private Widget makeDropDownMenuButton(final String caption, final List<Widget> widgetList) {
final ButtonGroup buttonGroup = new ButtonGroup();
final Button dropdownButton = new Button(caption);
dropdownButton.setDataToggle(Toggle.DROPDOWN);
dropdownButton.setSize(ButtonSize.SMALL);
final DropDownMenu dropDownMenu = new DropDownMenu();
for (final Widget _item : widgetList) {
dropDownMenu.add(_item);
}
buttonGroup.add(dropdownButton);
buttonGroup.add(dropDownMenu);
return buttonGroup;
}
public void initButtonGroup() {
// // Button Groups List to contain all button groups//
buttonGroupList = new ArrayList<ButtonGroup>();
// Button Groups to encapsulate drop down buttons and menus
exchangeButtonGroup = new ButtonGroup();
ruleTypeButtonGroup = new ButtonGroup();
triggerButtonGroup = new ButtonGroup();
actionButtonGroup = new ButtonGroup();
// Drop down buttons
exchangeDropDownButton = new Button("Choose Exchange");
ruleTypeDropDownButton = new Button("Rule Type");
triggerDropDownButton = new Button("Choose Condition");
actionDropDownButton = new Button("Choose Action");
// Drop down menus
exchangeDropdownMenu = new DropDownMenu();
ruleTypeDropdownMenu = new DropDownMenu();
triggerDropdownMenu = new DropDownMenu();
actionDropdownMenu = new DropDownMenu();
exchangeDropDownButton.setType(ButtonType.INFO);
exchangeDropDownButton.setToggle(Toggle.DROPDOWN);
ruleTypeDropDownButton.setType(ButtonType.INFO);
ruleTypeDropDownButton.setToggle(Toggle.DROPDOWN);
triggerDropDownButton.setType(ButtonType.INFO);
triggerDropDownButton.setToggle(Toggle.DROPDOWN);
actionDropDownButton.setType(ButtonType.INFO);
actionDropDownButton.setToggle(Toggle.DROPDOWN);
// exchanges drop down list items //
final ListItem exlistItem1 = new ListItem();
final ListItem exlistItem2 = new ListItem();
// Rule type drop down list items //
final ListItem rtlistItem1 = new ListItem();
final ListItem rtlistItem2 = new ListItem();
final ListItem rtlistItem3 = new ListItem();
// trigger type list items
final ListItem trglistItem1 = new ListItem();
final ListItem trglistItem2 = new ListItem();
final ListItem trglistItem3 = new ListItem();
// Action list items
final ListItem actionlistItem1 = new ListItem();
final ListItem actionlistItem2 = new ListItem();
final ListItem actionlistItem3 = new ListItem();
// encapsulate list items into drop down menus
exchangeDropdownMenu.add(exlistItem1);
exchangeDropdownMenu.add(exlistItem2);
ruleTypeDropdownMenu.add(rtlistItem1);
ruleTypeDropdownMenu.add(rtlistItem2);
ruleTypeDropdownMenu.add(rtlistItem3);
triggerDropdownMenu.add(trglistItem1);
triggerDropdownMenu.add(trglistItem2);
triggerDropdownMenu.add(trglistItem3);
actionDropdownMenu.add(actionlistItem1);
actionDropdownMenu.add(actionlistItem2);
actionDropdownMenu.add(actionlistItem3);
exchangeButtonGroup.add(exchangeDropDownButton);
exchangeButtonGroup.add(exchangeDropdownMenu);
// init exchange list items //
exlistItem1.setText("MtGox");
exlistItem1.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
ruleTypeButtonGroup.add(ruleTypeDropDownButton);
ruleTypeButtonGroup.add(ruleTypeDropdownMenu);
exchangeDropDownButton.setText(exlistItem1.getText());
}
});
exlistItem2.setText("Bitstamp");
exlistItem2.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
ruleTypeButtonGroup.add(ruleTypeDropDownButton);
ruleTypeButtonGroup.add(ruleTypeDropdownMenu);
exchangeDropDownButton.setText(exlistItem2.getText());
}
});
// init rule type list items //
rtlistItem1.setText("Price Trigger");
rtlistItem1.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
ruleTypeDropDownButton.setText(rtlistItem1.getText());
triggerButtonGroup.add(triggerDropDownButton);
triggerButtonGroup.add(triggerDropdownMenu);
triggerDropDownButton.setText("Choose Condition");
trglistItem1.setText("Price Drops Below");
trglistItem2.setText("Price Rises Above");
triggerDropdownMenu.add(trglistItem2);
triggerDropdownMenu.remove(trglistItem3);
trglistItem3.setText("");
}
});
rtlistItem2.setText("Price Range Trigger");
rtlistItem2.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
ruleTypeDropDownButton.setText(rtlistItem2.getText());
triggerButtonGroup.add(triggerDropDownButton);
triggerButtonGroup.add(triggerDropdownMenu);
triggerDropDownButton.setText("Choose Condition");
trglistItem1.setText("Price is between");
triggerDropdownMenu.remove(trglistItem2);
triggerDropdownMenu.remove(trglistItem3);
trglistItem2.setText("");
trglistItem3.setText("");
}
});
rtlistItem3.setText("Trend Change Trigger");
rtlistItem3.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
ruleTypeDropDownButton.setText(rtlistItem3.getText());
triggerButtonGroup.add(triggerDropDownButton);
triggerButtonGroup.add(triggerDropdownMenu);
triggerDropDownButton.setText("Choose Condition");
trglistItem1.setText("Price begins to Drop");
trglistItem2.setText("Price begins to Rise");
triggerDropdownMenu.add(trglistItem2);
triggerDropdownMenu.remove(trglistItem3);
trglistItem3.setText("");
}
});
// init exchange list items (depending on rule type - so no initial text)
trglistItem1.setText("");
trglistItem1.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
actionButtonGroup.add(actionDropDownButton);
actionButtonGroup.add(actionDropdownMenu);
triggerDropDownButton.setText(trglistItem1.getText());
}
});
trglistItem2.setText("");
trglistItem2.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
if (!trglistItem2.getText().equals("")) {
triggerDropDownButton.setText(trglistItem2.getText());
actionButtonGroup.add(actionDropDownButton);
actionButtonGroup.add(actionDropdownMenu);
}
}
});
trglistItem3.setText("");
trglistItem3.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
if (!trglistItem3.getText().equals("")) {
triggerDropDownButton.setText(trglistItem3.getText());
actionButtonGroup.add(actionDropDownButton);
actionButtonGroup.add(actionDropdownMenu);
}
}
});
// init action list items //
actionlistItem1.setText("Buy");
actionlistItem1.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
actionDropDownButton.setText(actionlistItem1.getText());
}
});
actionlistItem2.setText("Sell");
actionlistItem2.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
actionDropDownButton.setText(actionlistItem2.getText());
}
});
actionlistItem3.setText("Alert Me");
actionlistItem3.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
actionDropDownButton.setText(actionlistItem3.getText());
}
});
buttonGroupList.add(exchangeButtonGroup);
buttonGroupList.add(ruleTypeButtonGroup);
buttonGroupList.add(triggerButtonGroup);
buttonGroupList.add(actionButtonGroup);
}