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cd joget/plugins/
~/joget/jw-community/5.0.0/wflow-plugin-archetype/create-plugin.sh org.joget.tutorial gantt_chart_menu 5.0.0

Define value for property 'version':  1.0-SNAPSHOT: : 5.0.0
[INFO] Using property: package = org.joget.tutorial
Confirm properties configuration:
groupId: org.joget.tutorial
artifactId: gantt_chart_menu
version: 5.0.0
package: org.joget.tutorial
Y: : y

package org.joget.tutorial;
 
import org.joget.apps.app.service.AppPluginUtil;
import org.joget.apps.userview.model.UserviewMenu;
 
public class GanttChartMenu extends UserviewMenu {
    
    private final static String MESSAGE_PATH = "messages/GanttChartMenu";
 
    public String getName() {
        return "Gantt Chart Menu";
    }
    public String getVersion() {
        return "5.0.0";
    }
    
    public String getClassName() {
        return getClass().getName();
    }
    
    public String getLabel() {
        //support i18n
        return AppPluginUtil.getMessage("org.joget.tutorial.GanttChartMenu.pluginLabel", getClassName(), MESSAGE_PATH);
    }
    
    public String getDescription() {
        //support i18n
        return AppPluginUtil.getMessage("org.joget.tutorial.GanttChartMenu.pluginDesc", getClassName(), MESSAGE_PATH);
    }
 
    public String getPropertyOptions() {
        return AppUtil.readPluginResource(getClassName(), "/properties/ganttChartMenu.json", null, true, MESSAGE_PATH);
    }
 
    @Override
    public String getCategory() {
        return "Marketplace";
    }
    @Override
    public String getIcon() {
        //sorry, i am reuse the icon of other plugin here
        return "/plugin/org.joget.apps.userview.lib.HtmlPage/images/grid_icon.gif";
    }
    
    @Override
    public boolean isHomePageSupported() {
        return true; // Can use as first page of the userview
    }
    
    @Override
    public String getDecoratedMenu() {
        return null; // using default
    }
 
    @Override
    public String getRenderPage() {
        throw new UnsupportedOperationException("Not supported yet."); 
    }
}

 [{
    title : '@@userview.ganttchart.config@@',
    properties : [{
        name : 'id',
        label : 'Id',
        type : 'hidden'
    },
    {
        name : 'customId',
        label : '@@userview.ganttchart.customId@@',
        type : 'textfield',
        regex_validation : '^[a-zA-Z0-9_]+$',
        validation_message : '@@userview.ganttchart.invalidId@@'
    },
    {
        name : 'label',
        label : '@@userview.ganttchart.label@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'title',
        label : '@@userview.ganttchart.title@@',
        type : 'textfield'
    },
    {
        name : 'binder',
        label : '@@userview.ganttchart.binder@@',
        type : 'elementselect',
        required : 'True',
        options_ajax : '[CONTEXT_PATH]/web/property/json/getElements?classname=org.joget.apps.datalist.model.DataListBinderDefault',
        url : '[CONTEXT_PATH]/web/property/json[APP_PATH]/getPropertyOptions'
    },
    {
        label : '@@userview.ganttchart.mapping@@',
        type : 'header'
    },
    {
        name : 'category',
        label : '@@userview.ganttchart.mapping.category@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'task',
        label : '@@userview.ganttchart.mapping.task@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'activity',
        label : '@@userview.ganttchart.mapping.activity@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'fromDate',
        label : '@@userview.ganttchart.mapping.fromDate@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'toDate',
        label : '@@userview.ganttchart.mapping.toDate@@',
        type : 'textfield',
        required : 'True'
    },
    {
        name : 'dateFormat',
        label : '@@userview.ganttchart.mapping.dateFormat@@',
        type : 'textfield',
        required : 'True',
        value : 'yyyy-MM-dd'
    },
    {
        name : 'taskId',
        label : '@@userview.ganttchart.mapping.taskId@@',
        type : 'textfield'
    },
    {
        name : 'cssClass',
        label : '@@userview.ganttchart.mapping.cssClass@@',
        type : 'textfield'
    }]
},
{
    title : '@@userview.ganttchart.advanced@@',
    properties : [
    {
        name : 'itemsPerPage',
        label : '@@userview.ganttchart.itemsPerPage@@',
        type : 'textfield',
        required : 'True',
        value : '20'
    },
    {
        name : 'navigate',
        label : '@@userview.ganttchart.navigate@@',
        type : 'selectbox',
        required : 'True',
        value : 'scroll',
        options : [{
            value : 'buttons',
            label : '@@userview.ganttchart.navigate.buttons@@'    
        },
        {
            value : 'scroll',
            label : '@@userview.ganttchart.navigate.scroll@@'    
        }]
    },
    {
        name : 'scale',
        label : '@@userview.ganttchart.scale@@',
        type : 'selectbox',
        required : 'True',
        value : 'days',
        options : [{
            value : 'hours',
            label : '@@userview.ganttchart.scale.hours@@'    
        },
        {
            value : 'days',
            label : '@@userview.ganttchart.scale.days@@'    
        },
        {
            value : 'weeks',
            label : '@@userview.ganttchart.scale.weeks@@'    
        },
        {
            value : 'months',
            label : '@@userview.ganttchart.scale.months@@'    
        }]
    },
    {
        name : 'maxScale',
        label : '@@userview.ganttchart.maxScale@@',
        type : 'selectbox',
        required : 'True',
        value : 'months',
        options : [{
            value : 'hours',
            label : '@@userview.ganttchart.scale.hours@@'    
        },
        {
            value : 'days',
            label : '@@userview.ganttchart.scale.days@@'    
        },
        {
            value : 'weeks',
            label : '@@userview.ganttchart.scale.weeks@@'    
        },
        {
            value : 'months',
            label : '@@userview.ganttchart.scale.months@@'    
        }]
    },
    {
        name : 'minScale',
            label : '@@userview.ganttchart.minScale@@',
        type : 'selectbox',
        required : 'True',
        value : 'hours',
        options : [{
            value : 'hours',
            label : '@@userview.ganttchart.scale.hours@@'    
        },
        {
            value : 'days',
            label : '@@userview.ganttchart.scale.days@@'    
        },
        {
            value : 'weeks',
            label : '@@userview.ganttchart.scale.weeks@@'    
        },
        {
            value : 'months',
            label : '@@userview.ganttchart.scale.months@@'    
        }]
    },
    {
        name : 'useCookie',
        label : '@@userview.ganttchart.useCookie@@',
        type : 'checkbox',
        options : [{
            value : 'true',
            label : ''    
        }]
    },
    {
        name : 'scrollToToday',
        label : '@@userview.ganttchart.scrollToToday@@',
        type : 'checkbox',
        options : [{
            value : 'true',
            label : ''    
        }]
    },
    {
        name : 'onItemClick',
        label : '@@userview.ganttchart.onItemClick@@',
        type : 'codeeditor',
        mode : 'javascript',
        value : '//console.log(data); //data obj hold all the columns value of a row'
    },
    {
        name : 'onAddClick',
        label : '@@userview.ganttchart.onAddClick@@',
        type : 'codeeditor',
        mode : 'javascript',
        value : '//console.log(datetime); //the DateTime in ms for the clicked Cell\n//console.log(rowId); //the row ID of clicked Cell'
    },
    {
        name : 'onRender',
        label : '@@userview.ganttchart.onRender@@',
        type : 'codeeditor',
        mode : 'javascript',
        value : '//console.log("chart rendered");'
    },
    {
        name : 'customHeader',
        label : '@@userview.ganttchart.customHeader@@',
        type : 'codeeditor',
        mode : 'html'
    },
    {
        name : 'customFooter',
        label : '@@userview.ganttchart.customFooter@@',
        type : 'codeeditor',
        mode : 'html'
    }]
}]

    @Override
    public String getRenderPage() {
        Map model = new HashMap();
        model.put("request", getRequestParameters());
        model.put("element", this);
        
        PluginManager pluginManager = (PluginManager)AppUtil.getApplicationContext().getBean("pluginManager");
        String content = pluginManager.getPluginFreeMarkerTemplate(model, getClass().getName(), "/templates/ganttChart.ftl", null);
        return content;
    }

<link href="${request.contextPath}/plugin/org.joget.tutorial.GanttChartMenu/lib/jquery/gantt/css/style.css" rel="stylesheet" type="text/css" />
<script src="${request.contextPath}/plugin/org.joget.tutorial.GanttChartMenu/lib/jquery/gantt/js/jquery.fn.gantt.min.js"></script>
<div class="gantt_chart_menu_body">
    <h3>Plugin Development</h3>
    <div class="gantt"></div>
    <script>
        $(function() {
            "use strict";
            $(".gantt").gantt({
                source: [{
                    name: "Sprint 0",
                    desc: "Analysis",
                    values: [{
                        from: "/Date(1320192000000)/",
                        to: "/Date(1322401600000)/",
                        label: "Requirement Gathering",
                        customClass: "ganttRed"
                    }]
                },{
                    name: " ",
                    desc: "Scoping",
                    values: [{
                        from: "/Date(1322611200000)/",
                        to: "/Date(1323302400000)/",
                        label: "Scoping",
                        customClass: "ganttRed"
                    }]
                 },{
                    name: "Sprint 1",
                    desc: "Development",
                    values: [{
                        from: "/Date(1323802400000)/",
                        to: "/Date(1325685200000)/",
                        label: "Development",
                        customClass: "ganttGreen"
                    }]
                },{
                    name: " ",
                    desc: "Showcasing",
                    values: [{
                        from: "/Date(1325685200000)/",
                        to: "/Date(1325695200000)/",
                        label: "Showcasing",
                        customClass: "ganttBlue"
                    }]
                 },{
                    name: "Sprint 2",
                    desc: "Development",
                    values: [{
                        from: "/Date(1326785200000)/",
                        to: "/Date(1325785200000)/",
                        label: "Development",
                        customClass: "ganttGreen"
                    }]
                 },{
                    name: " ",
                    desc: "Showcasing",
                    values: [{
                        from: "/Date(1328785200000)/",
                        to: "/Date(1328905200000)/",
                        label: "Showcasing",
                        customClass: "ganttBlue"
                    }]
                 },{
                    name: "Release Stage",
                    desc: "Training",
                    values: [{
                        from: "/Date(1330011200000)/",
                        to: "/Date(1336611200000)/",
                        label: "Training",
                        customClass: "ganttOrange"
                    }]
                 },{
                    name: " ",
                    desc: "Deployment",
                    values: [{
                        from: "/Date(1336611200000)/",
                        to: "/Date(1338711200000)/",
                        label: "Deployment",
                        customClass: "ganttOrange"
                    }]
                 },{
                    name: " ",
                    desc: "Warranty Period",
                    values: [{
                        from: "/Date(1336611200000)/",
                        to: "/Date(1349711200000)/",
                        label: "Warranty Period",
                        customClass: "ganttOrange"
                    }]
                 }],
                 navigate: "scroll",
                 maxScale: "hours",
                 itemsPerPage: 10
             });
         });
    </script>
</div>

    @Override
    public String getRenderPage() {
        Map model = new HashMap();
        model.put("request", getRequestParameters());
        model.put("element", this);
        
        //populate data in JSON format
        model.put("data", getData());
        
        PluginManager pluginManager = (PluginManager)AppUtil.getApplicationContext().getBean("pluginManager");
        String content = pluginManager.getPluginFreeMarkerTemplate(model, getClass().getName(), "/templates/ganttChart.ftl", MESSAGE_PATH);
        return content;
    }
     
    protected String getData() {
        String json = "[]"; 
        
        try {
            DataListCollection data = null;
            String idColumn = getPropertyString("taskId");
            
            //get the binder
            Object binderData = getProperty("binder");
            if (binderData != null && binderData instanceof Map) {
                Map bdMap = (Map) binderData;
                if (bdMap != null && bdMap.containsKey("className") && !bdMap.get("className").toString().isEmpty()) {
                    PluginManager pluginManager = (PluginManager) AppUtil.getApplicationContext().getBean("pluginManager");
                    DataListBinder binder = (DataListBinder) pluginManager.getPlugin(bdMap.get("className").toString());
                    
                    if (binder != null) {
                        Map bdProps = (Map) bdMap.get("properties");
                        binder.setProperties(bdProps);
                        
                        data = binder.getData(null, bdProps, new DataListFilterQueryObject[0], null, null, null, null);
                        if (idColumn.isEmpty()) {
                            idColumn = binder.getPrimaryKeyColumnName();
                        }
                    }
                }
            }
            
            JSONArray dataArry = new JSONArray();
            String dateFormat = getPropertyString("dateFormat");
            SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
            
            if (data != null && !data.isEmpty()) {
                String currentCategory = null;
                int cat_count = 0;
                String currentTask = null;
                int task_count = 0;
                int act_count = 0;
                
                JSONObject taskObj = null;
                JSONArray taskValuesArray = null;
                for (Object r : data) {
                    String id = getValue(r, idColumn);
                    String cat = getValue(r, getPropertyString("category"));
                    String task = getValue(r, getPropertyString("task"));
                    String act = getValue(r, getPropertyString("activity"));
                    String formDate = getValue(r, getPropertyString("fromDate"));
                    String toDate = getValue(r, getPropertyString("toDate"));
                    String status = getValue(r, getPropertyString("cssClass"));
                    
                    if (currentTask == null || !currentTask.equals(task) || (currentTask.equals(task) && !cat.equals(currentCategory))) {
                        currentTask = task;
                        if (taskObj != null) {
                            taskObj.put("values", taskValuesArray);
                            dataArry.put(taskObj);
                        }
                        taskObj = new JSONObject();
                        taskValuesArray = new JSONArray();
                        taskObj.put("desc", task);
                        taskObj.put("id", id);
                        task_count++;
                    }
                    
                    if (currentCategory == null || !currentCategory.equals(cat)) {
                        currentCategory = cat;
                        taskObj.put("name", cat);
                        cat_count++;
                    }
                    
                    JSONObject valueObj = new JSONObject();
                    JSONObject actObj = new JSONObject();
                    act_count++;
                    
                    actObj.put("taskId", id);
                    actObj.put("category", cat);
                    actObj.put("task", task);
                    actObj.put("activity", act);
                    actObj.put("formDate", formDate);
                    actObj.put("toDate", toDate);
                    actObj.put("status", status);
                    
                    valueObj.put("dataObj", actObj);
                    valueObj.put("label", act);
                    valueObj.put("from", "/Date("+sdf.parse(formDate).getTime()+")/");
                    valueObj.put("to", "/Date("+sdf.parse(toDate).getTime()+")/");
                    valueObj.put("customClass", "cat_"+cat_count+" task_"+task_count+" act_"+act_count+" "+status.replace(" ", "_"));
                    taskValuesArray.put(valueObj);
                }
                if (taskObj != null) {
                    taskObj.put("values", taskValuesArray);
                    dataArry.put(taskObj);
                }
            }
            
            return dataArry.toString();
        } catch (Exception e) {
            LogUtil.error(GanttChartMenu.class.getName(), e, json);
        }
        
        return json;
    }
    
    protected String getValue(Object o, String name) {
        String value = "";
        
        try {
            Object v = LookupUtil.getBeanProperty(o, name);
            if (v != null) {
                return v.toString();
            }
        } catch (Exception e) {
            LogUtil.error(GanttChartMenu.class.getName(), e, name);
        }
        
        return value;
    }

        <!-- Change plugin specific dependencies here -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.0</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20080701</version>
        </dependency>
        <dependency>
            <groupId>displaytag</groupId>
            <artifactId>displaytag</artifactId>
            <version>1.2</version>
            <exclusions>
                <exclusion>
                    <artifactId>slf4j-api</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>jcl104-over-slf4j</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-log4j12</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!-- End change plugin specific dependencies here -->

    public void start(BundleContext context) {
        registrationList = new ArrayList<ServiceRegistration>();
        //Register plugin here
        registrationList.add(context.registerService(GanttChartMenu.class.getName(), new GanttChartMenu(), null));
    }