echopointng.ui.syncpeer.TreeTableCellPeer Maven / Gradle / Ivy
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/*
* This file is part of the Echo Point Project. This project is a collection
* of Components that have extended the Echo Web Application Framework.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package echopointng.ui.syncpeer;
import nextapp.echo2.app.Component;
import nextapp.echo2.app.Style;
import nextapp.echo2.webcontainer.ActionProcessor;
import nextapp.echo2.webcontainer.ContainerInstance;
import nextapp.echo2.webrender.output.CssStyle;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import echopointng.EPNG;
import echopointng.Tree;
import echopointng.tree.TreeModel;
import echopointng.tree.TreePath;
import echopointng.ui.resource.Resources;
import echopointng.ui.util.ImageManager;
import echopointng.ui.util.RenderingContext;
import echopointng.util.TokenizerKit;
/**
* TreeTableCellPeer is a peer for the scope hidden component
* TreeTable.TreeTableCell.
*
* Its purpose it to render an individual "row" of a Tree, with the intended
* parent a Table cell. Because it is scope hidden, it uses "named" properties
* to access its data.
*/
public class TreeTableCellPeer extends AbstractEchoPointPeer implements ActionProcessor {
/**
* @see nextapp.echo2.webcontainer.ActionProcessor#processAction(nextapp.echo2.webcontainer.ContainerInstance,
* nextapp.echo2.app.Component, org.w3c.dom.Element)
*/
public void processAction(ContainerInstance ci, Component component, Element actionElement) {
Tree tree = (Tree) component.getRenderProperty("tree");
TreeModel model = (TreeModel) tree.getRenderProperty(Tree.PROPERTY_MODEL);
if (model == null)
return;
String actionName = actionElement.getAttribute(ActionProcessor.ACTION_NAME);
String actionValue = actionElement.getAttribute(ActionProcessor.ACTION_VALUE);
// its a tree path
String[] paths = TokenizerKit.tokenize(actionValue, "[]");
Object[] nodes = new Object[paths.length];
for (int i = 0; i < paths.length; i++) {
if (i == 0) {
nodes[i] = model.getRoot();
} else {
nodes[i] = model.getNodeById(paths[i]);
}
}
TreePath nodePath = new TreePath(nodes);
ci.getUpdateManager().getClientUpdateManager().setComponentAction(component, actionName, nodePath);
}
/**
* @see echopointng.ui.syncpeer.AbstractEchoPointPeer#renderHtml(echopointng.ui.util.RenderingContext,
* org.w3c.dom.Node, nextapp.echo2.app.Component)
*/
public void renderHtml(RenderingContext rc, final Node parentNode, Component component) {
Tree tree = (Tree) rc.getRP("tree");
Style fallbackStyle = EPNG.getFallBackStyle(tree);
Object treeNode = rc.getRP("treeNode");
TreePath treeNodePath = (TreePath) rc.getRP("treeNodePath");
ImageManager imageManager = (ImageManager) retreiveRenderState(rc, component);
if (imageManager == null) {
imageManager = new ImageManager();
storeRenderState(rc, component,imageManager);
}
rc.addLibrary(Resources.EP_SCRIPT_SERVICE);
rc.addLibrary(TreePeer.TREE_SCRIPT_SERVICE);
final Component treeTableCell = component;
TreeRenderer.EventSupportCallBack callback = new TreeRenderer.EventSupportCallBack() {
/**
* @see echopointng.ui.syncpeer.TreeRenderer.EventSupportCallBack#onExpandoCell(nextapp.echo2.webrender.output.CssStyle,
* org.w3c.dom.Element, echopointng.Tree, java.lang.Object)
*/
public String onExpandoCell(RenderingContext rc, CssStyle cssStyle, Element cellElement, Tree tree, Object treeNode, TreePath treeNodePath) {
return addToggleEvents(rc, cssStyle, treeTableCell, tree, treeNode, treeNodePath);
}
/**
* @see echopointng.ui.syncpeer.TreeRenderer.EventSupportCallBack#onNodeComponentCell(nextapp.echo2.webrender.output.CssStyle,
* org.w3c.dom.Element, echopointng.Tree, java.lang.Object)
*/
public String onNodeComponentCell(RenderingContext rc, CssStyle cssStyle, Element cellElement, Tree tree, Object treeNode, TreePath treeNodePath) {
return null;
}
/**
* @see echopointng.ui.syncpeer.TreeRenderer.EventSupportCallBack#onNodeIconCell(nextapp.echo2.webrender.output.CssStyle,
* org.w3c.dom.Element, echopointng.Tree, java.lang.Object)
*/
public String onNodeIconCell(RenderingContext rc, CssStyle cssStyle, Element cellElement, Tree tree, Object treeNode, TreePath treeNodePath) {
return addSelectEvents(rc, cssStyle, treeTableCell, tree, treeNode, treeNodePath, "icon");
}
/**
* @see echopointng.ui.syncpeer.TreeRenderer.EventSupportCallBack#onNodeTextCell(nextapp.echo2.webrender.output.CssStyle,
* org.w3c.dom.Element, echopointng.Tree, java.lang.Object)
*/
public String onNodeTextCell(RenderingContext rc, CssStyle cssStyle, Element cellElement, Tree tree, Object treeNode, TreePath treeNodePath) {
return addSelectEvents(rc, cssStyle, treeTableCell, tree, treeNode, treeNodePath, "text");
}
/**
* @see echopointng.ui.syncpeer.TreeRenderer.EventSupportCallBack#onTreeRow(nextapp.echo2.webrender.output.CssStyle,
* org.w3c.dom.Element, echopointng.Tree)
*/
public void onTreeRow(RenderingContext rc, CssStyle cssStyle, Element treeElement, Tree tree, TreePath treeNodePath) {
treeElement.setAttribute("id", rc.getElementId());
parentNode.appendChild(treeElement);
}
};
TreeRenderer treeRenderer = new TreeRenderer(rc, callback, tree, fallbackStyle,imageManager);
treeRenderer.renderTreeRow(treeNode,treeNodePath);
}
private String addSelectEvents(RenderingContext rc, CssStyle cssStyle, Component component, Tree tree, Object treeNode, TreePath treeNodePath, String cellType) {
String eventElementId = createEventId(component, tree, cellType, "select", treeNode, treeNodePath);
if (component.isRenderEnabled()) {
cssStyle.setAttribute("cursor", "pointer");
rc.renderEventAdd("click", eventElementId, "EchoPointTree.EventProcessor.onNodeClick");
}
return eventElementId;
}
private String addToggleEvents(RenderingContext rc, CssStyle cssStyle, Component component, Tree tree, Object treeNode, TreePath treeNodePath) {
String eventElementId = createEventId(component, tree, "expando", "toggle", treeNode, treeNodePath);
if (component.isRenderEnabled()) {
cssStyle.setAttribute("cursor", "pointer");
rc.renderEventAdd("click", eventElementId, "EchoPointTree.EventProcessor.onNodeClick");
}
return eventElementId;
}
/**
* Creates a identifier to unique identify a node and its containing Tree.
*/
private String createEventId(Component component, Tree tree, String cellType, String baseAction, Object treeNode, TreePath treeNodePath) {
TreeModel model = (TreeModel) tree.getRenderProperty(Tree.PROPERTY_MODEL);
String pathId = TreeRenderer.createPathId(treeNodePath,model);
String treeId = "tree|" + ContainerInstance.getElementId(component) + '|' + cellType;
String eventElementId = treeId + '|' + baseAction + '|' + pathId;
return eventElementId;
}
}