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Package: SimpleControlSWTRendererUtil
SimpleControlSWTRendererUtil
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| createControlCell(int, AbstractSWTRenderer) |
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| createLabelCell(int, AbstractSWTRenderer, Optional) |
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| createValidationCell(int, AbstractSWTRenderer) |
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| showLabel(VControl, ReportService, String) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2018 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: * Johannes Faltermeier - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.spi.core.swt;
15:
16: import java.text.MessageFormat;
17:
18: import org.eclipse.core.runtime.IStatus;
19: import org.eclipse.emf.ecp.view.spi.model.LabelAlignment;
20: import org.eclipse.emf.ecp.view.spi.model.VControl;
21: import org.eclipse.emf.ecp.view.spi.model.VElement;
22: import org.eclipse.emfforms.common.Optional;
23: import org.eclipse.emfforms.spi.common.report.AbstractReport;
24: import org.eclipse.emfforms.spi.common.report.ReportService;
25: import org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer;
26: import org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell;
27: import org.eclipse.swt.SWT;
28: import org.eclipse.swt.graphics.Point;
29:
30: /**
31: * Holds some Util methods for the {@link SimpleControlSWTRenderer} which may be reused by renderers which cannot
32: * inherit from {@link SimpleControlSWTRenderer} but want to reuse functionality.
33: *
34: * @author Johannes Faltermeier
35: * @since 1.17
36: *
37: */
38: public final class SimpleControlSWTRendererUtil {
39:
40: private static final Point VALIDATION_PREFERRED_SIZE = new Point(16, 17);
41:
42: private SimpleControlSWTRendererUtil() {
43: /* util */
44: }
45:
46: /**
47: * Whether to create a label cell on the left in the same row.
48: *
49: * @param control the rendered {@link VControl}
50: * @param reportService the {@link ReportService}
51: * @param rendererName the name of the current renderer for logging
52: * @return <code>true</code> if label grid cell should be created, <code>false</code> otherwise
53: */
54: public static boolean showLabel(VControl control, ReportService reportService, String rendererName) {
55:• switch (control.getLabelAlignment()) {
56: case DEFAULT:
57: case LEFT:
58: return true;
59: case NONE:
60: return false;
61: default:
62: reportService.report(new AbstractReport(MessageFormat.format(
63: "Label alignment {0} is not supported by renderer {1}. Label alignment set to default.", //$NON-NLS-1$
64: control.getLabelAlignment().getLiteral(), rendererName), IStatus.INFO));
65: control.setLabelAlignment(LabelAlignment.DEFAULT);
66: return true;
67: }
68: }
69:
70: /**
71: * Creates the cell for the label.
72: *
73: * @param column the column index
74: * @param renderer the renderer
75: * @param labelWidth the width for the label
76: * @return the grid cell
77: */
78: public static SWTGridCell createLabelCell(
79: int column,
80: AbstractSWTRenderer<? extends VElement> renderer,
81: Optional<Integer> labelWidth) {
82:
83: final SWTGridCell labelCell = new SWTGridCell(0, column, renderer);
84: labelCell.setHorizontalGrab(false);
85: labelCell.setVerticalGrab(false);
86: labelCell.setHorizontalFill(false);
87: labelCell.setHorizontalAlignment(SWTGridCell.Alignment.BEGINNING);
88: labelCell.setVerticalFill(false);
89: labelCell.setVerticalAlignment(SWTGridCell.Alignment.CENTER);
90: labelCell.setRenderer(renderer);
91:• if (labelWidth.isPresent()) {
92: labelCell.setPreferredSize(labelWidth.get(), SWT.DEFAULT);
93: }
94: return labelCell;
95: }
96:
97: /**
98: * Creates the validation cell.
99: *
100: * @param column the column index.
101: * @param renderer the renderer
102: * @return the grid cell
103: */
104: public static SWTGridCell createValidationCell(int column, AbstractSWTRenderer<? extends VElement> renderer) {
105: final SWTGridCell validationCell = new SWTGridCell(0, column, renderer);
106: validationCell.setHorizontalGrab(false);
107: validationCell.setVerticalGrab(false);
108: validationCell.setHorizontalFill(false);
109: validationCell.setHorizontalAlignment(SWTGridCell.Alignment.CENTER);
110: validationCell.setVerticalFill(false);
111: validationCell.setVerticalAlignment(SWTGridCell.Alignment.CENTER);
112: validationCell.setRenderer(renderer);
113: validationCell.setPreferredSize(VALIDATION_PREFERRED_SIZE);
114: return validationCell;
115: }
116:
117: /**
118: * Creates the control cell.
119: *
120: * @param column the column index
121: * @param renderer the renderer
122: * @return the grid cell
123: */
124: public static SWTGridCell createControlCell(int column, AbstractSWTRenderer<? extends VElement> renderer) {
125: final SWTGridCell controlCell = new SWTGridCell(0, column, renderer);
126: controlCell.setHorizontalGrab(true);
127: controlCell.setVerticalGrab(false);
128: controlCell.setHorizontalFill(true);
129: controlCell.setVerticalFill(true);
130: controlCell.setVerticalAlignment(SWTGridCell.Alignment.CENTER);
131: controlCell.setRenderer(renderer);
132: return controlCell;
133: }
134: }