Removes custom fonts from all the places they have been used

Goal is to promote a more bottom-up approach (adding styles only where
it is necessary, relying on the system defaults for the reamining
parts), and to use CSS theming/styling more extensively.

ummisco.gama.ui.experiment/src/ummisco/gama/ui/views/ErrorView.java

@@ -6,7 +6,7 @@
  * (c) 2007-2020 UMI 209 UMMISCO IRD/UPMC & Partners
  *
  * Visit https://github.com/gama-platform/gama for license information and developers contact.
- * 
+ *
  *
  **********************************************************************************************/
 package ummisco.gama.ui.views;
@@ -38,7 +38,6 @@
 import ummisco.gama.ui.controls.ParameterExpandItem;
 import ummisco.gama.ui.resources.GamaColors;
 import ummisco.gama.ui.resources.GamaColors.GamaUIColor;
-import ummisco.gama.ui.resources.GamaFonts;
 import ummisco.gama.ui.utils.PreferencesHelper;
 import ummisco.gama.ui.utils.WebHelper;
 import ummisco.gama.ui.utils.WorkbenchHelper;
@@ -73,7 +72,7 @@ public void ownCreatePartControl(final Composite view) {}
 	protected ParameterExpandItem createItem(final Composite parent, final GamaRuntimeException data,
 			final boolean expanded, final GamaUIColor color) {
 		createViewer(parent);
-		if (getViewer() == null) { return null; }
+		if (getViewer() == null) return null;
 		final ScrolledComposite control = createItemContentsFor(data);
 		ParameterExpandItem item;
 		if (expanded) {
@@ -98,7 +97,7 @@ protected ScrolledComposite createItemContentsFor(final GamaRuntimeException exc
 
 	private void createStackTrace(final ScrolledComposite compo, final GamaRuntimeException exception) {
 		final Table t = new Table(compo, SWT.H_SCROLL);
-		t.setFont(GamaFonts.getExpandfont());
+		// t.setFont(GamaFonts.getExpandfont());
 
 		t.addSelectionListener(new SelectionListener() {
 
@@ -154,11 +153,9 @@ public void resumeItem(final GamaRuntimeException obj) {}
 	public String getItemDisplayName(final GamaRuntimeException obj, final String previousName) {
 		final StringBuilder sb = new StringBuilder(300);
 		final String a = obj.getAgentSummary();
-		if (a != null) {
-			sb.append(a).append(" at ");
-		}
+		if (a != null) { sb.append(a).append(" at "); }
 		sb.append("cycle ").append(obj.getCycle()).append(ItemList.SEPARATION_CODE)
-		.append(obj.isWarning() ? ItemList.WARNING_CODE : ItemList.ERROR_CODE).append(obj.getMessage());
+				.append(obj.isWarning() ? ItemList.WARNING_CODE : ItemList.ERROR_CODE).append(obj.getMessage());
 		return sb.toString();
 	}
 
@@ -172,15 +169,13 @@ public List<GamaRuntimeException> getItems() {
 		final List<GamaRuntimeException> errors = new ArrayList<>();
 		final List<GamaRuntimeException> exceptions = getExceptionHandler().getCleanExceptions();
 		final int size = exceptions.size();
-		if (size == 0) { return errors; }
+		if (size == 0) return errors;
 		final int end = size;
 		int begin = end - numberOfDisplayedErrors;
 		begin = begin < 0 ? 0 : begin;
 		final List<GamaRuntimeException> except = new ArrayList<>(exceptions);
 		errors.addAll(except.subList(begin, end));
-		if (mostRecentFirst) {
-			Collections.reverse(errors);
-		}
+		if (mostRecentFirst) { Collections.reverse(errors); }
 		return errors;
 	}
 
@@ -201,7 +196,7 @@ public void reset() {
 
 	/**
 	 * Method handleMenu()
-	 * 
+	 *
 	 * @see msi.gama.common.interfaces.ItemList#handleMenu(java.lang.Object)
 	 */
 	@Override
@@ -216,7 +211,7 @@ public Map<String, Runnable> handleMenu(final GamaRuntimeException item, final i
 	}
 
 	private void reportError(final GamaRuntimeException item) {
-		//		final String data = item.getAllText();
+		// final String data = item.getAllText();
 		WebHelper.openPage("https://github.com/gama-platform/gama/issues/new");
 	}
 

ummisco.gama.ui.experiment/src/ummisco/gama/ui/views/inspectors/AgentInspectView.java

@@ -44,7 +44,6 @@
 import ummisco.gama.ui.experiment.parameters.AgentAttributesEditorsList;
 import ummisco.gama.ui.menus.AgentsMenu;
 import ummisco.gama.ui.resources.GamaColors.GamaUIColor;
-import ummisco.gama.ui.resources.GamaFonts;
 import ummisco.gama.ui.resources.IGamaColors;
 import ummisco.gama.ui.views.toolbar.IToolbarDecoratedView;
 
@@ -111,7 +110,7 @@ public Label createLeftLabel(final Composite parent, final String title, final S
 		d.minimumWidth = 70;
 		d.horizontalIndent = isSubParameter ? 30 : 0;
 		label.setLayoutData(d);
-		label.setFont(GamaFonts.getLabelfont());
+		// label.setFont(GamaFonts.getLabelfont());
 		label.setText(title);
 		label.setToolTipText(tooltip);
 		return label;
@@ -121,7 +120,7 @@ public Label createLeftLabel(final Composite parent, final String title, final S
 	protected Composite createItemContentsFor(final IAgent agent) {
 		final Composite attributes = super.createItemContentsFor(agent);
 		final Label l = createLeftLabel(attributes, "Actions", "", false);
-		l.setFont(GamaFonts.getExpandfont());
+		// l.setFont(GamaFonts.getExpandfont());
 		final Composite composite = new Composite(attributes, SWT.NONE);
 		composite.setBackground(attributes.getBackground());
 		final GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);