Examples with UITree org.alfresco.web.ui.repo.component.UITree used on opensource projects

Example 1 with UITree

use of org.alfresco.web.ui.repo.component.UITree in project acs-community-packaging by Alfresco.

the class YahooTreeRenderer method encodeBegin.

@SuppressWarnings("unchecked")
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
    // get the root nodes
    UITree tree = (UITree) component;
    List<TreeNode> rootNodes = tree.getRootNodes();
    if (rootNodes != null && rootNodes.size() > 0) {
        ResponseWriter out = context.getResponseWriter();
        String treeContainerId = component.getClientId(context) + "Container";
        // write out the JavaScript specific to the Tree component,
        // make sure it's only done once
        Object present = context.getExternalContext().getRequestMap().get(TREE_SCRIPTS_WRITTEN);
        if (present == null) {
            String reqPath = context.getExternalContext().getRequestContextPath();
            out.write("<link rel=\"stylesheet\" href=\"");
            out.write(reqPath);
            out.write("/css/yahoo-tree.css\" type=\"text/css\">");
            out.write("<script type=\"text/javascript\" src=\"");
            out.write(reqPath);
            out.write("/scripts/ajax/yahoo/treeview/treeview-min.js\"></script>");
            out.write("<script type=\"text/javascript\" src=\"");
            out.write(reqPath);
            out.write("/scripts/ajax/yahoo-tree.js\"></script>");
            context.getExternalContext().getRequestMap().put(TREE_SCRIPTS_WRITTEN, Boolean.TRUE);
        }
        // output the div container for the tree
        out.write("<div id=\"");
        out.write(treeContainerId);
        out.write("\"></div>\n");
        // generate the startup
        out.write("<script type=\"text/javascript\">\n");
        out.write("var tree;\n");
        if (tree.getRetrieveChildrenUrl() != null) {
            out.write("setLoadDataUrl('");
            out.write(tree.getRetrieveChildrenUrl());
            out.write("');\n");
        }
        if (tree.getNodeCollapsedUrl() != null) {
            out.write("setCollapseUrl('");
            out.write(tree.getNodeCollapsedUrl());
            out.write("');\n");
        }
        if (tree.getNodeSelectedCallback() != null) {
            out.write("setNodeSelectedHandler('");
            out.write(tree.getNodeSelectedCallback());
            out.write("');\n");
        }
        out.write("function initTree() {\n");
        out.write("      tree = new YAHOO.widget.TreeView(\"");
        out.write(treeContainerId);
        out.write("\");\n");
        out.write("      var root = tree.getRoot();\n");
        if (tree.getNodeExpandedCallback() != null) {
            out.write("      tree.subscribe('expand', ");
            out.write(tree.getNodeExpandedCallback());
            out.write(");\n");
        }
        if (tree.getNodeCollapsedCallback() != null) {
            out.write("      tree.subscribe('collapse', ");
            out.write(tree.getNodeCollapsedCallback());
            out.write(");\n");
        }
        // generate script for each root node
        this.nodeCounter = 0;
        for (TreeNode node : rootNodes) {
            generateNode(node, out, null);
        }
        out.write("      tree.draw();\n");
        out.write("      tree.setDynamicLoad(loadDataForNode);\n}\n");
        out.write("YAHOO.util.Event.on(window, \"load\", window.initTree);");
        out.write("</script>\n");
    } else if (logger.isDebugEnabled()) {
        logger.debug("There weren't any nodes to render");
    }
}