+++ /dev/null
-package org.argeo.cms.swt;
-
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.StringTokenizer;
-
-import org.argeo.api.cms.ux.CmsIcon;
-import org.argeo.api.cms.ux.CmsStyle;
-import org.argeo.api.cms.ux.CmsTheme;
-import org.argeo.api.cms.ux.CmsView;
-import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.layout.FormAttachment;
-import org.eclipse.swt.layout.FormData;
-import org.eclipse.swt.layout.FormLayout;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.layout.RowData;
-import org.eclipse.swt.layout.RowLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Layout;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-import org.eclipse.swt.widgets.Widget;
-
-/** SWT utilities. */
-public class CmsSwtUtils {
- /*
- * THEME AND VIEW
- */
-
- public static CmsSwtTheme getCmsTheme(Composite parent) {
- CmsSwtTheme theme = (CmsSwtTheme) parent.getData(CmsTheme.class.getName());
- if (theme == null) {
- // find parent shell
- Shell topShell = parent.getShell();
- while (topShell.getParent() != null)
- topShell = (Shell) topShell.getParent();
- theme = (CmsSwtTheme) topShell.getData(CmsTheme.class.getName());
- parent.setData(CmsTheme.class.getName(), theme);
- }
- return theme;
- }
-
- public static void registerCmsTheme(Shell shell, CmsTheme theme) {
- // find parent shell
- Shell topShell = shell;
- while (topShell.getParent() != null)
- topShell = (Shell) topShell.getParent();
- // check if already set
- if (topShell.getData(CmsTheme.class.getName()) != null) {
- CmsTheme registeredTheme = (CmsTheme) topShell.getData(CmsTheme.class.getName());
- throw new IllegalArgumentException(
- "Theme " + registeredTheme.getThemeId() + " already registered in this shell");
- }
- topShell.setData(CmsTheme.class.getName(), theme);
- }
-
- public static CmsView getCmsView(Control parent) {
- // find parent shell
- Shell topShell = parent.getShell();
- while (topShell.getParent() != null)
- topShell = (Shell) topShell.getParent();
- return (CmsView) topShell.getData(CmsView.class.getName());
- }
-
- public static void registerCmsView(Shell shell, CmsView view) {
- // find parent shell
- Shell topShell = shell;
- while (topShell.getParent() != null)
- topShell = (Shell) topShell.getParent();
- // check if already set
- if (topShell.getData(CmsView.class.getName()) != null) {
- CmsView registeredView = (CmsView) topShell.getData(CmsView.class.getName());
- throw new IllegalArgumentException("Cms view " + registeredView + " already registered in this shell");
- }
- shell.setData(CmsView.class.getName(), view);
- }
-
- /*
- * EVENTS
- */
-
- /** Sends an event via {@link CmsView#sendEvent(String, Map)}. */
- public static void sendEventOnSelect(Control control, String topic, Map<String, Object> properties) {
- SelectionListener listener = (Selected) (e) -> {
- getCmsView(control.getParent()).sendEvent(topic, properties);
- };
- if (control instanceof Button) {
- ((Button) control).addSelectionListener(listener);
- } else
- throw new UnsupportedOperationException("Control type " + control.getClass() + " is not supported.");
- }
-
- /**
- * Convenience method to sends an event via
- * {@link CmsView#sendEvent(String, Map)}.
- */
- public static void sendEventOnSelect(Control control, String topic, String key, Object value) {
- Map<String, Object> properties = new HashMap<>();
- properties.put(key, value);
- sendEventOnSelect(control, topic, properties);
- }
-
- /*
- * ICONS
- */
- /** Get a small icon from this theme. */
- public static Image getSmallIcon(CmsTheme theme, CmsIcon icon) {
- return ((CmsSwtTheme) theme).getSmallIcon(icon);
- }
-
- /** Get a big icon from this theme. */
- public static Image getBigIcon(CmsTheme theme, CmsIcon icon) {
- return ((CmsSwtTheme) theme).getBigIcon(icon);
- }
-
- /*
- * LAYOUT INDEPENDENT
- */
- /** Takes the most space possible, depending on parent layout. */
- public static void fill(Control control) {
- Layout parentLayout = control.getParent().getLayout();
- if (parentLayout == null)
- throw new IllegalStateException("Parent layout is not set");
- if (parentLayout instanceof GridLayout) {
- control.setLayoutData(fillAll());
- } else if (parentLayout instanceof FormLayout) {
- control.setLayoutData(coverAll());
- } else {
- throw new IllegalArgumentException("Unsupported parent layout " + parentLayout.getClass().getName());
- }
- }
-
- /*
- * GRID LAYOUT
- */
- /** A {@link GridLayout} without any spacing and one column. */
- public static GridLayout noSpaceGridLayout() {
- return noSpaceGridLayout(new GridLayout());
- }
-
- /**
- * A {@link GridLayout} without any spacing and multiple columns of unequal
- * width.
- */
- public static GridLayout noSpaceGridLayout(int columns) {
- return noSpaceGridLayout(new GridLayout(columns, false));
- }
-
- /** @return the same layout, with spaces removed. */
- public static GridLayout noSpaceGridLayout(GridLayout layout) {
- layout.horizontalSpacing = 0;
- layout.verticalSpacing = 0;
- layout.marginWidth = 0;
- layout.marginHeight = 0;
- return layout;
- }
-
- public static GridData fillAll() {
- return new GridData(SWT.FILL, SWT.FILL, true, true);
- }
-
- public static GridData fillWidth() {
- return grabWidth(SWT.FILL, SWT.FILL);
- }
-
- public static GridData grabWidth(int horizontalAlignment, int verticalAlignment) {
- return new GridData(horizontalAlignment, horizontalAlignment, true, false);
- }
-
- public static GridData fillHeight() {
- return grabHeight(SWT.FILL, SWT.FILL);
- }
-
- public static GridData grabHeight(int horizontalAlignment, int verticalAlignment) {
- return new GridData(horizontalAlignment, horizontalAlignment, false, true);
- }
-
- /*
- * ROW LAYOUT
- */
- /** @return the same layout, with margins removed. */
- public static RowLayout noMarginsRowLayout(RowLayout rowLayout) {
- rowLayout.marginTop = 0;
- rowLayout.marginBottom = 0;
- rowLayout.marginLeft = 0;
- rowLayout.marginRight = 0;
- return rowLayout;
- }
-
- public static RowLayout noMarginsRowLayout(int type) {
- return noMarginsRowLayout(new RowLayout(type));
- }
-
- public static RowData rowData16px() {
- return new RowData(16, 16);
- }
-
- /*
- * FORM LAYOUT
- */
- public static FormData coverAll() {
- FormData fdLabel = new FormData();
- fdLabel.top = new FormAttachment(0, 0);
- fdLabel.left = new FormAttachment(0, 0);
- fdLabel.right = new FormAttachment(100, 0);
- fdLabel.bottom = new FormAttachment(100, 0);
- return fdLabel;
- }
-
- /*
- * STYLING
- */
-
- /** Style widget */
- public static <T extends Widget> T style(T widget, String style) {
- if (style == null)
- return widget;// does nothing
- EclipseUiSpecificUtils.setStyleData(widget, style);
- if (widget instanceof Control) {
- CmsView cmsView = getCmsView((Control) widget);
- if (cmsView != null)
- cmsView.applyStyles(widget);
- }
- return widget;
- }
-
- /** Style widget */
- public static <T extends Widget> T style(T widget, CmsStyle style) {
- return style(widget, style.style());
- }
-
- /** Enable markups on widget */
- public static <T extends Widget> T markup(T widget) {
- EclipseUiSpecificUtils.setMarkupData(widget);
- return widget;
- }
-
- /** Disable markup validation. */
- public static <T extends Widget> T disableMarkupValidation(T widget) {
- EclipseUiSpecificUtils.setMarkupValidationDisabledData(widget);
- return widget;
- }
-
- /**
- * Apply markup and set text on {@link Label}, {@link Button}, {@link Text}.
- *
- * @param widget the widget to style and to use in order to display text
- * @param txt the object to display via its <code>toString()</code> method.
- * This argument should not be null, but if it is null and
- * assertions are disabled "<null>" is displayed instead; if
- * assertions are enabled the call will fail.
- *
- * @see markup
- */
- public static <T extends Widget> T text(T widget, Object txt) {
- assert txt != null;
- String str = txt != null ? txt.toString() : "<null>";
- markup(widget);
- if (widget instanceof Label)
- ((Label) widget).setText(str);
- else if (widget instanceof Button)
- ((Button) widget).setText(str);
- else if (widget instanceof Text)
- ((Text) widget).setText(str);
- else
- throw new IllegalArgumentException("Unsupported widget type " + widget.getClass());
- return widget;
- }
-
- /** A {@link Label} with markup activated. */
- public static Label lbl(Composite parent, Object txt) {
- return text(new Label(parent, SWT.NONE), txt);
- }
-
- /** A read-only {@link Text} whose content can be copy/pasted. */
- public static Text txt(Composite parent, Object txt) {
- return text(new Text(parent, SWT.NONE), txt);
- }
-
- /** Dispose all children of a Composite */
- public static void clear(Composite composite) {
- if (composite.isDisposed())
- return;
- for (Control child : composite.getChildren())
- child.dispose();
- }
-
- /** Clean reserved URL characters for use in HTTP links. */
- public static String cleanPathForUrl(String path) {
- StringTokenizer st = new StringTokenizer(path, "/");
- StringBuilder sb = new StringBuilder();
- while (st.hasMoreElements()) {
- sb.append('/');
- String encoded = URLEncoder.encode(st.nextToken(), StandardCharsets.UTF_8);
- encoded = encoded.replace("+", "%20");
- sb.append(encoded);
-
- }
- return sb.toString();
- }
-
- /** Singleton. */
- private CmsSwtUtils() {
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff