
72: private SWTGridDescription rendererGridDescription;
73:
74: /**
75: * {@inheritDoc}
76: *
77: * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#dispose()
78: */
79: @Override
80: protected void dispose() {
81: rendererGridDescription = null;
82: super.dispose();
83: }
84:
85: /**
86: * {@inheritDoc}
87: *
88: * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#getGridDescription(SWTGridDescription)
89: */
90: @Override
91: public SWTGridDescription getGridDescription(SWTGridDescription gridDescription) {
92:• if (rendererGridDescription == null) {
93: rendererGridDescription = GridDescriptionFactory.INSTANCE.createSimpleGrid(1, 1, this);
94: rendererGridDescription.getGrid().get(0).setVerticalGrab(false);
95: }
96: return rendererGridDescription;
97: }
98:
99: /**
100: * {@inheritDoc}
101: *
102: * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#renderControl(int, org.eclipse.swt.widgets.Composite,
103: * org.eclipse.emf.ecp.view.spi.model.VElement, org.eclipse.emf.ecp.view.spi.context.ViewModelContext)
104: */
105: @Override
106: protected Control renderControl(SWTGridCell gridCell, Composite parent) throws NoRendererFoundException,
107: NoPropertyDescriptorFoundExeption {
108:• if (gridCell.getColumn() != 0) {
109: return null;
110: }
111: final Composite columnComposite = new Composite(parent, SWT.NONE);
112: columnComposite.setBackground(parent.getBackground());
113: columnComposite.setData(CUSTOM_VARIANT, CONTROL_COLUMN_COMPOSITE);
114:
115: final Map<VContainedElement, AbstractSWTRenderer<VElement>> elementRendererMap = new LinkedHashMap<VContainedElement, AbstractSWTRenderer<VElement>>();
116:• for (final VContainedElement child : getVElement().getChildren()) {
117:
118: AbstractSWTRenderer<VElement> renderer;
119: try {
120: renderer = rendererFactory.getRendererInstance(child,
121: getViewModelContext());
122: } catch (final EMFFormsNoRendererException ex) {
123: getReportService().report(new StatusReport(
124: new Status(IStatus.INFO, "org.eclipse.emf.ecp.view.horizontal.ui.swt", //$NON-NLS-1$
125: String.format("No Renderer for %s found.", child.eClass().getName())))); //$NON-NLS-1$
126: continue;
127: }
128: elementRendererMap.put(child, renderer);
129: }
130: // Gridlayout does not have an overflow as other Layouts might have.
131:
132: columnComposite.setLayout(LayoutProviderHelper.getColumnLayout(elementRendererMap.size(), true));
133:• for (final VContainedElement child : elementRendererMap.keySet()) {
134: final AbstractSWTRenderer<VElement> renderer = elementRendererMap.get(child);
135: final Composite column = new Composite(columnComposite, SWT.NONE);
136: column.setBackground(parent.getBackground());
137:
138: column.setLayoutData(LayoutProviderHelper.getSpanningLayoutData(1, 1));
139:
140: final SWTGridDescription gridDescription = renderer.getGridDescription(GridDescriptionFactory.INSTANCE
141: .createEmptyGridDescription());
142: column.setLayout(LayoutProviderHelper.getColumnLayout(gridDescription.getColumns(), false));
143:
144: try {
145:• for (final SWTGridCell childGridCell : gridDescription.getGrid()) {
146: final Control control = childGridCell.getRenderer().render(childGridCell, column);
147:• if (control == null) {
148: continue;
149: }
150: // TODO who should apply the layout
151: control.setLayoutData(LayoutProviderHelper.getLayoutData(childGridCell, gridDescription,
152: gridDescription, gridDescription, childGridCell.getRenderer().getVElement(),
153: getViewModelContext().getDomainModel(), control));
154: }
155:• for (final SWTGridCell childGridCell : gridDescription.getGrid()) {
156: childGridCell.getRenderer().finalizeRendering(column);
157: }
158: } catch (final NoPropertyDescriptorFoundExeption e) {
159: getReportService().report(new RenderingFailedReport(e));
160: continue;
161: }
162: }
163:
164: return columnComposite;
165: }
166:
167: }