org.vectomatic.dom.svg.OMSVGPointList Maven / Gradle / Ivy
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/**********************************************
* Copyright (C) 2010 Lukas Laag
* This file is part of lib-gwt-svg.
*
* libgwtsvg is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libgwtsvg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libgwtsvg. If not, see http://www.gnu.org/licenses/
**********************************************/
/*
* Copyright (c) 2004 World Wide Web Consortium,
*
* (Massachusetts Institute of Technology, European Research Consortium for
* Informatics and Mathematics, Keio University). All Rights Reserved. This
* work is distributed under the W3C(r) Software License [1] in the hope that
* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
*/
package org.vectomatic.dom.svg;
import java.util.Iterator;
import com.google.gwt.core.client.JavaScriptException;
import com.google.gwt.core.client.JavaScriptObject;
/**
* This interface defines a list of SVGPoint objects.
{@link org.vectomatic.dom.svg.OMSVGPointList}
* has the same attributes and methods as other SVGxxxList interfaces. Implementers
* may consider using a single base class to implement the various SVGxxxList
* interfaces.
*/
public class OMSVGPointList implements Iterable {
private JavaScriptObject ot;
protected OMSVGPointList(JavaScriptObject ot) {
this.ot = ot;
}
// Implementation of the svg::SVGPointList W3C IDL interface
/**
* The number of items in the list.
*/
public final native int getNumberOfItems() /*-{
return [email protected]::ot.numberOfItems;
}-*/;
/**
* Clears all existing current items from the list, with the result being
* an empty list.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
*/
public final native void clear() throws JavaScriptException /*-{
[email protected]::ot.clear();
}-*/;
/**
* Clears all existing current items from the list and re-initializes the
* list to hold the single item specified by the parameter. If the inserted
* item is already in a list, it is removed from its previous list before
* it is inserted into this list. The inserted item is the item itself and
* not a copy.
* @param newItem The item which should become the only member of the list.
* @return The item being inserted into the list.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
*/
public final native OMSVGPoint initialize(OMSVGPoint newItem) throws JavaScriptException /*-{
return [email protected]::ot.initialize(newItem);
}-*/;
/**
* Returns the specified item from the list. The returned item is the item
* itself and not a copy. Any changes made to the item are immediately reflected
* in the list.
* @param index The index of the item from the list which is to be returned.
* The first item is number 0.
* @return The selected item.
* @throws DOMException(INDEX_SIZE_ERR) Raised if the index number is greater
* than or equal to {@link org.vectomatic.dom.svg.OMSVGPointList#getNumberOfItems()}.
*/
public final native OMSVGPoint getItem(int index) throws JavaScriptException /*-{
return [email protected]::ot.getItem(index);
}-*/;
/**
* Inserts a new item into the list at the specified position. The first item
* is number 0. If newItem is already in a list, it is removed
* from its previous list before it is inserted into this list. The inserted
* item is the item itself and not a copy. If the item is already in this
* list, note that the index of the item to insert before is before
* the removal of the item.
* @param newItem The item which is to be inserted into the list.
* @param index The index of the item before which the new item is to be
* inserted. The first item is number 0. If the index is equal to 0, then
* the new item is inserted at the front of the list. If the index is greater
* than or equal to {@link org.vectomatic.dom.svg.OMSVGPointList#getNumberOfItems()},
* then the new item is appended to the end of the list.
* @return The inserted item.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
*/
public final native OMSVGPoint insertItemBefore(OMSVGPoint newItem, int index) throws JavaScriptException /*-{
return [email protected]::ot.insertItemBefore(newItem, index);
}-*/;
/**
* Replaces an existing item in the list with a new item. If newItem
* is already in a list, it is removed from its previous list before it is
* inserted into this list. The inserted item is the item itself and not
* a copy. If the item is already in this list, note that the index of the
* item to replace is before the removal of the item.
* @param newItem The item which is to be inserted into the list.
* @param index The index of the item which is to be replaced. The first
* item is number 0.
* @return The inserted item.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
* @throws DOMException(INDEX_SIZE_ERR) Raised if the index number is greater
* than or equal to {@link org.vectomatic.dom.svg.OMSVGPointList#getNumberOfItems()}.
*/
public final native OMSVGPoint replaceItem(OMSVGPoint newItem, int index) throws JavaScriptException /*-{
return [email protected]::ot.replaceItem(newItem, index);
}-*/;
/**
* Removes an existing item from the list.
* @param index The index of the item which is to be removed. The first
* item is number 0.
* @return The removed item.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
* @throws DOMException(INDEX_SIZE_ERR) Raised if the index number is greater
* than or equal to {@link org.vectomatic.dom.svg.OMSVGPointList#getNumberOfItems()}.
*/
public final native OMSVGPoint removeItem(int index) throws JavaScriptException /*-{
return [email protected]::ot.removeItem(index);
}-*/;
/**
* Inserts a new item at the end of the list. If newItem is already
* in a list, it is removed from its previous list before it is inserted into
* this list. The inserted item is the item itself and not a copy.
* @param newItem The item which is to be inserted. The first item is number
* 0.
* @return The inserted item.
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised when the list
* cannot be modified.
*/
public final native OMSVGPoint appendItem(OMSVGPoint newItem) throws JavaScriptException /*-{
return [email protected]::ot.appendItem(newItem);
}-*/;
/**
* Returns an iterator over the {@link org.vectomatic.dom.svg.OMSVGPoint}
* elements in this list in proper sequence.
*
* This implementation returns a straightforward implementation of the
* iterator interface, relying on the backing list's {@code getNumberOfItems()},
* and {@code getItem(int)} methods.
*
*
Note that the iterator returned by this method will throw an
* {@code UnsupportedOperationException} in response to its
* {@code remove} method.
*
* @return an iterator over the {@link org.vectomatic.dom.svg.OMSVGPoint}
* elements in this list in proper sequence
*/
@Override
public final Iterator iterator() {
return new Iterator() {
private int index;
@Override
public boolean hasNext() {
return index < getNumberOfItems();
}
@Override
public OMSVGPoint next() {
return getItem(index++);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}