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package com.itmill.toolkit.demo.sampler.features.layouts;
import java.net.URL;
import com.itmill.toolkit.demo.sampler.ExampleUtil;
import com.itmill.toolkit.terminal.ExternalResource;
import com.itmill.toolkit.ui.AbstractSelect;
import com.itmill.toolkit.ui.Button;
import com.itmill.toolkit.ui.Label;
import com.itmill.toolkit.ui.SplitPanel;
import com.itmill.toolkit.ui.TabSheet;
import com.itmill.toolkit.ui.Tree;
import com.itmill.toolkit.ui.VerticalLayout;
import com.itmill.toolkit.ui.Window;
import com.itmill.toolkit.ui.Button.ClickEvent;
public class SplitPanelBasicExample extends VerticalLayout {
private URL nativeWindowURL = null;
private Button b1;
public SplitPanelBasicExample() {
setSpacing(true);
b1 = new Button("Open a new window with a SplitPanel", this,
"openButtonClick");
addComponent(b1);
}
public void openButtonClick(ClickEvent event) {
if (nativeWindowURL == null) {
getApplication().addWindow(createWindow());
}
getApplication().getMainWindow().open(
new ExternalResource(nativeWindowURL), "_blank");
}
/*
* Create new window which contains the layout obtained from
* createDemoLayout()
*/
private Window createWindow() {
// Create a new window for the SplitPanel
final Window w = new Window("SplitPanel Demo");
getApplication().addWindow(w);
w.setLayout(createDemoLayout());
nativeWindowURL = w.getURL();
return w;
}
/*
* Creates the actual Layout with two SplitPanels and some content
*/
private SplitPanel createDemoLayout() {
// Create a new SplitPanel
SplitPanel demoSP = new SplitPanel();
// Set orientation
demoSP.setOrientation(SplitPanel.ORIENTATION_HORIZONTAL);
// Set split position (from left edge) in pixels
demoSP.setSplitPosition(200, UNITS_PIXELS);
// Create an example tree component, set to full size
Tree t = new Tree("Hardware Inventory", ExampleUtil
.getHardwareContainer());
t.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME);
t.setItemCaptionMode(AbstractSelect.ITEM_CAPTION_MODE_PROPERTY);
t.setSizeFull();
// Add the Tree component to the SplitPanel
demoSP.addComponent(t);
// Create a second SplitPanel
SplitPanel subSP = new SplitPanel();
// Set orientation
subSP.setOrientation(SplitPanel.ORIENTATION_VERTICAL);
// Set split position in percentage
subSP.setSplitPosition(80);
// Set the split locked (= not resizeable)
subSP.setLocked(true);
// Create an example tabsheet component with some content
final TabSheet ts = new TabSheet();
final Label l1 = new Label(
"This window shows an example of a SplitPanel component."
+ " A second SplitPanel is inserted into the first one"
+ " to allow a split into three regions.");
final Label l2 = new Label(
"Try resizing the window (horizontally) and you will"
+ " notice that the leftmost region does not resize because"
+ " the split position is set in pixels."
+ " If you resize the window vertically you will see"
+ " how the split position ratio works.");
final Label l3 = new Label(
"You may resize the left and right regions by dragging the"
+ " vertical split handle left or right. Resizing the"
+ " upper and lower regions has been disabled.");
ts.addTab(l1);
ts.setTabCaption(l1, "SplitPanel demo");
ts.addTab(l2);
ts.setTabCaption(l2, "Resizing");
ts.addTab(l3);
ts.setTabCaption(l3, "Resizing the regions");
ts.setSizeFull();
// Add the components to the sub-SplitPanel
subSP.addComponent(ts);
subSP.addComponent(new Label("Comment area"));
// Add sub-SplitPanel to main SplitPanel
demoSP.addComponent(subSP);
return demoSP;
}
}
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