jtulach@87: /**
jtulach@87:  * The MIT License (MIT)
jtulach@87:  *
jtulach@87:  * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jtulach@87:  *
jtulach@87:  * Permission is hereby granted, free of charge, to any person obtaining a copy
jtulach@87:  * of this software and associated documentation files (the "Software"), to deal
jtulach@87:  * in the Software without restriction, including without limitation the rights
jtulach@87:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jtulach@87:  * copies of the Software, and to permit persons to whom the Software is
jtulach@87:  * furnished to do so, subject to the following conditions:
jtulach@87:  *
jtulach@87:  * The above copyright notice and this permission notice shall be included in
jtulach@87:  * all copies or substantial portions of the Software.
jtulach@87:  *
jtulach@87:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jtulach@87:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jtulach@87:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jtulach@87:  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jtulach@87:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jtulach@87:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jtulach@87:  * THE SOFTWARE.
jtulach@87:  */
jtulach@87: package dew.demo.histogram;
jtulach@87: 
jtulach@87: import java.util.ArrayList;
jtulach@87: import java.util.List;
jtulach@87: import net.java.html.json.ComputedProperty;
jtulach@87: import net.java.html.json.Model;
jtulach@87: import net.java.html.json.Property;
jtulach@87: 
jtulach@87: /** Model annotation generates class Data with 
jtulach@87:  * one property for list of of numbers and read-only property
jtulach@87:  * for ten of bars.
jtulach@87:  */
jtulach@87: @Model(className = "Data", properties = {
jtulach@87:     @Property(name = "numbers", type = String.class)
jtulach@87: })
jtulach@87: final class DataModel {
jtulach@87:     @ComputedProperty static java.util.List<Bar> bars(String numbers) {
jtulach@87:         List<Bar> arr = new ArrayList<Bar>(10);
jtulach@87:         for (int i = 0; i < 10; i++) {
jtulach@87:             arr.add(new Bar(i, 0));
jtulach@87:         }
jtulach@87:         String[] words = numbers == null ? new String[0] : numbers.split(" ");
jtulach@87:         for (String word : words) {
jtulach@87:             try {
jtulach@87:                 double n = Double.parseDouble(word);
jtulach@87:                 if (n > 99) {
jtulach@87:                     n = 99;
jtulach@87:                 } else if (n <= 0) {
jtulach@87:                     n = 0;
jtulach@87:                 }
jtulach@87:                 Bar b = arr.get((int) (n / 10));
jtulach@87:                 b.setValue(b.getValue() + 1);
jtulach@87:             }catch (NumberFormatException ex) {
jtulach@87:                 // ignore
jtulach@87:             }
jtulach@87:         }
jtulach@87:         return arr;
jtulach@87:     }
jtulach@87: 
jtulach@87:     @Model(className = "Bar", properties = {
jtulach@87:         @Property(name = "index", type = int.class),
jtulach@87:         @Property(name = "value", type = int.class)
jtulach@87:     })
jtulach@87:     static class BarModel {
jtulach@87:         @ComputedProperty static String left(int index) {
jtulach@87:             return (index * 50 + 20) + "px";
jtulach@87:         }
jtulach@87:         
jtulach@87:         @ComputedProperty static String top(int value) {
jtulach@87:             return (199 - value * 20) + "px";
jtulach@87:         }
jtulach@87:         
jtulach@87:         @ComputedProperty static String height(int value) {
jtulach@87:             return 20 * value + "px";
jtulach@87:         }
jtulach@87:     }
jtulach@87: }