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index.zulzul<zk>
<div apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('pkg$.TestGroupModel')">
<grid id="demoGrid" height="400px"
model="@load(vm.foodModel)">
<columns menupopup="auto">
<column sort="auto(Name)" label="Name" width="150px"/>
<column sort="auto(TopNutrients)" label="Top Nutrients" hflex="1" />
<column sort="auto(DailyPercent)" label="% of Daily" hflex="1" align="center"/>
<column sort="auto(Calories)" label="Calories" hflex="1" align="center" />
<column sort="auto(Quantity)" label="Quantity" />
</columns>
<!-- template for group -->
<template name="model:group">
<group label="@load(each)" />
</template>
<!-- template for each element in model -->
<template name="model">
<row>
<label value="@load(each.name)" />
<label value="@load(each.topNutrients)" />
<label value="@load(each.dailyPercent)" />
<label value="@load(each.calories)" />
<label value="@load(each.quantity)" />
</row>
</template>
<!-- template for footer -->
<template name="model:groupfoot">
<groupfoot>
<cell colspan="5" style="text-align: right; padding-right: 15px">
<label value="@load(each)" style="font-weight:bold;" />
</cell>
</groupfoot>
</template>
</grid>
</div>
</zk>TestGroupModel.javajava
public class TestGroupModel {
private boolean showGroup = true;
public TestGroupingModel getFoodModel() {
return new TestGroupingModel(Data.getAllFoods(), new MyComparator(), this.showGroup);
}
}MyComparator.javajava
import java.io.Serializable;
import java.util.Comparator;
import org.zkoss.zul.GroupComparator;
public class MyComparator implements Comparator<Objeto>, GroupComparator<Objeto>, Serializable {
private static final long serialVersionUID = 1L;
public int compare(Objeto o1, Objeto o2) {
return o1.getCategory().compareTo(o2.getCategory().toString());
}
public int compareGroup(Objeto o1, Objeto o2) {
if(o1.getCategory().equals(o2.getCategory()))
return 0;
else
return 1;
}
}Data.javajavaimport java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class Data {
private static List<Objeto> foods = new ArrayList<Objeto>();
static {
foods.add(new Objeto("Vegetables", "Asparagus", "Vitamin K", 115, 43, "1 cup - 92 grams"));
foods.add(new Objeto("Vegetables", "Beets", "Folate", 33, 74, "1 cup - 170 grams"));
foods.add(new Objeto("Vegetables", "Bell peppers", "Vitamin C", 291, 24, "1 cup - 92 grams"));
foods.add(new Objeto("Vegetables", "Cauliflower", "Vitamin C", 92, 28, "1 cup - 124 grams"));
foods.add(new Objeto("Vegetables", "Eggplant", "Dietary Fiber", 10, 27, "1 cup - 99 grams"));
foods.add(new Objeto("Vegetables", "Onions", "Chromium", 21, 60, "1 cup - 160 grams"));
foods.add(new Objeto("Vegetables", "Potatoes", "Vitamin C", 26, 132, "1 cup - 122 grams"));
foods.add(new Objeto("Vegetables", "Spinach", "Vitamin K", 1110, 41, "1 cup - 180 grams"));
foods.add(new Objeto("Vegetables", "Tomatoes", "Vitamin C", 57, 37, "1 cup - 180 grams"));
foods.add(new Objeto("Seafood", "Salmon", "Tryptophan", 103, 261, "4 oz - 113.4 grams"));
foods.add(new Objeto("Seafood", "Shrimp", "Tryptophan", 103, 112, "4 oz - 113.4 grams"));
foods.add(new Objeto("Seafood", "Scallops", "Tryptophan", 81, 151, "4 oz - 113.4 grams"));
foods.add(new Objeto("Seafood", "Cod", "Tryptophan", 90, 119, "4 oz - 113.4 grams"));
foods.add(new Objeto("Fruits", "Apples", "Manganese", 33, 61, "1 cup - 160 grams"));
foods.add(new Objeto("Fruits", "Cantaloupe", "Vitamin C", 112, 56, "1 cup - 160 grams"));
foods.add(new Objeto("Fruits", "Grapes", "Manganese", 33, 61, "1 cup - 92 grams"));
foods.add(new Objeto("Fruits", "Pineapple", "Manganese", 128, 75, "1 cup - 155 grams"));
foods.add(new Objeto("Fruits", "Strawberries", "Vitamin C", 24, 48, "1 cup - 150 grams"));
foods.add(new Objeto("Fruits", "Watermelon", "Vitamin C", 24, 48, "1 cup - 152 grams"));
foods.add(new Objeto("Poultry & Lean Meats", "Beef, lean organic", "Tryptophan", 112, 240, "4 oz - 113.4 grams"));
foods.add(new Objeto("Poultry & Lean Meats", "Lamb", "Tryptophan", 109, 229, "4 oz - 113.4 grams"));
foods.add(new Objeto("Poultry & Lean Meats", "Chicken", "Tryptophan", 121, 223, "4 oz - 113.4 grams"));
foods.add(new Objeto("Poultry & Lean Meats", "Venison ", "Protein", 69, 179, "4 oz - 113.4 grams"));
foods.add(new Objeto("Grains", "Corn ", "Vatamin B1", 24, 177, "1 cup - 164 grams"));
foods.add(new Objeto("Grains", "Oats ", "Manganese", 69, 147, "1 cup - 234 grams"));
foods.add(new Objeto("Grains", "Barley ", "Dietary Fiber", 54, 270, "1 cup - 200 grams"));
}
public static List<Objeto> getAllFoods() {
return new ArrayList<Objeto>(foods);
}
public static Objeto[] getAllFoodsArray() {
return foods.toArray(new Objeto[foods.size()]);
}
/* // This Method only used in "Data Filter" Demo
public static List<Objeto> getFilterFoods(FoodFilter foodFilter) {
List<Food> somefoods = new ArrayList<Food>();
String cat = foodFilter.getCategory().toLowerCase();
String nm = foodFilter.getName().toLowerCase();
String nut = foodFilter.getNutrients().toLowerCase();
for (Iterator<Food> i = foods.iterator(); i.hasNext();) {
Food tmp = i.next();
if (tmp.getCategory().toLowerCase().contains(cat) &&
tmp.getName().toLowerCase().contains(nm) &&
tmp.getTopNutrients().toLowerCase().contains(nut)) {
somefoods.add(tmp);
}
}
return somefoods;
}*/
// This Method only used in "Header and footer" Demo
public static List<Objeto> getFoodsByCategory(String category) {
List<Objeto> somefoods = new ArrayList<Objeto>();
for (Iterator<Objeto> i = foods.iterator(); i.hasNext();) {
Objeto tmp = i.next();
if (tmp.getCategory().equalsIgnoreCase(category)){
somefoods.add(tmp);
}
}
return somefoods;
}
}TestGroupingModel.javajavaimport java.util.Comparator;
import java.util.List;
import org.zkoss.zul.GroupsModelArray;
public class TestGroupingModel extends GroupsModelArray<Objeto, String, String, Object> {
private static final long serialVersionUID = 1L;
private static final String footerString = "Total %d items";
private boolean showGroup;
public TestGroupingModel(List<Objeto> data, Comparator<Objeto> cmpr, boolean showGroup) {
super(data.toArray(new Objeto[0]), cmpr);
this.showGroup = showGroup;
}
protected String createGroupHead(Objeto[] groupdata, int index, int col) {
String ret = "";
if (groupdata.length > 0) {
ret = groupdata[0].getCategory();
}
return ret;
}
protected String createGroupFoot(Objeto[] groupdata, int index, int col) {
return String.format(footerString, groupdata.length);
}
public boolean hasGroupfoot(int groupIndex) {
boolean retBool = false;
if(showGroup) {
retBool = super.hasGroupfoot(groupIndex);
}
return retBool;
}
}Objeto.javajavaimport java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class Objeto {
private String category;
private String name;
private String topNutrients;
private Integer dailyPercent;
private Integer calories;
private String quantity;
public Objeto(String category, String name, String topNutrients,
Integer dailyPercent, Integer calories, String quantity) {
this.category = category;
this.name = name;
this.topNutrients = topNutrients;
this.dailyPercent = dailyPercent;
this.calories = calories;
this.quantity = quantity;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTopNutrients() {
return topNutrients;
}
public void setTopNutrients(String topNutrients) {
this.topNutrients = topNutrients;
}
public Integer getDailyPercent() {
return dailyPercent;
}
public void setDailyPercent(Integer dailyPercent) {
this.dailyPercent = dailyPercent;
}
public Integer getCalories() {
return calories;
}
public void setCalories(Integer calories) {
this.calories = calories;
}
public String getQuantity() {
return quantity;
}
public void setQuantity(String quantity) {
this.quantity = quantity;
}
}