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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
-
- package com.vaadin.terminal.gwt.client;
-
- import com.google.gwt.user.client.ui.Widget;
-
- /**
- * An interface used by client-side widgets or paintable parts to receive
- * updates from the corresponding server-side components in the form of
- * {@link UIDL}.
- *
- * Updates can be sent back to the server using the
- * {@link ApplicationConnection#updateVariable()} methods.
- */
- public interface ComponentConnector extends ServerConnector {
-
- /*
- * (non-Javadoc)
- *
- * @see com.vaadin.terminal.gwt.client.VPaintable#getState()
- */
- public ComponentState getState();
-
- /**
- * Returns the widget for this {@link ComponentConnector}
- */
- public Widget getWidget();
-
- public LayoutManager getLayoutManager();
-
- /**
- * Returns <code>true</code> if the width of this paintable is currently
- * undefined. If the width is undefined, the actual width of the paintable
- * is defined by its contents.
- *
- * @return <code>true</code> if the width is undefined, else
- * <code>false</code>
- */
- public boolean isUndefinedWidth();
-
- /**
- * Returns <code>true</code> if the height of this paintable is currently
- * undefined. If the height is undefined, the actual height of the paintable
- * is defined by its contents.
- *
- * @return <code>true</code> if the height is undefined, else
- * <code>false</code>
- */
- public boolean isUndefinedHeight();
-
- /**
- * Returns <code>true</code> if the width of this paintable is currently
- * relative. If the width is relative, the actual width of the paintable is
- * a percentage of the size allocated to it by its parent.
- *
- * @return <code>true</code> if the width is undefined, else
- * <code>false</code>
- */
- public boolean isRelativeWidth();
-
- /**
- * Returns <code>true</code> if the height of this paintable is currently
- * relative. If the height is relative, the actual height of the paintable
- * is a percentage of the size allocated to it by its parent.
- *
- * @return <code>true</code> if the width is undefined, else
- * <code>false</code>
- */
- public boolean isRelativeHeight();
-
- /**
- * Returns the parent of this connector. Can be null for only the root
- * connector.
- *
- * @return The parent of this connector, as set by
- * {@link #setParent(ComponentContainerConnector)}.
- */
- public ComponentContainerConnector getParent();
-
- /**
- * Sets the parent for this connector. This method should only be called by
- * the framework to ensure that the connector hierarchy on the client side
- * and the server side are in sync.
- * <p>
- * Note that calling this method does not fire a
- * {@link ConnectorHierarchyChangeEvent}. The event is fired only when the
- * whole hierarchy has been updated.
- *
- * @param parent
- * The new parent of the connector
- */
- public void setParent(ComponentContainerConnector parent);
-
- /**
- * Checks if the connector is read only.
- *
- * @deprecated This belongs in AbstractFieldConnector, see #8514
- * @return true
- */
- @Deprecated
- public boolean isReadOnly();
-
- public boolean hasEventListener(String eventIdentifier);
-
- /**
- * Return true if parent handles caption, false if the paintable handles the
- * caption itself.
- *
- * <p>
- * This should always return true and all components should let the parent
- * handle the caption and use other attributes for internal texts in the
- * component
- * </p>
- *
- * @return true if caption handling is delegated to the parent, false if
- * parent should not be allowed to render caption
- */
- public boolean delegateCaptionHandling();
-
- }
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