Package org.richfaces.component.state

Examples of org.richfaces.component.state.TreeState

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      isLastElement = false;
      navigator.resetLastElement();
    }

    public void processAdvisors(FacesContext context, TreeRowKey rowKey) throws IOException {
      TreeState componentState = (TreeState) tree.getComponentState();
      TreeStateAdvisor stateAdvisor = (TreeStateAdvisor)tree.getStateAdvisor();

      if (null == stateAdvisor) {
        if (null == methodBindingAdvisor) {
          methodBindingAdvisor = new TreeStateAdvisor() {
            public Boolean adviseNodeOpened(UITree tree) {
              MethodBinding adviseNodeOpened = tree.getAdviseNodeOpened();
              if (null != adviseNodeOpened) {
                return (Boolean) adviseNodeOpened.invoke(FacesContext.getCurrentInstance(), new Object[] {tree});
              }
              return null;
            }

            public Boolean adviseNodeSelected(UITree tree) {
              MethodBinding adviseNodeSelected = tree.getAdviseNodeSelected();
              if (null != adviseNodeSelected) {
                return (Boolean) adviseNodeSelected.invoke(FacesContext.getCurrentInstance(), new Object [] {tree});
              }
              return null;
            }
          };
        }
        stateAdvisor = methodBindingAdvisor;
      }

      Boolean adviseOpened = stateAdvisor.adviseNodeOpened(tree);
      if (null != adviseOpened) {
        if (adviseOpened.booleanValue()) {
          if (!componentState.isExpanded(rowKey)) {
            componentState.expandNode(tree, rowKey);
          }
        }
        else {
          if (componentState.isExpanded(rowKey)) {
            componentState.collapseNode(tree, rowKey);
          }
        }
      }
      Boolean adviseSelected = stateAdvisor.adviseNodeSelected(tree);
      if (null != adviseSelected) {
        if (adviseSelected.booleanValue()) {
          if (!componentState.isSelected(rowKey)) {
            componentState.setSelected(rowKey);
          }
        }
        else {
          if (componentState.isSelected(rowKey)) {
            componentState.setSelected(null);
          }
        }
      }
    }
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    UITreeNode node = (UITreeNode) component;
    UITree tree = node.getUITree();
    TreeRowKey key = (TreeRowKey) tree.getRowKey();
    Map requestMap = context.getExternalContext().getRequestParameterMap();
    String id = node.getClientId(context);
    TreeState componentState = (TreeState) tree.getComponentState();

    String nodeExpandedId = id + NODE_EXPANDED_INPUT_SUFFIX;
    Object nodeExpandedValue = requestMap.get(nodeExpandedId);
    if (nodeExpandedValue != null) {
      boolean nodeExpanded = Boolean.valueOf(nodeExpandedValue.toString()).booleanValue();
      if (tree.isExpanded() ^ nodeExpanded) {
        if (nodeExpanded) {
          new ExpandNodeCommandEvent(tree, key).queue();
        } else {
          new CollapseNodeCommandEvent(tree, key).queue();
        }

        if (Boolean.valueOf((String) requestMap.get(id + AJAX_EXPANDED_SUFFIX)).booleanValue()) {
          new AjaxExpandedEvent(node).queue();
          new AjaxExpandedEvent(tree).queue();
        } else {
          new NodeExpandedEvent(node).queue();
          new NodeExpandedEvent(tree).queue();
        }
      }
    }

    if (id.equals(tree.getAttributes()
        .get(UITree.SELECTION_INPUT_ATTRIBUTE))) {
      if (!componentState.isSelected(key)) {

        if (tree.getAttributes().get(
            UITree.SELECTED_NODE_PARAMETER_NAME) == null) {

          new NodeSelectedEvent(tree, componentState.getSelectedNode()).queue();
          new NodeSelectedEvent(node, componentState.getSelectedNode()).queue();
        } else {
          new AjaxSelectedEvent(tree, componentState.getSelectedNode()).queue();
          new AjaxSelectedEvent(node, componentState.getSelectedNode()).queue();
        }
      }

      tree.getAttributes().remove(UITree.SELECTION_INPUT_ATTRIBUTE);
    }
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    UITreeNode node = (UITreeNode) component;
    UITree tree = node.getUITree();
    TreeRowKey key = (TreeRowKey) tree.getRowKey();
    Map requestMap = context.getExternalContext().getRequestParameterMap();
    String id = node.getClientId(context);
    TreeState componentState = (TreeState) tree.getComponentState();

    String nodeExpandedId = id + NODE_EXPANDED_INPUT_SUFFIX;
    Object nodeExpandedValue = requestMap.get(nodeExpandedId);
    if (nodeExpandedValue != null) {
      boolean nodeExpanded = Boolean.valueOf(nodeExpandedValue.toString()).booleanValue();
      if (tree.isExpanded() ^ nodeExpanded) {
        if (nodeExpanded) {
          new ExpandNodeCommandEvent(tree, key).queue();
        } else {
          new CollapseNodeCommandEvent(tree, key).queue();
        }

        if (Boolean.valueOf((String) requestMap.get(id + AJAX_EXPANDED_SUFFIX)).booleanValue()) {
          new AjaxExpandedEvent(node).queue();
          new AjaxExpandedEvent(tree).queue();
        } else {
          new NodeExpandedEvent(node).queue();
          new NodeExpandedEvent(tree).queue();
        }
      }
    }

    if (id.equals(tree.getAttributes()
        .get(UITree.SELECTION_INPUT_ATTRIBUTE))) {
      if (!componentState.isSelected(key)) {

        if (tree.getAttributes().get(
            UITree.SELECTED_NODE_PARAMETER_NAME) == null) {

          new NodeSelectedEvent(tree, componentState.getSelectedNode()).queue();
          new NodeSelectedEvent(node, componentState.getSelectedNode()).queue();
        } else {
          new AjaxSelectedEvent(tree, componentState.getSelectedNode()).queue();
          new AjaxSelectedEvent(node, componentState.getSelectedNode()).queue();
        }
      }

      tree.getAttributes().remove(UITree.SELECTION_INPUT_ATTRIBUTE);
    }
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    }
  }

  protected String getSelectionValue(FacesContext context, UITree tree) {
    String result = "";
    TreeState treeState = (TreeState) tree.getComponentState();
    TreeRowKey selectedNodeKey = treeState.getSelectedNode();
    if (selectedNodeKey != null) {
      Object rowKey = tree.getRowKey();
      try {
        tree.setRowKey(selectedNodeKey);
        if (tree.isRowAvailable()) {
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      isLastElement = false;
      navigator.resetLastElement();
    }

    public void processAdvisors(FacesContext context, TreeRowKey rowKey) throws IOException {
      TreeState state = (TreeState) tree.getComponentState();
      TreeStateAdvisor stateAdvisor = (TreeStateAdvisor)tree.getStateAdvisor();

      if (null == stateAdvisor) {
        if (null == methodBindingAdvisor) {
          methodBindingAdvisor = new TreeStateAdvisor() {
            public Boolean adviseNodeOpened(UITree tree) {
              MethodBinding adviseNodeOpened = tree.getAdviseNodeOpened();
              if (null != adviseNodeOpened) {
                return (Boolean) adviseNodeOpened.invoke(FacesContext.getCurrentInstance(), new Object[] {tree});
              }
              return null;
            }

            public Boolean adviseNodeSelected(UITree tree) {
              MethodBinding adviseNodeSelected = tree.getAdviseNodeSelected();
              if (null != adviseNodeSelected) {
                return (Boolean) adviseNodeSelected.invoke(FacesContext.getCurrentInstance(), new Object [] {tree});
              }
              return null;
            }
          };
        }
        stateAdvisor = methodBindingAdvisor;
      }

      Boolean adviseOpened = stateAdvisor.adviseNodeOpened(tree);
      if (null != adviseOpened) {
        if (adviseOpened.booleanValue()) {
          state.makeExpanded(rowKey);
        } else {
          state.makeCollapsed(rowKey);
        }
      }
     
      Boolean adviseSelected = stateAdvisor.adviseNodeSelected(tree);
      if (null != adviseSelected) {
        if (adviseSelected.booleanValue()) {
          if (!state.isSelected(rowKey)) {
            state.setSelected(rowKey);
          }
        }
        else {
          if (state.isSelected(rowKey)) {
            state.setSelected(null);
          }
        }
      }
    }
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    }
  }

  public String encodeSelectionStateInput(FacesContext context, UITree tree) throws IOException {
    String result = "";
    TreeState treeState = (TreeState) tree.getComponentState();
    TreeRowKey selectedNodeKey = treeState.getSelectedNode();
    if (selectedNodeKey != null) {
      Object rowKey = tree.getRowKey();
      try {
        tree.setRowKey(selectedNodeKey);
        if (tree.isRowAvailable()) {
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      isLastElement = false;
      navigator.resetLastElement();
    }

    public void processAdvisors(FacesContext context, TreeRowKey rowKey) throws IOException {
      TreeState componentState = (TreeState) tree.getComponentState();
      TreeStateAdvisor stateAdvisor = (TreeStateAdvisor)tree.getStateAdvisor();

      if (null == stateAdvisor) {
        if (null == methodBindingAdvisor) {
          methodBindingAdvisor = new TreeStateAdvisor() {
            public Boolean adviseNodeOpened(UITree tree) {
              MethodBinding adviseNodeOpened = tree.getAdviseNodeOpened();
              if (null != adviseNodeOpened) {
                return (Boolean) adviseNodeOpened.invoke(FacesContext.getCurrentInstance(), new Object[] {tree});
              }
              return null;
            }

            public Boolean adviseNodeSelected(UITree tree) {
              MethodBinding adviseNodeSelected = tree.getAdviseNodeSelected();
              if (null != adviseNodeSelected) {
                return (Boolean) adviseNodeSelected.invoke(FacesContext.getCurrentInstance(), new Object [] {tree});
              }
              return null;
            }
          };
        }
        stateAdvisor = methodBindingAdvisor;
      }

      Boolean adviseOpened = stateAdvisor.adviseNodeOpened(tree);
      if (null != adviseOpened) {
        if (adviseOpened.booleanValue()) {
          if (!componentState.isExpanded(rowKey)) {
            componentState.expandNode(tree, rowKey);
          }
        }
        else {
          if (componentState.isExpanded(rowKey)) {
            componentState.collapseNode(tree, rowKey);
          }
        }
      }
      Boolean adviseSelected = stateAdvisor.adviseNodeSelected(tree);
      if (null != adviseSelected) {
        if (adviseSelected.booleanValue()) {
          if (!componentState.isSelected(rowKey)) {
            componentState.setSelected(rowKey);
          }
        }
        else {
          if (componentState.isSelected(rowKey)) {
            componentState.setSelected(null);
          }
        }
      }
    }
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   */

  public void resetDataModel() {
    super.resetDataModel();

    TreeState state = (TreeState) getComponentState();
    // transfer nodes delayed to open to rendering queue
    state.transferQueuedNodes();
    // re-set stopInCollapsed to handle AJAX switch type change
    state.setStopInCollapsed(isStopInCollapsed());

    setExtendedDataModel(createDataModel(false));
  }
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    try {
      super.processDecodes(faces, null);

      if (null != getAttributes().get(SELECTION_INPUT_ATTRIBUTE)) {
        TreeState state = (TreeState) getComponentState();

        if (!state.isSelected(null)) {
          new NodeSelectedEvent(this, state.getSelectedNode()).queue();
        }
      }

    } finally {
      getAttributes().remove(SELECTION_INPUT_ATTRIBUTE);
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   * Returns whether current node is expanded
   *
   * @return <code>true</code> if node is expanded else <code>false</code>
   */
  public boolean isExpanded() {
    TreeState treeState = (TreeState) getComponentState();
    return treeState.isExpanded((TreeRowKey) this.getRowKey());
  }
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  • org.richfaces.component.TreeComponentTest
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  • org.richfaces.renderkit.NodeRendererBase
  • org.richfaces.renderkit.TreeRendererBase
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