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Diffstat (limited to 'src/com/vaadin/ui/AbstractComponentContainer.java')
| -rw-r--r-- | src/com/vaadin/ui/AbstractComponentContainer.java | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/src/com/vaadin/ui/AbstractComponentContainer.java b/src/com/vaadin/ui/AbstractComponentContainer.java deleted file mode 100644 index bc27242bb8..0000000000 --- a/src/com/vaadin/ui/AbstractComponentContainer.java +++ /dev/null @@ -1,351 +0,0 @@ -/* -@VaadinApache2LicenseForJavaFiles@ - */ - -package com.vaadin.ui; - -import java.lang.reflect.Method; -import java.util.Collection; -import java.util.HashSet; -import java.util.Iterator; -import java.util.LinkedList; - -import com.vaadin.terminal.gwt.server.ComponentSizeValidator; - -/** - * Extension to {@link AbstractComponent} that defines the default - * implementation for the methods in {@link ComponentContainer}. Basic UI - * components that need to contain other components inherit this class to easily - * qualify as a component container. - * - * @author Vaadin Ltd - * @version - * @VERSION@ - * @since 3.0 - */ -@SuppressWarnings("serial") -public abstract class AbstractComponentContainer extends AbstractComponent - implements ComponentContainer { - - /** - * Constructs a new component container. - */ - public AbstractComponentContainer() { - super(); - } - - /** - * Removes all components from the container. This should probably be - * re-implemented in extending classes for a more powerful implementation. - */ - @Override - public void removeAllComponents() { - final LinkedList<Component> l = new LinkedList<Component>(); - - // Adds all components - for (final Iterator<Component> i = getComponentIterator(); i.hasNext();) { - l.add(i.next()); - } - - // Removes all component - for (final Iterator<Component> i = l.iterator(); i.hasNext();) { - removeComponent(i.next()); - } - } - - /* - * Moves all components from an another container into this container. Don't - * add a JavaDoc comment here, we use the default documentation from - * implemented interface. - */ - @Override - public void moveComponentsFrom(ComponentContainer source) { - final LinkedList<Component> components = new LinkedList<Component>(); - for (final Iterator<Component> i = source.getComponentIterator(); i - .hasNext();) { - components.add(i.next()); - } - - for (final Iterator<Component> i = components.iterator(); i.hasNext();) { - final Component c = i.next(); - source.removeComponent(c); - addComponent(c); - } - } - - /* Events */ - - private static final Method COMPONENT_ATTACHED_METHOD; - - private static final Method COMPONENT_DETACHED_METHOD; - - static { - try { - COMPONENT_ATTACHED_METHOD = ComponentAttachListener.class - .getDeclaredMethod("componentAttachedToContainer", - new Class[] { ComponentAttachEvent.class }); - COMPONENT_DETACHED_METHOD = ComponentDetachListener.class - .getDeclaredMethod("componentDetachedFromContainer", - new Class[] { ComponentDetachEvent.class }); - } catch (final java.lang.NoSuchMethodException e) { - // This should never happen - throw new java.lang.RuntimeException( - "Internal error finding methods in AbstractComponentContainer"); - } - } - - /* documented in interface */ - @Override - public void addListener(ComponentAttachListener listener) { - addListener(ComponentContainer.ComponentAttachEvent.class, listener, - COMPONENT_ATTACHED_METHOD); - } - - /* documented in interface */ - @Override - public void addListener(ComponentDetachListener listener) { - addListener(ComponentContainer.ComponentDetachEvent.class, listener, - COMPONENT_DETACHED_METHOD); - } - - /* documented in interface */ - @Override - public void removeListener(ComponentAttachListener listener) { - removeListener(ComponentContainer.ComponentAttachEvent.class, listener, - COMPONENT_ATTACHED_METHOD); - } - - /* documented in interface */ - @Override - public void removeListener(ComponentDetachListener listener) { - removeListener(ComponentContainer.ComponentDetachEvent.class, listener, - COMPONENT_DETACHED_METHOD); - } - - /** - * Fires the component attached event. This should be called by the - * addComponent methods after the component have been added to this - * container. - * - * @param component - * the component that has been added to this container. - */ - protected void fireComponentAttachEvent(Component component) { - fireEvent(new ComponentAttachEvent(this, component)); - } - - /** - * Fires the component detached event. This should be called by the - * removeComponent methods after the component have been removed from this - * container. - * - * @param component - * the component that has been removed from this container. - */ - protected void fireComponentDetachEvent(Component component) { - fireEvent(new ComponentDetachEvent(this, component)); - } - - /** - * This only implements the events and component parent calls. The extending - * classes must implement component list maintenance and call this method - * after component list maintenance. - * - * @see com.vaadin.ui.ComponentContainer#addComponent(Component) - */ - @Override - public void addComponent(Component c) { - if (c instanceof ComponentContainer) { - // Make sure we're not adding the component inside it's own content - for (Component parent = this; parent != null; parent = parent - .getParent()) { - if (parent == c) { - throw new IllegalArgumentException( - "Component cannot be added inside it's own content"); - } - } - } - - if (c.getParent() != null) { - // If the component already has a parent, try to remove it - ComponentContainer oldParent = (ComponentContainer) c.getParent(); - oldParent.removeComponent(c); - - } - - c.setParent(this); - fireComponentAttachEvent(c); - } - - /** - * This only implements the events and component parent calls. The extending - * classes must implement component list maintenance and call this method - * before component list maintenance. - * - * @see com.vaadin.ui.ComponentContainer#removeComponent(Component) - */ - @Override - public void removeComponent(Component c) { - if (c.getParent() == this) { - c.setParent(null); - fireComponentDetachEvent(c); - } - } - - @Override - public void setVisible(boolean visible) { - if (getState().isVisible() == visible) { - return; - } - - super.setVisible(visible); - // If the visibility state is toggled it might affect all children - // aswell, e.g. make container visible should make children visible if - // they were only hidden because the container was hidden. - requestRepaintAll(); - } - - @Override - public void setWidth(float width, Unit unit) { - /* - * child tree repaints may be needed, due to our fall back support for - * invalid relative sizes - */ - Collection<Component> dirtyChildren = null; - boolean childrenMayBecomeUndefined = false; - if (getWidth() == SIZE_UNDEFINED && width != SIZE_UNDEFINED) { - // children currently in invalid state may need repaint - dirtyChildren = getInvalidSizedChildren(false); - } else if ((width == SIZE_UNDEFINED && getWidth() != SIZE_UNDEFINED) - || (unit == Unit.PERCENTAGE - && getWidthUnits() != Unit.PERCENTAGE && !ComponentSizeValidator - .parentCanDefineWidth(this))) { - /* - * relative width children may get to invalid state if width becomes - * invalid. Width may also become invalid if units become percentage - * due to the fallback support - */ - childrenMayBecomeUndefined = true; - dirtyChildren = getInvalidSizedChildren(false); - } - super.setWidth(width, unit); - repaintChangedChildTrees(dirtyChildren, childrenMayBecomeUndefined, - false); - } - - private void repaintChangedChildTrees( - Collection<Component> invalidChildren, - boolean childrenMayBecomeUndefined, boolean vertical) { - if (childrenMayBecomeUndefined) { - Collection<Component> previouslyInvalidComponents = invalidChildren; - invalidChildren = getInvalidSizedChildren(vertical); - if (previouslyInvalidComponents != null && invalidChildren != null) { - for (Iterator<Component> iterator = invalidChildren.iterator(); iterator - .hasNext();) { - Component component = iterator.next(); - if (previouslyInvalidComponents.contains(component)) { - // still invalid don't repaint - iterator.remove(); - } - } - } - } else if (invalidChildren != null) { - Collection<Component> stillInvalidChildren = getInvalidSizedChildren(vertical); - if (stillInvalidChildren != null) { - for (Component component : stillInvalidChildren) { - // didn't become valid - invalidChildren.remove(component); - } - } - } - if (invalidChildren != null) { - repaintChildTrees(invalidChildren); - } - } - - private Collection<Component> getInvalidSizedChildren(final boolean vertical) { - HashSet<Component> components = null; - if (this instanceof Panel) { - Panel p = (Panel) this; - ComponentContainer content = p.getContent(); - boolean valid = vertical ? ComponentSizeValidator - .checkHeights(content) : ComponentSizeValidator - .checkWidths(content); - - if (!valid) { - components = new HashSet<Component>(1); - components.add(content); - } - } else { - for (Iterator<Component> componentIterator = getComponentIterator(); componentIterator - .hasNext();) { - Component component = componentIterator.next(); - boolean valid = vertical ? ComponentSizeValidator - .checkHeights(component) : ComponentSizeValidator - .checkWidths(component); - if (!valid) { - if (components == null) { - components = new HashSet<Component>(); - } - components.add(component); - } - } - } - return components; - } - - private void repaintChildTrees(Collection<Component> dirtyChildren) { - for (Component c : dirtyChildren) { - if (c instanceof ComponentContainer) { - ComponentContainer cc = (ComponentContainer) c; - cc.requestRepaintAll(); - } else { - c.requestRepaint(); - } - } - } - - @Override - public void setHeight(float height, Unit unit) { - /* - * child tree repaints may be needed, due to our fall back support for - * invalid relative sizes - */ - Collection<Component> dirtyChildren = null; - boolean childrenMayBecomeUndefined = false; - if (getHeight() == SIZE_UNDEFINED && height != SIZE_UNDEFINED) { - // children currently in invalid state may need repaint - dirtyChildren = getInvalidSizedChildren(true); - } else if ((height == SIZE_UNDEFINED && getHeight() != SIZE_UNDEFINED) - || (unit == Unit.PERCENTAGE - && getHeightUnits() != Unit.PERCENTAGE && !ComponentSizeValidator - .parentCanDefineHeight(this))) { - /* - * relative height children may get to invalid state if height - * becomes invalid. Height may also become invalid if units become - * percentage due to the fallback support. - */ - childrenMayBecomeUndefined = true; - dirtyChildren = getInvalidSizedChildren(true); - } - super.setHeight(height, unit); - repaintChangedChildTrees(dirtyChildren, childrenMayBecomeUndefined, - true); - } - - @Override - public Iterator<Component> iterator() { - return getComponentIterator(); - } - - /* - * (non-Javadoc) - * - * @see - * com.vaadin.ui.HasComponents#isComponentVisible(com.vaadin.ui.Component) - */ - @Override - public boolean isComponentVisible(Component childComponent) { - return true; - } -}
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