support for multiple style names

svn changeset:2004/svn branch:trunk

src/com/itmill/toolkit/terminal/gwt/client/ApplicationConnection.java

@@ -387,6 +387,10 @@ public class ApplicationConnection implements EntryPoint, FocusListener {
 		component.setVisible(visible);
 		if (!visible)
 			return true;
+		
+		// add additional styles as css classes
+		if(uidl.hasAttribute("style"))
+			component.addStyleName(uidl.getStringAttribute("style"));
 
 		return false;
 	}

src/com/itmill/toolkit/terminal/gwt/client/ui/ICustomLayout.java

@@ -32,7 +32,7 @@ public class ICustomLayout extends ComplexPanel implements Paintable, Layout {
 	private HashMap widgetToCaptionWrapper = new HashMap();
 
 	/** Currently rendered style */
-	String currentStyle;
+	String currentTemplate;
 
 	/** Unexecuted scripts loaded from the template */
 	private String scripts = "";
@@ -115,16 +115,16 @@ public class ICustomLayout extends ComplexPanel implements Paintable, Layout {
 	private void updateHTML(UIDL uidl, ApplicationConnection client) {
 
 		// Update only if style has changed
-		String newStyle = uidl.getStringAttribute("style");
-		if (currentStyle != null && currentStyle.equals(newStyle))
+		String newTemplate = uidl.getStringAttribute("template");
+		if (currentTemplate != null && currentTemplate.equals(newTemplate))
 			return;
 
 		// Get the HTML-template from client
-		String template = client.getResource("layout/" + newStyle + ".html");
+		String template = client.getResource("layout/" + newTemplate + ".html");
 		if (template == null) {
-			template = "Layout file layout/" + newStyle + ".html is missing.";
+			template = "Layout file layout/" + newTemplate + ".html is missing.";
 		} else {
-			currentStyle = newStyle;
+			currentTemplate = newTemplate;
 		}
 
 		// Connect body of the template to DOM

src/com/itmill/toolkit/terminal/gwt/server/JsonPaintTarget.java

@@ -469,7 +469,7 @@ public class JsonPaintTarget implements PaintTarget {
 
 		tag.addAttribute("\"" + name + "\": \"" + escapeJSON(value) + "\"");
 
-		if (customLayoutArgumentsOpen && "style".equals(name))
+		if (customLayoutArgumentsOpen && "template".equals(name))
 			getPreCachedResources().add("layout/" + value + ".html");
 		
 		if(name.equals("locale"))

src/com/itmill/toolkit/ui/AbstractComponent.java

@@ -33,7 +33,9 @@ import com.itmill.toolkit.event.EventRouter;
 import com.itmill.toolkit.event.MethodEventSource;
 import com.itmill.toolkit.terminal.*;
 
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.Locale;
 import java.util.Map;
@@ -55,11 +57,11 @@ import java.lang.reflect.Method;
 public abstract class AbstractComponent implements Component, MethodEventSource {
 
 	/* Private members ************************************************* */
-
+	
 	/**
-	 * Look-and-feel style of the component.
+	 * Style names.
 	 */
-	private String style;
+	private ArrayList styles;
 
 	/**
 	 * Caption text.
@@ -159,7 +161,12 @@ public abstract class AbstractComponent implements Component, MethodEventSource
 	 * default documentation from implemented interface.
 	 */
 	public String getStyle() {
-		return this.style;
+		String s = "";
+		if(styles != null) {
+			for(Iterator it = styles.iterator();it.hasNext();)
+				s += " " + (String) it.next();
+		}
+		return s;
 	}
 
 	/*
@@ -167,10 +174,27 @@ public abstract class AbstractComponent implements Component, MethodEventSource
 	 * default documentation from implemented interface.
 	 */
 	public void setStyle(String style) {
-		this.style = style;
+		if(this.styles == null) {
+			styles = new ArrayList();
+		}
+		styles.clear();
+		styles.add(style);
 		requestRepaint();
 	}
-
+	
+	public void addStyleName(String style) {
+		if(this.styles == null) {
+			styles = new ArrayList();
+		}
+		if(! styles.contains(style))
+			this.styles.add(style);
+		requestRepaint();
+	}
+	
+	public void removeStyleName(String style) {
+		styles.remove(style);
+	}
+	
 	/*
 	 * Get's the component's caption. Don't add a JavaDoc comment here, we use
 	 * the default documentation from implemented interface.
@@ -516,7 +540,7 @@ public abstract class AbstractComponent implements Component, MethodEventSource
 	public final void paint(PaintTarget target) throws PaintException {
 
 		if (!target.startTag(this, this.getTag())) {
-			if (getStyle() != null && getStyle().length() > 0)
+			if (styles != null && styles.size() > 0)
 				target.addAttribute("style", getStyle());
 			if (isReadOnly())
 				target.addAttribute("readonly", true);

src/com/itmill/toolkit/ui/Component.java

@@ -51,21 +51,41 @@ import java.util.Locale;
 public interface Component extends Paintable, VariableOwner {
 
 	/**
-	 * Gets the look-and-feel style of the component.
-	 * 
+	 * Gets style for component. Multiple styles are joined with spaces.
+	 *
 	 * @return the component's styleValue of property style.
 	 */
 	public String getStyle();
 
 	/**
-	 * Sets the look-and-feel style of the component. This method will trigger a
+	 * Sets and replaces all previous style names of the component. This method will trigger a
 	 * {@link com.itmill.toolkit.terminal.Paintable.RepaintRequestEvent RepaintRequestEvent}.
 	 * 
 	 * @param style
 	 *            the new style of the component.
 	 */
 	public void setStyle(String style);
-
+	
+	/**
+	 * Adds style name to component. Handeling additional style names is terminal spesicif,
+	 * but in web browser enviroment they will most likely become CSS classes as given on server side.
+	 *
+	 * This method will trigger a
+	 * {@link com.itmill.toolkit.terminal.Paintable.RepaintRequestEvent RepaintRequestEvent}.
+	 * 
+	 * @param style
+	 * 			the new style to be added to the component
+	 */
+	public void addStyleName(String style);
+	
+	/**
+	 * Removes given style name from component.
+	 * 
+	 * @param style
+	 * 			the style to be removed
+	 */
+	public void removeStyleName(String style);
+	
 	/**
 	 * <p>
 	 * Tests if the component is enabled or not. All the variable change events

src/com/itmill/toolkit/ui/CustomComponent.java

@@ -519,4 +519,21 @@ public class CustomComponent implements Component {
 		this.componentType = componentType;
 	}
 
+	/**
+	 * Custom component does not implement custom styles by default.
+	 * 
+	 * @see com.itmill.toolkit.ui.Component#getStyle()
+	 */
+	public void addStyleName(String style) {
+	}
+
+	/**
+	 * Custom component does not implement custom styles by default.
+	 * 
+	 * @see com.itmill.toolkit.ui.Component#getStyle()
+	 */
+	public void removeStyleName(String style) {
+		
+	}
+
 }

src/com/itmill/toolkit/ui/CustomLayout.java

@@ -67,12 +67,14 @@ public class CustomLayout extends AbstractComponentContainer implements Layout {
 	 * Custom layout slots containing the components.
 	 */
 	private HashMap slots = new HashMap();
+	
+	private String templateName;
 
 	/**
-	 * Constructor for custom layout with given style.
+	 * Constructor for custom layout with given template name.
 	 */
-	public CustomLayout(String style) {
-		setStyle(style);
+	public CustomLayout(String template) {
+		templateName = template;
 	}
 
 	/**
@@ -172,6 +174,7 @@ public class CustomLayout extends AbstractComponentContainer implements Layout {
 	 */
 	public void paintContent(PaintTarget target) throws PaintException {
 
+		target.addAttribute("template", templateName);
 		// Adds all items in all the locations
 		for (Iterator i = slots.keySet().iterator(); i.hasNext();) {