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index.zulzul<zk>
<window id="ruleModal" width="850px" height="500px" title="Rules"
closable="true" apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm')@init('pkg$.RuleModalVM',arg=arg)"
validationMessages="@id('vmsgs')">
<tree vflex="1">
<treechildren>
<treeitem>
<treerow>
<treecell>
<label value="@load(vm.rule.operator.name)" />
<a label="[ADD]" style="margin-right:5px;"
onClick="@command('addRule',rule=vm.rule)" />
<a label="[ADD GROUP]"
onClick="@command('addGroup',rule=vm.rule)" />
</treecell>
</treerow>
<treechildren
children="@load(vm.rule.ruleSet) @template(each.groupFlag ? 'branch' : 'leaf')">
<template name="branch" var="branch">
<treeitem>
<treerow>
<treecell>
<label
value="@load(branch.operator.name)" />
<a label="[ADD]"
style="margin-right:5px;"
onClick="@command('addRule',rule=branch)" />
<a label="[ADD GROUP]"
onClick="@command('addGroup',rule=branch)" />
<a label="[REMOVE GROUP]"
onClick="@command('removeRule',rule=branch)" />
</treecell>
</treerow>
<treechildren
children="@load(branch.ruleSet) @template(each.groupFlag ? 'branch' : 'leaf')"/>
</treeitem>
</template>
<template name="leaf" var="leaf">
<treeitem>
<treerow>
<treecell>
<label value="Leaf" />
<a label="[REMOVE]"
onClick="@command('removeRule',rule=leaf)" />
</treecell>
</treerow>
</treeitem>
</template>
</treechildren>
</treeitem>
</treechildren>
<treefoot>
<treefooter align="right">
<toolbarbutton image="~./img/tick.png"
onClick="@command('update')" label="Update" />
<toolbarbutton image="~./img/cross.png"
label="Close" onClick="ruleModal.detach();" />
</treefooter>
</treefoot>
</tree>
</window>
</zk>RuleModalVM.javajava
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import org.zkoss.bind.BindUtils;
import org.zkoss.bind.annotation.BindingParam;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.ContextParam;
import org.zkoss.bind.annotation.ContextType;
import org.zkoss.bind.annotation.Init;
import org.zkoss.zk.ui.Component;
import org.zkoss.zul.DefaultTreeModel;
import org.zkoss.zul.DefaultTreeNode;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.TreeNode;
public class RuleModalVM {
private Rule rule;
@SuppressWarnings("unchecked")
@Init
public void init(@BindingParam("arg") Map<String, Object> arg) {
Rule rule = null;
if (arg != null) {
if (arg.get("rule") != null) {
rule = (Rule) arg.get("rule");
}
}
if (rule == null) {
/*
* New Rule
*/
this.setRule(new Rule());
this.getRule().setGroupFlag(true);
this.getRule().setOperator(Operator.ALL);
this.getRule().setRuleSet(new LinkedHashSet<Rule>());
} else {
this.setRule(rule);
}
}
@Command
public void addRule(@BindingParam("rule") Rule parentRule) {
Rule rule = new Rule();
rule.setRule(parentRule);
rule.setGroupFlag(false);
if (parentRule.getRuleSet() == null) {
parentRule.setRuleSet(new LinkedHashSet<Rule>());
}
parentRule.getRuleSet().add(rule);
BindUtils.postNotifyChange(null, null, parentRule, "ruleSet");
}
@Command
public void addGroup(@BindingParam("rule") Rule parentRule) {
Rule rule = new Rule();
rule.setRule(parentRule);
rule.setGroupFlag(true);
if (parentRule.getRuleSet() == null) {
parentRule.setRuleSet(new LinkedHashSet<Rule>());
}
parentRule.getRuleSet().add(rule);
BindUtils.postNotifyChange(null, null, parentRule, "ruleSet");
}
@Command
public void removeRule(@BindingParam("rule") Rule rule) {
Rule parentRule = rule.getRule();
parentRule.getRuleSet().remove(rule);
BindUtils.postNotifyChange(null, null, parentRule, "ruleSet");
}
public Rule getRule() {
return rule;
}
public void setRule(Rule rule) {
this.rule = rule;
}
}
Rule.javajava
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Set;
import org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
public class Rule {
private Rule rule;
private Set<Rule> ruleSet;
private Operator operator;
private boolean groupFlag;
public Rule getRule() {
return rule;
}
public void setRule(Rule rule) {
this.rule = rule;
}
public Set<Rule> getRuleSet() {
return ruleSet;
}
public void setRuleSet(Set<Rule> ruleSet) {
this.ruleSet = ruleSet;
}
public Operator getOperator() {
if (this.operator == null) {
if (this.isGroupFlag()) {
this.setOperator(Operator.ALL);
} else {
this.setOperator(Operator.EQ);
}
}
return operator;
}
public void setOperator(Operator operator) {
this.operator = operator;
}
public boolean isGroupFlag() {
return groupFlag;
}
public void setGroupFlag(boolean groupFlag) {
this.groupFlag = groupFlag;
}
}
Operator.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
public enum Operator {
ANY("ANY"),
ALL("ALL"),
EQ("EQUAL TO"),
NE("NOT EQUAL TO"),
GT("GREATER THAN"),
GE("GREATER THAN OR EQUAL TO"),
LT("LESS THAN"),
LE("LESS THAN OR EQUAL TO");
private final String name;
private Operator(String name) {
this.name = name;
}
public String getName() {
return name;
}
}