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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* The MIT License
*
* Copyright (c) 2009-2019 PrimeTek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.model;
import java.io.Serializable;
import java.util.List;
public class CheckboxTreeNode implements TreeNode, Serializable {
public static final String DEFAULT_TYPE = "default";
private static final long serialVersionUID = 1L;
private String type;
private Object data;
private List children;
private TreeNode parent;
private boolean expanded;
private boolean selected;
private boolean selectable = true;
private boolean partialSelected;
private String rowKey;
public CheckboxTreeNode() {
this.type = DEFAULT_TYPE;
this.children = new CheckboxTreeNodeChildren(this);
}
public CheckboxTreeNode(Object data) {
this.type = DEFAULT_TYPE;
this.children = new CheckboxTreeNodeChildren(this);
this.data = data;
}
public CheckboxTreeNode(Object data, TreeNode parent) {
this.type = DEFAULT_TYPE;
this.data = data;
this.children = new CheckboxTreeNodeChildren(this);
if (parent != null) {
parent.getChildren().add(this);
}
}
public CheckboxTreeNode(String type, Object data, TreeNode parent) {
this.type = type;
this.data = data;
this.children = new CheckboxTreeNodeChildren(this);
if (parent != null) {
parent.getChildren().add(this);
}
}
@Override
public String getType() {
return type;
}
@Override
public void setType(String type) {
this.type = type;
}
@Override
public Object getData() {
return data;
}
public void setData(Object data) {
this.data = data;
}
@Override
public List getChildren() {
return children;
}
public void setChildren(List children) {
if (children instanceof CheckboxTreeNodeChildren) {
this.children = children;
}
else {
CheckboxTreeNodeChildren nodeChildren = new CheckboxTreeNodeChildren(this);
nodeChildren.addAll(children);
this.children = nodeChildren;
}
}
@Override
public TreeNode getParent() {
return parent;
}
@Override
public void setParent(TreeNode parent) {
this.parent = parent;
}
@Override
public void clearParent() {
this.parent = null;
}
@Override
public boolean isExpanded() {
return expanded;
}
@Override
public void setExpanded(boolean expanded) {
this.expanded = expanded;
}
@Override
public boolean isSelected() {
return this.selected;
}
public void setSelected(boolean value, boolean propagate) {
if (propagate) {
this.setSelected(value);
}
else {
this.selected = value;
}
}
@Override
public void setSelected(boolean value) {
this.selected = value;
this.partialSelected = false;
if (!isLeaf()) {
for (TreeNode child : children) {
((CheckboxTreeNode) child).propagateSelectionDown(value);
}
}
if (this.getParent() != null) {
((CheckboxTreeNode) this.getParent()).propagateSelectionUp();
}
}
protected void propagateSelectionDown(boolean value) {
this.selected = value;
this.partialSelected = false;
for (TreeNode child : children) {
((CheckboxTreeNode) child).propagateSelectionDown(value);
}
}
protected void propagateSelectionUp() {
boolean allChildrenSelected = true;
this.partialSelected = false;
for (int i = 0; i < this.getChildren().size(); i++) {
TreeNode childNode = this.getChildren().get(i);
boolean childSelected = childNode.isSelected();
boolean childPartialSelected = childNode.isPartialSelected();
allChildrenSelected = allChildrenSelected && childSelected;
this.partialSelected = this.partialSelected || childSelected || childPartialSelected;
}
this.selected = allChildrenSelected;
if (allChildrenSelected) {
this.setPartialSelected(false);
}
if (this.getParent() != null) {
((CheckboxTreeNode) this.getParent()).propagateSelectionUp();
}
}
@Override
public boolean isSelectable() {
return selectable;
}
@Override
public void setSelectable(boolean selectable) {
this.selectable = selectable;
}
@Override
public int getChildCount() {
return children.size();
}
@Override
public String getRowKey() {
return rowKey;
}
@Override
public void setRowKey(String rowKey) {
this.rowKey = rowKey;
}
@Override
public boolean isLeaf() {
if (children == null) {
return true;
}
return children.isEmpty();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((data == null) ? 0 : data.hashCode());
result = prime * result + ((rowKey == null) ? 0 : rowKey.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
CheckboxTreeNode other = (CheckboxTreeNode) obj;
if (data == null) {
if (other.getData() != null) {
return false;
}
}
else if (!data.equals(other.getData())) {
return false;
}
if (rowKey == null) {
if (other.rowKey != null) {
return false;
}
}
else if (!rowKey.equals(other.rowKey)) {
return false;
}
return true;
}
@Override
public String toString() {
if (data != null) {
return data.toString();
}
else {
return super.toString();
}
}
@Override
public boolean isPartialSelected() {
return partialSelected;
}
@Override
public void setPartialSelected(boolean value) {
this.partialSelected = value;
}
}