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org.web4thejob.web.panel.DefaultCriterionPanel Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2013 Veniamin Isaias.
*
* This file is part of web4thejob.
*
* Web4thejob is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or any later version.
*
* Web4thejob is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with web4thejob. If not, see {
// ------------------------------ FIELDS ------------------------------
public static final L10nString L10N_LIST_HEADER_FIXED = new L10nString(DefaultCriterionPanel.class,
"list_header_fixed", "Fixed");
public static final L10nString L10N_LIST_HEADER_PROPERTY = new L10nString(DefaultCriterionPanel.class,
"list_header_property", "Property");
public static final L10nString L10N_LIST_HEADER_CONDITION = new L10nString(DefaultCriterionPanel.class,
"list_header_condition", "Condition");
public static final L10nString L10N_LIST_HEADER_VALUE = new L10nString(DefaultCriterionPanel.class,
"list_header_value", "Value");
public static final L10nString L10N_BUTTON_CLEAR = new L10nString(DefaultCriterionPanel.class, "button_clear",
"clear");
public static final L10nString L10N_BUTTON_REMOVE = new L10nString(DefaultCriterionPanel.class, "button_remove",
"remove");
public static final String ATTRIB_HEADER_FIXED = "fixed";
private static final String ATTRIB_CONDITION = "condition";
private static final String ATTRIB_CLEAR = "clear";
private static final String ATTRIB_REMOVE = "remove";
private static final String ATTRIB_VALUEBOX = "valuebox";
private static final String ATTRIB_CRITERION = "criterion";
private static final String ATTRIB_BEANID = "beanid";
private final Listbox listbox = new Listbox();
//private DataBinder dataBinder;
// --------------------------- CONSTRUCTORS ---------------------------
public DefaultCriterionPanel() {
ZkUtil.setParentOfChild((Component) base, listbox);
// listbox.setWidth("100%");
listbox.setVflex("true");
listbox.setSpan(true);
listbox.setModel(new ListModelList());
listbox.addEventListener(Events.ON_SELECT, this);
RenderElement renderElement;
RenderScheme renderScheme = ContextUtil.getBean(EntityFactory.class).buildRenderScheme(Criterion.class);
renderElement = renderScheme.addElement(ContextUtil.getMRS().getPropertyMetadata(Criterion.class,
Criterion.FLD_FLAT_PROPERTY));
renderElement.setFriendlyName(DefaultCriterionPanel.L10N_LIST_HEADER_PROPERTY.toString());
renderElement = renderScheme.addElement(ContextUtil.getMRS().getPropertyMetadata(Criterion.class,
Criterion.FLD_FLAT_CONDITION));
renderElement.setFriendlyName(L10N_LIST_HEADER_CONDITION.toString());
renderElement.setWidth("150px");
renderElement = renderScheme.addElement(ContextUtil.getMRS().getPropertyMetadata(Criterion.class,
Criterion.FLD_FLAT_VALUE));
renderElement.setFriendlyName(L10N_LIST_HEADER_VALUE.toString());
renderScheme.setPageSize(100);
ContextUtil.getBean(ListboxRenderer.class).arrangeForRenderScheme(listbox, renderScheme);
Listheader listheader = new Listheader();
listheader.setParent(listbox.getListhead());
listheader.setWidth("70px");
listbox.setItemRenderer(new MutableListRenderer());
}
// ------------------------ INTERFACE METHODS ------------------------
// --------------------- Interface CriterionPanel ---------------------
private void saveAll() {
for (Listitem item : listbox.getItems()) {
if (item.getAttribute(org.web4thejob.web.panel.Attributes.ATTRIB_DATA_BINDER) instanceof DataBinder) {
((DataBinder) item.getAttribute(org.web4thejob.web.panel.Attributes.ATTRIB_DATA_BINDER)).saveAll();
}
}
}
@Override
@SuppressWarnings("unchecked")
public List getCriteria() {
saveAll();
return (List) listbox.getModel();
}
@SuppressWarnings({"unchecked", "rawtypes"})
@Override
public void addCriterion(Criterion criterion) {
((ListModelList) listbox.getModel()).add(criterion);
}
@Override
public void clearAll() {
listbox.setModel(new ListModelList());
}
// --------------------- Interface EventListener ---------------------
@SuppressWarnings("rawtypes")
@Override
public void onEvent(Event event) throws Exception {
if (Events.ON_SELECT.equals(event.getName())) {
arrangeForState(PanelState.FOCUSED);
}
}
// --------------------- Interface ListitemRenderer ---------------------
@Override
public void processMessage(Message message) {
switch (message.getId()) {
case PATH_SELECTED:
if (hasTargetType() && message.getSender() instanceof TargetTypeAware) {
if (((TargetTypeAware) message.getSender()).hasTargetType()) {
if (((TargetTypeAware) message.getSender()).getTargetType().equals(getTargetType())) {
addCriterion(message.getArg(MessageArgEnum.ARG_ITEM, PathMetadata.class));
}
}
}
break;
default:
super.processMessage(message);
break;
}
}
// --------------------- Interface Panel ---------------------
@Override
public void render() {
super.render();
if (isInDesignMode() && getFixedHeader() == null) {
appendFixedHeader();
} else if (!isInDesignMode() && getFixedHeader() != null) {
removeFixedHeader();
}
}
// -------------------------- OTHER METHODS --------------------------
@SuppressWarnings({"unchecked", "rawtypes"})
private void addCriterion(PathMetadata pathMetadata) {
Criterion criterion = ContextUtil.getMRS().newInstance(Criterion.class);
criterion.setPropertyPath(pathMetadata);
((ListModelList) listbox.getModel()).add(criterion);
Clients.scrollIntoView(listbox.getItemAtIndex(listbox.getItemCount() - 1));
((ListModelList) listbox.getModel()).addToSelection(criterion);
arrangeForState(PanelState.FOCUSED);
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, this));
}
private void appendFixedHeader() {
saveAll();
ListModel listModel = listbox.getListModel();
listbox.setModel((ListModelList) null);
Listheader listheader = new Listheader(L10N_LIST_HEADER_FIXED.toString());
listheader.setHflex("min");
listheader.setAttribute(ATTRIB_HEADER_FIXED, true);
listbox.getListhead().insertBefore(listheader, listbox.getListhead().getFirstChild());
listbox.setModel(listModel);
}
@Override
protected void arrangeForNullTargetType() {
super.arrangeForNullTargetType();
listbox.setModel(new ListModelList(0));
arrangeForState(PanelState.UNDEFINED);
}
@Override
public Set getSupportedCommands() {
Set supported = new HashSet(super.getSupportedCommands());
supported.add(CommandEnum.CLEAR);
supported.add(CommandEnum.MOVE_UP);
supported.add(CommandEnum.MOVE_DOWN);
return Collections.unmodifiableSet(supported);
}
@Override
protected void arrangeForTargetType() {
registerCommand(ContextUtil.getDefaultCommand(CommandEnum.CLEAR, this));
registerCommand(ContextUtil.getDefaultCommand(CommandEnum.MOVE_UP, this));
registerCommand(ContextUtil.getDefaultCommand(CommandEnum.MOVE_DOWN, this));
arrangeForState(PanelState.READY);
}
private Listheader getFixedHeader() {
for (Object item : listbox.getListhead().getChildren()) {
if (((Listheader) item).hasAttribute(ATTRIB_HEADER_FIXED)) {
return (Listheader) item;
}
}
return null;
}
@Override
protected void processValidCommand(Command command) {
if (CommandEnum.CLEAR.equals(command.getId())) {
clear();
} else if (CommandEnum.MOVE_UP.equals(command.getId())) {
moveUp();
} else if (CommandEnum.MOVE_DOWN.equals(command.getId())) {
moveDown();
} else {
super.processValidCommand(command);
}
}
@SuppressWarnings("unchecked")
private void moveDown() {
final int index = listbox.getSelectedIndex();
if (index < 0 || index == listbox.getModel().getSize() - 1) {
return;
}
final Criterion item = (Criterion) listbox.getModel().getElementAt(index);
if (item.isFixed()) return;
((ListModelList) listbox.getModel()).remove(index);
((ListModelList) listbox.getModel()).add(index + 1, item);
listbox.setSelectedIndex(index + 1);
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, this));
}
@SuppressWarnings("unchecked")
private void moveUp() {
final int index = listbox.getSelectedIndex();
if (index <= 0 || listbox.getModel().getSize() == 1) {
return;
}
final Criterion item = (Criterion) listbox.getModel().getElementAt(index);
if (item.isFixed()) return;
((ListModelList) listbox.getModel()).remove(index);
((ListModelList) listbox.getModel()).add(index - 1, item);
listbox.setSelectedIndex(index - 1);
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, this));
}
@Override
public void clear() {
@SuppressWarnings({"rawtypes", "unchecked"}) ListModelList oldList = (ListModelList) listbox
.getModel();
ListModelList fixedOnlyList = new ListModelList();
if (oldList != null) {
saveAll();
for (Criterion item : oldList) {
if (item.isFixed()) {
fixedOnlyList.add(item);
}
}
}
listbox.setModel(fixedOnlyList);
arrangeForState(PanelState.READY);
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, this));
}
private void removeFixedHeader() {
saveAll();
ListModel listModel = listbox.getListModel();
listbox.setModel((ListModelList) null);
getFixedHeader().detach();
listbox.setModel(listModel);
}
private class MutableListRenderer implements ListitemRenderer, EventListener {
final private static int tooltipLimit = 30;
@Override
@SuppressWarnings("unchecked")
public void render(Listitem item, Criterion criterion, int index) throws Exception {
final boolean enforceFixed = getFixedHeader() == null;
Listcell listcell;
DataBinder dataBinder = new DataBinder();
item.setAttribute(org.web4thejob.web.panel.Attributes.ATTRIB_DATA_BINDER, dataBinder);
if (enforceFixed && criterion.isFixed()) {
listcell = new Listcell();
listcell.setParent(item);
PropertyBox propertyBox = new PropertyBox();
propertyBox.setParent(listcell);
propertyBox.setTooltipLimit(tooltipLimit);
propertyBox.setValue(criterion.getPropertyPath().getFriendlyName());
listcell = new Listcell();
listcell.setParent(item);
if (criterion.getCondition() != null) {
listcell.setLabel(criterion.getCondition().toString());
}
listcell = new Listcell();
listcell.setParent(item);
propertyBox = new PropertyBox();
propertyBox.setParent(listcell);
propertyBox.setTooltipLimit(tooltipLimit);
propertyBox.setValue(criterion.getValue());
listcell = new Listcell();
listcell.setParent(item);
} else {
final String beanid = "criterion_" + System.identityHashCode(criterion);
dataBinder.bindBean(beanid, criterion);
if (!enforceFixed) {
Checkbox checkbox = new Checkbox();
listcell = new Listcell();
listcell.setParent(item);
checkbox.setParent(listcell);
ZkUtil.addBinding(dataBinder, checkbox, beanid, Criterion.FLD_FIXED);
}
listcell = new Listcell();
listcell.setParent(item);
PropertyBox propertyBox = new PropertyBox();
propertyBox.setParent(listcell);
propertyBox.setTooltipLimit(tooltipLimit);
propertyBox.setValue(criterion.getPropertyPath().getFriendlyName());
listcell = new Listcell();
listcell.setParent(item);
Combobox conditionCombobox = new Combobox();
buildApplicableConditions(conditionCombobox, criterion.getPropertyPath().getLastStep());
conditionCombobox.setHflex("true");
conditionCombobox.setParent(listcell);
conditionCombobox.setAttribute(ATTRIB_CONDITION, true);
ZkUtil.addBinding(dataBinder, conditionCombobox, beanid, Criterion.FLD_CONDITION,
ComboItemConverter.class);
conditionCombobox.addEventListener(Events.ON_CHANGE, this);
if (conditionCombobox.getItemCount() > 0 && criterion.getCondition() == null) {
criterion.setCondition(getDefaultForType(criterion.getPropertyPath().getLastStep()));
}
//required in arrangeValueBoxForCondition()
conditionCombobox.setAttribute(ATTRIB_VALUEBOX, null);
conditionCombobox.setAttribute(ATTRIB_CRITERION, criterion);
conditionCombobox.setAttribute(org.web4thejob.web.panel.Attributes.ATTRIB_DATA_BINDER, dataBinder);
conditionCombobox.setAttribute(ATTRIB_BEANID, beanid);
listcell = new Listcell();
listcell.setParent(item);
arrangeValueBoxForCondition(listcell, conditionCombobox);
listcell = new Listcell();
listcell.setParent(item);
Hlayout hlayout = new Hlayout();
hlayout.setParent(listcell);
hlayout.setSpacing("5px");
Toolbarbutton clear = new Toolbarbutton();
String image = CoreUtil.getCommandImage(CommandEnum.CLEAR, null);
if (image != null) {
clear.setImage(image);
} else {
clear.setLabel(L10N_BUTTON_CLEAR.toString());
}
clear.setTooltiptext(L10N_BUTTON_CLEAR.toString());
clear.setParent(hlayout);
clear.setAttribute(ATTRIB_CLEAR, item);
clear.addEventListener(Events.ON_CLICK, this);
Toolbarbutton remove = new Toolbarbutton();
image = CoreUtil.getCommandImage(CommandEnum.REMOVE, null);
if (image != null) {
remove.setImage(image);
} else {
remove.setLabel(L10N_BUTTON_REMOVE.toString());
}
remove.setTooltiptext(L10N_BUTTON_REMOVE.toString());
remove.setParent(hlayout);
remove.setAttribute(ATTRIB_REMOVE, item);
remove.addEventListener(Events.ON_CLICK, this);
dataBinder.loadAll();
}
}
private Condition getDefaultForType(PropertyMetadata propertyMetadata) {
if (propertyMetadata.isAnnotatedWith(ControllerHolder.class) || propertyMetadata.isAnnotatedWith
(EntityTypeHolder.class)) {
return Condition.EQ;
} else if (String.class.isAssignableFrom(propertyMetadata.getJavaType())) {
return Condition.SW;
} else if (Collection.class.isAssignableFrom(propertyMetadata.getJavaType())) {
return Condition.EX;
} else {
return Condition.EQ;
}
}
private void arrangeValueBoxForCondition(Component parent, Combobox combobox) {
HtmlBasedComponent valuebox = (HtmlBasedComponent) combobox.getAttribute(ATTRIB_VALUEBOX);
Criterion criterion = (Criterion) combobox.getAttribute(ATTRIB_CRITERION);
DataBinder dataBinder = (DataBinder) combobox.getAttribute(org.web4thejob.web.panel.Attributes
.ATTRIB_DATA_BINDER);
String beanid = (String) combobox.getAttribute(ATTRIB_BEANID);
if (parent == null) {
parent = valuebox.getParent();
}
Condition condition;
if (combobox.getSelectedIndex() >= 0) {
condition = (Condition) combobox.getSelectedItem().getValue();
} else {
condition = criterion.getCondition();
}
if (!ValueListBox.class.isInstance(valuebox) && (Condition.IN.equals(condition) || Condition.NIN.equals
(condition))) {
if (valuebox != null) {
valuebox.detach();
}
valuebox = new ValueListBox(criterion.getPropertyPath());
} else if (ValueListBox.class.isInstance(valuebox) && (!(Condition.IN.equals(condition) || Condition.NIN
.equals(condition)))) {
if (valuebox != null) {
valuebox.detach();
}
valuebox = (HtmlBasedComponent) ZkUtil.getEditableComponentForPropertyType(criterion.getPropertyPath());
} else if (condition != null && valuebox == null) {
if (!Condition.IN.equals(criterion.getCondition()) && !Condition.NIN.equals(criterion.getCondition())) {
valuebox = (HtmlBasedComponent) ZkUtil.getEditableComponentForPropertyType(criterion
.getPropertyPath());
} else {
valuebox = new ValueListBox(criterion.getPropertyPath());
}
}
if (valuebox != null) {
valuebox.setParent(parent);
valuebox.setHflex("true");
valuebox.setVisible(condition != null && condition.getOperandsNo() > 0);
valuebox.addEventListener(Events.ON_CHANGE, this);
valuebox.addEventListener(Events.ON_CHANGING, this);
valuebox.addEventListener(Events.ON_CHECK, this);
ZkUtil.addBinding(dataBinder, valuebox, beanid, Criterion.FLD_VALUE);
if (valuebox instanceof AbstractBox) {
((AbstractBox) valuebox).setTooltipLimit(tooltipLimit);
((AbstractBox) valuebox).setHideClearLink(true);
}
}
combobox.setAttribute(ATTRIB_VALUEBOX, valuebox);
}
// --------------------- Interface MessageListener ---------------------
private void buildApplicableConditions(Combobox combobox, PropertyMetadata propertyMetadata) {
combobox.getItems().clear();
combobox.setReadonly(true);
for (Condition condition : Condition.getApplicableToType(propertyMetadata)) {
Comboitem item = new Comboitem(condition.toString());
item.setParent(combobox);
item.setValue(condition);
}
}
@Override
public void onEvent(Event event) throws Exception {
if (Events.ON_CHANGE.equals(event.getName()) && event.getTarget().hasAttribute(ATTRIB_CONDITION)) {
arrangeValueBoxForCondition(null, (Combobox) event.getTarget());
//it is not a good idea to treat value changes as query change
//dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, DefaultCriterionPanel.this));
} else if (Events.ON_CLICK.equals(event.getName())) {
if (event.getTarget().hasAttribute(ATTRIB_CLEAR)) {
Listitem item = (Listitem) event.getTarget().getAttribute(ATTRIB_CLEAR);
Criterion criterion = (Criterion) listbox.getModel().getElementAt(item.getIndex());
criterion.setValue(null);
((DataBinder) item.getAttribute(org.web4thejob.web.panel.Attributes.ATTRIB_DATA_BINDER)).loadAll();
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, DefaultCriterionPanel.this));
} else if (event.getTarget().hasAttribute(ATTRIB_REMOVE)) {
Listitem item = (Listitem) event.getTarget().getAttribute(ATTRIB_REMOVE);
((ListModelList) listbox.getModel()).remove(item.getIndex());
dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, DefaultCriterionPanel.this));
if (listbox.getModel().getSize() == 0) {
arrangeForState(PanelState.READY);
}
}
} else if (Events.ON_CHANGING.equals(event.getName()) || Events.ON_CHANGE.equals(event.getName()) ||
Events.ON_CHECK.equals(event.getName())) {
//it is not a good idea to treat value changes as query change
//dispatchMessage(ContextUtil.getMessage(MessageEnum.VALUE_CHANGED, DefaultCriterionPanel.this));
}
}
}
}
