public void updateTreeItems(TreeItem treeItem, List<FileWrapper> list) {
if (treeItem == null) treeItem = trtmRoot;
int index = 0, numberOfChildren = treeItem.getChildCount();
int newIndex = 0, numberOfNewChildren = list.size();
while (newIndex < numberOfNewChildren && index < numberOfChildren) {
FileWrapper fileWrapper = list.get(newIndex);
if (fileWrapper.getKind() != FileType.DIR) {
break;
}
TreeItem child = treeItem.getChild(index);
int diff = child.getText().compareTo(fileWrapper.getName());
if (diff < 0) {
treeItem.removeItem(child);
} else if (diff > 0) {
TreeItem trtmNewItem = new TreeItem();
treeItem.insertItem(index, trtmNewItem);
trtmNewItem.setText(fileWrapper.getName());
index++;
numberOfChildren++;
newIndex++;
presenter.getFiles(trtmNewItem, getPath(trtmNewItem));
} else {
index++;
newIndex++;
presenter.getFiles(child, getPath(child));
}
}
while (newIndex < numberOfNewChildren) {
FileWrapper fileWrapper = list.get(newIndex++);
if (fileWrapper.getKind() != FileType.DIR) {
break;
}
TreeItem trtmNewItem = new TreeItem();
treeItem.addItem(trtmNewItem);
trtmNewItem.setText(fileWrapper.getName());
presenter.getFiles(trtmNewItem, getPath(trtmNewItem));
}
while (index < numberOfChildren) {
treeItem.removeItem(treeItem.getChild(index));
numberOfChildren--;
}
}
public void sprayFileList(List<FileWrapper> list) {
checkBoxList.clear();
selectedFileSet.clear();
flowPanel.clear();
for (final FileWrapper fileWrapper : list) {
final FlowPanel tempFlowPanel = new FlowPanel();
flowPanel.add(tempFlowPanel);
tempFlowPanel.getElement().getStyle().setProperty("margin", 50, Unit.PX);
tempFlowPanel.getElement().getStyle().setProperty("textAlign", "center");
tempFlowPanel.getElement().getStyle().setProperty("verticalAlign", "top");
tempFlowPanel.getElement().getStyle().setProperty("display", "inline-block");
tempFlowPanel.sinkEvents(Event.ONDBLCLICK);
tempFlowPanel.sinkEvents(Event.ONCONTEXTMENU);
final CheckBox chckbxFileName = new CheckBox(fileWrapper.getName());
Image imgFileIcon;
switch (fileWrapper.getKind()) {
case DIR:
imgFileIcon = new Image("/img/folder.png");
tempFlowPanel.addHandler(
new DoubleClickHandler() {
public void onDoubleClick(DoubleClickEvent event) {
presenter.changeDirectory(fileWrapper.getPath());
}
},
DoubleClickEvent.getType());
tempFlowPanel.addHandler(
new ContextMenuHandler() {
public void onContextMenu(ContextMenuEvent event) {
event.preventDefault();
event.stopPropagation();
FileContextMenu fileContextMenu =
new FileContextMenu(
presenter,
ContextMenuType.DIRECTORY,
fileWrapper.getPath(),
selectedFileSet);
fileContextMenu.setPopupPosition(
event.getNativeEvent().getClientX(), event.getNativeEvent().getClientY());
fileContextMenu.show();
chckbxFileName.setValue(true, true);
}
},
ContextMenuEvent.getType());
break;
default:
imgFileIcon = new Image("/img/file.png");
tempFlowPanel.addHandler(
new DoubleClickHandler() {
public void onDoubleClick(DoubleClickEvent event) {
presenter.downloadFiles(selectedFileSet);
}
},
DoubleClickEvent.getType());
tempFlowPanel.addHandler(
new ContextMenuHandler() {
public void onContextMenu(ContextMenuEvent event) {
event.preventDefault();
event.stopPropagation();
FileContextMenu fileContextMenu =
new FileContextMenu(
presenter,
ContextMenuType.OTHERS,
fileWrapper.getPath(),
selectedFileSet);
fileContextMenu.setPopupPosition(
event.getNativeEvent().getClientX(), event.getNativeEvent().getClientY());
fileContextMenu.show();
chckbxFileName.setValue(true, true);
}
},
ContextMenuEvent.getType());
break;
}
tempFlowPanel.add(imgFileIcon);
imgFileIcon.setSize("128px", "128px");
imgFileIcon.getElement().getStyle().setProperty("display", "block");
checkBoxList.add(chckbxFileName);
tempFlowPanel.add(chckbxFileName);
chckbxFileName.addStyleName("iconName");
chckbxFileName.getElement().getStyle().setProperty("display", "block");
chckbxFileName.addClickHandler(clickHandlerStopPropagation);
chckbxFileName.addValueChangeHandler(
new ValueChangeHandler<Boolean>() {
public void onValueChange(ValueChangeEvent<Boolean> event) {
if (event.getValue()) {
tempFlowPanel.getElement().getStyle().setBackgroundColor("lightblue");
selectedFileSet.add(fileWrapper.getPath());
} else {
tempFlowPanel.getElement().getStyle().clearBackgroundColor();
selectedFileSet.remove(fileWrapper.getPath());
}
if (!mntmDeleteFile.isEnabled() && selectedFileSet.size() > 0) {
mntmDeleteFile.setEnabled(true);
} else if (selectedFileSet.size() == 0) {
mntmDeleteFile.setEnabled(false);
}
if (selectedFileSet.size() == 1
&& !mntmDownloadFile.isEnabled()
&& !mntmRenameFile.isEnabled()) {
mntmDownloadFile.setEnabled(true);
mntmRenameFile.setEnabled(true);
} else if (selectedFileSet.size() != 1
&& mntmDownloadFile.isEnabled()
&& mntmRenameFile.isEnabled()) {
mntmDownloadFile.setEnabled(false);
mntmRenameFile.setEnabled(false);
}
}
});
imgFileIcon.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
event.stopPropagation();
setAllCheckBoxFalse();
chckbxFileName.setValue(true, true);
}
});
imgFileIcon.addMouseOverHandler(
new MouseOverHandler() {
public void onMouseOver(MouseOverEvent event) {
if (!chckbxFileName.getValue())
tempFlowPanel.getElement().getStyle().setBackgroundColor("lightgray");
}
});
imgFileIcon.addMouseOutHandler(
new MouseOutHandler() {
public void onMouseOut(MouseOutEvent event) {
if (!chckbxFileName.getValue())
tempFlowPanel.getElement().getStyle().clearBackgroundColor();
}
});
}
}