*/
public class ITree extends FlowPanel implements Paintable {
- public static final String CLASSNAME = "i-tree";
-
- private Set selectedIds = new HashSet();
- private ApplicationConnection client;
- private String paintableId;
- private boolean selectable;
- private boolean isMultiselect;
-
- private HashMap keyToNode = new HashMap();
-
- /**
- * This map contains captions and icon urls for actions like: * "33_c" ->
- * "Edit" * "33_i" -> "http://dom.com/edit.png"
- */
- private HashMap actionMap = new HashMap();
-
- private boolean immediate;
-
- private boolean isNullSelectionAllowed = true;
-
- private boolean disabled = false;
-
- public ITree() {
- super();
- setStyleName(CLASSNAME);
- }
-
- private void updateActionMap(UIDL c) {
- Iterator it = c.getChildIterator();
- while (it.hasNext()) {
- UIDL action = (UIDL) it.next();
- String key = action.getStringAttribute("key");
- String caption = action.getStringAttribute("caption");
- actionMap.put(key + "_c", caption);
- if (action.hasAttribute("icon")) {
- // TODO need some uri handling ??
- actionMap.put(key + "_i", action.getStringAttribute("icon"));
- }
- }
-
- }
-
- public String getActionCaption(String actionKey) {
- return (String) actionMap.get(actionKey + "_c");
- }
-
- public String getActionIcon(String actionKey) {
- return (String) actionMap.get(actionKey + "_i");
- }
-
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- // Ensure correct implementation and let container manage caption
- if (client.updateComponent(this, uidl, true))
- return;
-
- this.client = client;
-
- if (uidl.hasAttribute("partialUpdate")) {
- handleUpdate(uidl);
- return;
- }
-
- this.paintableId = uidl.getId();
-
- this.immediate = uidl.hasAttribute("immediate");
-
- disabled = uidl.getBooleanAttribute("disabled");
-
- isNullSelectionAllowed = uidl.getBooleanAttribute("nullselect");
-
- clear();
- for (Iterator i = uidl.getChildIterator(); i.hasNext();) {
- UIDL childUidl = (UIDL) i.next();
- if ("actions".equals(childUidl.getTag())) {
- updateActionMap(childUidl);
- continue;
- }
- TreeNode childTree = new TreeNode();
- this.add(childTree);
- childTree.updateFromUIDL(childUidl, client);
- }
- String selectMode = uidl.getStringAttribute("selectmode");
- selectable = selectMode != null;
- isMultiselect = "multi".equals(selectMode);
-
- selectedIds = uidl.getStringArrayVariableAsSet("selected");
-
- }
-
- private void handleUpdate(UIDL uidl) {
- TreeNode rootNode = (TreeNode) keyToNode.get(uidl
- .getStringAttribute("rootKey"));
- if (rootNode != null) {
- if (!rootNode.getState()) {
- // expanding node happened server side
- rootNode.setState(true, false);
- }
- rootNode.renderChildNodes(uidl.getChildIterator());
- }
-
- }
-
- public void setSelected(TreeNode treeNode, boolean selected) {
- if (selected) {
- if (!isMultiselect) {
- while (selectedIds.size() > 0) {
- String id = (String) selectedIds.iterator().next();
- TreeNode oldSelection = (TreeNode) keyToNode.get(id);
- oldSelection.setSelected(false);
- selectedIds.remove(id);
- }
- }
- treeNode.setSelected(true);
- selectedIds.add(treeNode.key);
- } else {
- if (!isNullSelectionAllowed) {
- if (!isMultiselect || selectedIds.size() == 1)
- return;
- }
- selectedIds.remove(treeNode.key);
- treeNode.setSelected(false);
- }
- client.updateVariable(ITree.this.paintableId, "selected", selectedIds
- .toArray(), immediate);
- }
-
- public boolean isSelected(TreeNode treeNode) {
- return selectedIds.contains(treeNode.key);
- }
-
- protected class TreeNode extends SimplePanel implements ActionOwner {
-
- public static final String CLASSNAME = "i-tree-node";
-
- String key;
-
- private String[] actionKeys = null;
-
- private boolean childrenLoaded;
-
- private Element nodeCaptionDiv;
-
- protected Element nodeCaptionSpan;
-
- private FlowPanel childNodeContainer;
-
- private boolean open;
-
- public TreeNode() {
- constructDom();
- sinkEvents(Event.ONCLICK);
- setStyleName(CLASSNAME);
- }
-
- public void onBrowserEvent(Event event) {
- super.onBrowserEvent(event);
- if (disabled)
- return;
- Element target = DOM.eventGetTarget(event);
- if (DOM.compare(target, nodeCaptionSpan)) {
- // caption click = selection change
- toggleSelection();
- } else if (DOM.compare(getElement(), target)) {
- // state change
- toggleState();
- }
- }
-
- private void toggleSelection() {
- if (selectable)
- ITree.this.setSelected(this, !isSelected());
- }
-
- private void toggleState() {
- this.setState(!getState(), true);
- }
-
- protected void constructDom() {
- Element root = DOM.createDiv();
- nodeCaptionDiv = DOM.createDiv();
- DOM.setElementProperty(nodeCaptionDiv, "className", CLASSNAME
- + "-caption");
- nodeCaptionSpan = DOM.createSpan();
- DOM.appendChild(root, nodeCaptionDiv);
- DOM.appendChild(nodeCaptionDiv, nodeCaptionSpan);
- setElement(root);
-
- childNodeContainer = new FlowPanel();
- childNodeContainer.setStylePrimaryName(CLASSNAME + "-children");
- setWidget(childNodeContainer);
- }
-
- public void onDetach() {
- Util.removeContextMenuEvent(nodeCaptionSpan);
- super.onDetach();
- }
-
- public void onAttach() {
- attachContextMenuEvent(nodeCaptionSpan);
- super.onAttach();
- }
-
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- this.setText(uidl.getStringAttribute("caption"));
- key = uidl.getStringAttribute("key");
-
- keyToNode.put(key, this);
-
- if (uidl.hasAttribute("al"))
- actionKeys = uidl.getStringArrayAttribute("al");
-
- if (uidl.getTag().equals("node")) {
- if (uidl.getChidlCount() == 0) {
- childNodeContainer.setVisible(false);
- } else {
- renderChildNodes(uidl.getChildIterator());
- childrenLoaded = true;
- }
- } else {
- addStyleName(CLASSNAME + "-leaf");
- }
-
- if (uidl.getBooleanAttribute("expanded") && !getState()) {
- setState(true, false);
- }
-
- if (uidl.getBooleanAttribute("selected")) {
- setSelected(true);
- }
- }
-
- private void setState(boolean state, boolean notifyServer) {
- if (open == state)
- return;
- if (state) {
- if (!childrenLoaded && notifyServer) {
- client.updateVariable(paintableId, "requestChildTree",
- true, false);
- }
- if (notifyServer)
- client.updateVariable(paintableId, "expand",
- new String[] { key }, true);
- addStyleName(CLASSNAME + "-expanded");
- childNodeContainer.setVisible(true);
- } else {
- removeStyleName(CLASSNAME + "-expanded");
- childNodeContainer.setVisible(false);
- if (notifyServer)
- client.updateVariable(paintableId, "collapse",
- new String[] { key }, true);
- }
-
- open = state;
- }
-
- private boolean getState() {
- return open;
- }
-
- private void setText(String text) {
- DOM.setInnerText(nodeCaptionSpan, text);
- }
-
- private void renderChildNodes(Iterator i) {
- childNodeContainer.clear();
- childNodeContainer.setVisible(true);
- while (i.hasNext()) {
- UIDL childUidl = (UIDL) i.next();
- // actions are in bit weird place, don't mix them with children,
- // but current node's actions
- if ("actions".equals(childUidl.getTag())) {
- updateActionMap(childUidl);
- continue;
- }
- TreeNode childTree = new TreeNode();
- childNodeContainer.add(childTree);
- childTree.updateFromUIDL(childUidl, client);
- }
- childrenLoaded = true;
- }
-
- public boolean isChildrenLoaded() {
- return childrenLoaded;
- }
-
- public Action[] getActions() {
- if (actionKeys == null)
- return new Action[] {};
- Action[] actions = new Action[actionKeys.length];
- for (int i = 0; i < actions.length; i++) {
- String actionKey = actionKeys[i];
- TreeAction a = new TreeAction(this, String.valueOf(key),
- actionKey);
- a.setCaption(getActionCaption(actionKey));
- a.setIconUrl(getActionIcon(actionKey));
- actions[i] = a;
- }
- return actions;
- }
-
- public ApplicationConnection getClient() {
- return client;
- }
-
- public String getPaintableId() {
- return paintableId;
- }
-
- /**
- * Adds/removes IT Mill Toolkit spesific style name. This method ought
- * to be called only from Tree.
- *
- * @param selected
- */
- public void setSelected(boolean selected) {
- // add style name to caption dom structure only, not to subtree
- setStyleName(nodeCaptionDiv, "i-tree-node-selected", selected);
- }
-
- public boolean isSelected() {
- return ITree.this.isSelected(this);
- }
-
- public void showContextMenu(Event event) {
- if (actionKeys != null) {
- int left = DOM.eventGetClientX(event);
- int top = DOM.eventGetClientY(event);
- top += Window.getScrollTop();
- left += Window.getScrollLeft();
- client.getContextMenu().showAt(this, left, top);
- }
- DOM.eventCancelBubble(event, true);
- }
-
- private native void attachContextMenuEvent(Element el)
- /*-{
- var node = this;
- el.oncontextmenu = function(e) {
- if(!e)
- e = $wnd.event;
- node.@com.itmill.toolkit.terminal.gwt.client.ui.ITree.TreeNode::showContextMenu(Lcom/google/gwt/user/client/Event;)(e);
- return false;
- };
- }-*/;
-
- }
+ public static final String CLASSNAME = "i-tree";
+
+ private Set selectedIds = new HashSet();
+ private ApplicationConnection client;
+ private String paintableId;
+ private boolean selectable;
+ private boolean isMultiselect;
+
+ private HashMap keyToNode = new HashMap();
+
+ /**
+ * This map contains captions and icon urls for actions like: * "33_c" ->
+ * "Edit" * "33_i" -> "http://dom.com/edit.png"
+ */
+ private HashMap actionMap = new HashMap();
+
+ private boolean immediate;
+
+ private boolean isNullSelectionAllowed = true;
+
+ private boolean disabled = false;
+
+ public ITree() {
+ super();
+ setStyleName(CLASSNAME);
+ }
+
+ private void updateActionMap(UIDL c) {
+ Iterator it = c.getChildIterator();
+ while (it.hasNext()) {
+ UIDL action = (UIDL) it.next();
+ String key = action.getStringAttribute("key");
+ String caption = action.getStringAttribute("caption");
+ actionMap.put(key + "_c", caption);
+ if (action.hasAttribute("icon")) {
+ // TODO need some uri handling ??
+ actionMap.put(key + "_i", client.translateToolkitUri(action
+ .getStringAttribute("icon")));
+ }
+ }
+
+ }
+
+ public String getActionCaption(String actionKey) {
+ return (String) actionMap.get(actionKey + "_c");
+ }
+
+ public String getActionIcon(String actionKey) {
+ return (String) actionMap.get(actionKey + "_i");
+ }
+
+ public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
+ // Ensure correct implementation and let container manage caption
+ if (client.updateComponent(this, uidl, true)) {
+ return;
+ }
+
+ this.client = client;
+
+ if (uidl.hasAttribute("partialUpdate")) {
+ handleUpdate(uidl);
+ return;
+ }
+
+ paintableId = uidl.getId();
+
+ immediate = uidl.hasAttribute("immediate");
+
+ disabled = uidl.getBooleanAttribute("disabled");
+
+ isNullSelectionAllowed = uidl.getBooleanAttribute("nullselect");
+
+ clear();
+ for (Iterator i = uidl.getChildIterator(); i.hasNext();) {
+ UIDL childUidl = (UIDL) i.next();
+ if ("actions".equals(childUidl.getTag())) {
+ updateActionMap(childUidl);
+ continue;
+ }
+ TreeNode childTree = new TreeNode();
+ this.add(childTree);
+ childTree.updateFromUIDL(childUidl, client);
+ }
+ String selectMode = uidl.getStringAttribute("selectmode");
+ selectable = selectMode != null;
+ isMultiselect = "multi".equals(selectMode);
+
+ selectedIds = uidl.getStringArrayVariableAsSet("selected");
+
+ }
+
+ private void handleUpdate(UIDL uidl) {
+ TreeNode rootNode = (TreeNode) keyToNode.get(uidl
+ .getStringAttribute("rootKey"));
+ if (rootNode != null) {
+ if (!rootNode.getState()) {
+ // expanding node happened server side
+ rootNode.setState(true, false);
+ }
+ rootNode.renderChildNodes(uidl.getChildIterator());
+ }
+
+ }
+
+ public void setSelected(TreeNode treeNode, boolean selected) {
+ if (selected) {
+ if (!isMultiselect) {
+ while (selectedIds.size() > 0) {
+ String id = (String) selectedIds.iterator().next();
+ TreeNode oldSelection = (TreeNode) keyToNode.get(id);
+ oldSelection.setSelected(false);
+ selectedIds.remove(id);
+ }
+ }
+ treeNode.setSelected(true);
+ selectedIds.add(treeNode.key);
+ } else {
+ if (!isNullSelectionAllowed) {
+ if (!isMultiselect || selectedIds.size() == 1) {
+ return;
+ }
+ }
+ selectedIds.remove(treeNode.key);
+ treeNode.setSelected(false);
+ }
+ client.updateVariable(paintableId, "selected", selectedIds.toArray(),
+ immediate);
+ }
+
+ public boolean isSelected(TreeNode treeNode) {
+ return selectedIds.contains(treeNode.key);
+ }
+
+ protected class TreeNode extends SimplePanel implements ActionOwner {
+
+ public static final String CLASSNAME = "i-tree-node";
+
+ String key;
+
+ private String[] actionKeys = null;
+
+ private boolean childrenLoaded;
+
+ private Element nodeCaptionDiv;
+
+ protected Element nodeCaptionSpan;
+
+ private FlowPanel childNodeContainer;
+
+ private boolean open;
+
+ public TreeNode() {
+ constructDom();
+ sinkEvents(Event.ONCLICK);
+ setStyleName(CLASSNAME);
+ }
+
+ public void onBrowserEvent(Event event) {
+ super.onBrowserEvent(event);
+ if (disabled) {
+ return;
+ }
+ Element target = DOM.eventGetTarget(event);
+ if (DOM.compare(target, nodeCaptionSpan)) {
+ // caption click = selection change
+ toggleSelection();
+ } else if (DOM.compare(getElement(), target)) {
+ // state change
+ toggleState();
+ }
+ }
+
+ private void toggleSelection() {
+ if (selectable) {
+ ITree.this.setSelected(this, !isSelected());
+ }
+ }
+
+ private void toggleState() {
+ setState(!getState(), true);
+ }
+
+ protected void constructDom() {
+ Element root = DOM.createDiv();
+ nodeCaptionDiv = DOM.createDiv();
+ DOM.setElementProperty(nodeCaptionDiv, "className", CLASSNAME
+ + "-caption");
+ nodeCaptionSpan = DOM.createSpan();
+ DOM.appendChild(root, nodeCaptionDiv);
+ DOM.appendChild(nodeCaptionDiv, nodeCaptionSpan);
+ setElement(root);
+
+ childNodeContainer = new FlowPanel();
+ childNodeContainer.setStylePrimaryName(CLASSNAME + "-children");
+ setWidget(childNodeContainer);
+ }
+
+ public void onDetach() {
+ Util.removeContextMenuEvent(nodeCaptionSpan);
+ super.onDetach();
+ }
+
+ public void onAttach() {
+ attachContextMenuEvent(nodeCaptionSpan);
+ super.onAttach();
+ }
+
+ public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
+ setText(uidl.getStringAttribute("caption"));
+ key = uidl.getStringAttribute("key");
+
+ keyToNode.put(key, this);
+
+ if (uidl.hasAttribute("al")) {
+ actionKeys = uidl.getStringArrayAttribute("al");
+ }
+
+ if (uidl.getTag().equals("node")) {
+ if (uidl.getChidlCount() == 0) {
+ childNodeContainer.setVisible(false);
+ } else {
+ renderChildNodes(uidl.getChildIterator());
+ childrenLoaded = true;
+ }
+ } else {
+ addStyleName(CLASSNAME + "-leaf");
+ }
+
+ if (uidl.getBooleanAttribute("expanded") && !getState()) {
+ setState(true, false);
+ }
+
+ if (uidl.getBooleanAttribute("selected")) {
+ setSelected(true);
+ }
+ }
+
+ private void setState(boolean state, boolean notifyServer) {
+ if (open == state) {
+ return;
+ }
+ if (state) {
+ if (!childrenLoaded && notifyServer) {
+ client.updateVariable(paintableId, "requestChildTree",
+ true, false);
+ }
+ if (notifyServer) {
+ client.updateVariable(paintableId, "expand",
+ new String[] { key }, true);
+ }
+ addStyleName(CLASSNAME + "-expanded");
+ childNodeContainer.setVisible(true);
+ } else {
+ removeStyleName(CLASSNAME + "-expanded");
+ childNodeContainer.setVisible(false);
+ if (notifyServer) {
+ client.updateVariable(paintableId, "collapse",
+ new String[] { key }, true);
+ }
+ }
+
+ open = state;
+ }
+
+ private boolean getState() {
+ return open;
+ }
+
+ private void setText(String text) {
+ DOM.setInnerText(nodeCaptionSpan, text);
+ }
+
+ private void renderChildNodes(Iterator i) {
+ childNodeContainer.clear();
+ childNodeContainer.setVisible(true);
+ while (i.hasNext()) {
+ UIDL childUidl = (UIDL) i.next();
+ // actions are in bit weird place, don't mix them with children,
+ // but current node's actions
+ if ("actions".equals(childUidl.getTag())) {
+ updateActionMap(childUidl);
+ continue;
+ }
+ TreeNode childTree = new TreeNode();
+ childNodeContainer.add(childTree);
+ childTree.updateFromUIDL(childUidl, client);
+ }
+ childrenLoaded = true;
+ }
+
+ public boolean isChildrenLoaded() {
+ return childrenLoaded;
+ }
+
+ public Action[] getActions() {
+ if (actionKeys == null) {
+ return new Action[] {};
+ }
+ Action[] actions = new Action[actionKeys.length];
+ for (int i = 0; i < actions.length; i++) {
+ String actionKey = actionKeys[i];
+ TreeAction a = new TreeAction(this, String.valueOf(key),
+ actionKey);
+ a.setCaption(getActionCaption(actionKey));
+ a.setIconUrl(getActionIcon(actionKey));
+ actions[i] = a;
+ }
+ return actions;
+ }
+
+ public ApplicationConnection getClient() {
+ return client;
+ }
+
+ public String getPaintableId() {
+ return paintableId;
+ }
+
+ /**
+ * Adds/removes IT Mill Toolkit spesific style name. This method ought
+ * to be called only from Tree.
+ *
+ * @param selected
+ */
+ public void setSelected(boolean selected) {
+ // add style name to caption dom structure only, not to subtree
+ setStyleName(nodeCaptionDiv, "i-tree-node-selected", selected);
+ }
+
+ public boolean isSelected() {
+ return ITree.this.isSelected(this);
+ }
+
+ public void showContextMenu(Event event) {
+ if (actionKeys != null) {
+ int left = DOM.eventGetClientX(event);
+ int top = DOM.eventGetClientY(event);
+ top += Window.getScrollTop();
+ left += Window.getScrollLeft();
+ client.getContextMenu().showAt(this, left, top);
+ }
+ DOM.eventCancelBubble(event, true);
+ }
+
+ private native void attachContextMenuEvent(Element el)
+ /*-{
+ var node = this;
+ el.oncontextmenu = function(e) {
+ if(!e)
+ e = $wnd.event;
+ node.@com.itmill.toolkit.terminal.gwt.client.ui.ITree.TreeNode::showContextMenu(Lcom/google/gwt/user/client/Event;)(e);
+ return false;
+ };
+ }-*/;
+
+ }
}
projects / vaadin-framework.git / commitdiff