-/*******************************************************************************\r
- * Copyright (c) 2007, 2012 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.browsing.ui.swt.widgets;\r
-\r
-import org.eclipse.mylyn.wikitext.core.parser.MarkupParser;\r
-import org.eclipse.swt.browser.Browser;\r
-import org.eclipse.swt.widgets.Composite;\r
-import org.eclipse.swt.widgets.Control;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.simantics.Simantics;\r
-import org.simantics.browsing.ui.common.ErrorLogger;\r
-import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;\r
-import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.db.management.ISessionContext;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.utils.datastructures.map.Tuple;\r
-import org.simantics.wiki.ui.SimanticsDialect;\r
-import org.simantics.wiki.ui.language.MediaWikiLanguage;\r
-\r
-public class WikiBrowser extends WidgetImpl {\r
-\r
- private ReadFactory<?, String> textFactory;\r
- private ReadFactory<?, Variable> variableFactory;\r
-\r
- private String text;\r
- private Variable variable;\r
-\r
- private final Display display;\r
- private final Browser browser;\r
-\r
- private Tuple lastAppliedParametrization;\r
-\r
- public WikiBrowser(Composite parent, WidgetSupport support, int style) {\r
- super(support);\r
- display = parent.getDisplay();\r
- browser = new Browser(parent, style);\r
- support.register(this);\r
- }\r
-\r
- public void setTextFactory(ReadFactory<?, String> textFactory) {\r
- this.textFactory = textFactory;\r
- }\r
-\r
- public void setVariableFactory(ReadFactory<?, Variable> variableFactory) {\r
- this.variableFactory = variableFactory;\r
- }\r
-\r
- public Browser getWidget() {\r
- return browser;\r
- }\r
-\r
- @Override\r
- public Control getControl() {\r
- return browser;\r
- }\r
-\r
- private void update() {\r
- // Prevent synchronization problems since multiple threads and context\r
- // switches are involved in this process\r
- String text = this.text;\r
- Variable variable = this.variable;\r
- System.out.println("update(" + text + ", " + variable + ")");\r
- if (text == null || variable == null || browser.isDisposed())\r
- return;\r
-\r
- display.asyncExec(new Runnable() {\r
-\r
- @Override\r
- public void run() {\r
- final String text = WikiBrowser.this.text;\r
- final Variable variable = WikiBrowser.this.variable;\r
- if (text == null || variable == null || browser.isDisposed()) {\r
- return;\r
- }\r
-\r
- Tuple checkParam = new Tuple(text, variable);\r
- if (checkParam.equals(lastAppliedParametrization))\r
- return;\r
- lastAppliedParametrization = checkParam;\r
-\r
- try {\r
- String markup = Simantics.getSession().syncRequest(new Read<String>() {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- return SimanticsDialect.INSTANCE.apply(graph, variable, text);\r
- }\r
- });\r
-\r
- MarkupParser markupParser = new MarkupParser();\r
- MediaWikiLanguage language = new MediaWikiLanguage();\r
- markupParser.setMarkupLanguage(language);\r
- final String htmlContent = markupParser.parseToHtml(markup);\r
- if (htmlContent == null)\r
- return;\r
-\r
- browser.setText(htmlContent);\r
-\r
- } catch (DatabaseException e) {\r
- ErrorLogger.defaultLogError(e);\r
- }\r
- }\r
- });\r
- }\r
-\r
- @Override\r
- public void setInput(ISessionContext context, Object input) {\r
-\r
- if(textFactory != null) {\r
- textFactory.listen(context, input, new Listener<String>() {\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- ErrorLogger.defaultLogError(t);\r
- }\r
-\r
- @Override\r
- public void execute(final String text) {\r
- WikiBrowser.this.text = text;\r
- update();\r
- }\r
-\r
- @Override\r
- public boolean isDisposed() {\r
- return browser.isDisposed();\r
- }\r
-\r
- });\r
- }\r
-\r
- if(variableFactory != null) {\r
- variableFactory.listen(context, input, new Listener<Variable>() {\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- ErrorLogger.defaultLogError(t);\r
- }\r
-\r
- @Override\r
- public void execute(final Variable variable) {\r
- WikiBrowser.this.variable = variable;\r
- update();\r
- }\r
-\r
- @Override\r
- public boolean isDisposed() {\r
- return browser.isDisposed();\r
- }\r
-\r
- });\r
-\r
- }\r
-\r
- }\r
-\r
- public boolean isDisposed() {\r
- return browser.isDisposed();\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2012 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.swt.widgets;
+
+import org.eclipse.mylyn.wikitext.parser.MarkupParser;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.simantics.Simantics;
+import org.simantics.browsing.ui.common.ErrorLogger;
+import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.db.procedure.Listener;
+import org.simantics.db.request.Read;
+import org.simantics.utils.datastructures.map.Tuple;
+import org.simantics.wiki.ui.SimanticsDialect;
+import org.simantics.wiki.ui.language.MediaWikiLanguage;
+
+public class WikiBrowser extends WidgetImpl {
+
+ private ReadFactory<?, String> textFactory;
+ private ReadFactory<?, Variable> variableFactory;
+
+ private String text;
+ private Variable variable;
+
+ private final Display display;
+ private final Browser browser;
+
+ private Tuple lastAppliedParametrization;
+
+ public WikiBrowser(Composite parent, WidgetSupport support, int style) {
+ super(support);
+ display = parent.getDisplay();
+ browser = new Browser(parent, style);
+ support.register(this);
+ }
+
+ public void setTextFactory(ReadFactory<?, String> textFactory) {
+ this.textFactory = textFactory;
+ }
+
+ public void setVariableFactory(ReadFactory<?, Variable> variableFactory) {
+ this.variableFactory = variableFactory;
+ }
+
+ public Browser getWidget() {
+ return browser;
+ }
+
+ @Override
+ public Control getControl() {
+ return browser;
+ }
+
+ private void update() {
+ // Prevent synchronization problems since multiple threads and context
+ // switches are involved in this process
+ String text = this.text;
+ Variable variable = this.variable;
+ System.out.println("update(" + text + ", " + variable + ")");
+ if (text == null || variable == null || browser.isDisposed())
+ return;
+
+ display.asyncExec(new Runnable() {
+
+ @Override
+ public void run() {
+ final String text = WikiBrowser.this.text;
+ final Variable variable = WikiBrowser.this.variable;
+ if (text == null || variable == null || browser.isDisposed()) {
+ return;
+ }
+
+ Tuple checkParam = new Tuple(text, variable);
+ if (checkParam.equals(lastAppliedParametrization))
+ return;
+ lastAppliedParametrization = checkParam;
+
+ try {
+ String markup = Simantics.getSession().syncRequest(new Read<String>() {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return SimanticsDialect.INSTANCE.apply(graph, variable, text);
+ }
+ });
+
+ MarkupParser markupParser = new MarkupParser();
+ MediaWikiLanguage language = new MediaWikiLanguage();
+ markupParser.setMarkupLanguage(language);
+ final String htmlContent = markupParser.parseToHtml(markup);
+ if (htmlContent == null)
+ return;
+
+ browser.setText(htmlContent);
+
+ } catch (DatabaseException e) {
+ ErrorLogger.defaultLogError(e);
+ }
+ }
+ });
+ }
+
+ @Override
+ public void setInput(ISessionContext context, Object input) {
+
+ if(textFactory != null) {
+ textFactory.listen(context, input, new Listener<String>() {
+
+ @Override
+ public void exception(Throwable t) {
+ ErrorLogger.defaultLogError(t);
+ }
+
+ @Override
+ public void execute(final String text) {
+ WikiBrowser.this.text = text;
+ update();
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return browser.isDisposed();
+ }
+
+ });
+ }
+
+ if(variableFactory != null) {
+ variableFactory.listen(context, input, new Listener<Variable>() {
+
+ @Override
+ public void exception(Throwable t) {
+ ErrorLogger.defaultLogError(t);
+ }
+
+ @Override
+ public void execute(final Variable variable) {
+ WikiBrowser.this.variable = variable;
+ update();
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return browser.isDisposed();
+ }
+
+ });
+
+ }
+
+ }
+
+ public boolean isDisposed() {
+ return browser.isDisposed();
+ }
+
+}
Code Review / simantics / platform.git / blobdiff