com.phideltcmu.recruiter.client.ui.table.PersonTable.java Source code

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Here is the source code for com.phideltcmu.recruiter.client.ui.table.PersonTable.java

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/*
 * Copyright (c) 2013 Mathew Gray.
 * This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
 */

package com.phideltcmu.recruiter.client.ui.table;

import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.ColumnSortEvent;
import com.google.gwt.user.cellview.client.TextColumn;
import com.google.gwt.view.client.ListDataProvider;
import com.phideltcmu.recruiter.client.comparator.PersonComparators;
import com.phideltcmu.recruiter.client.ui.ExtraColumn;
import com.phideltcmu.recruiter.shared.model.Person;

import java.util.List;

public class PersonTable extends CellTable<Person> {
    private final TextColumn<Person> firstNameColumn;
    private final TextColumn<Person> lastNameColumn;
    private final TextColumn<Person> andrewIdColumn;
    private final TextColumn<Person> classYearColumn;
    private final TextColumn<Person> majorColumn;
    private boolean initialized = false;

    ListDataProvider<Person> dataProvider = new ListDataProvider<Person>();
    List<Person> dataProviderList = dataProvider.getList();

    public PersonTable() {
        /**
         * Initialize Columns
         */
        this.firstNameColumn = new TextColumn<Person>() {
            @Override
            public String getValue(Person person) {
                return person.getFirstName();
            }
        };

        this.lastNameColumn = new TextColumn<Person>() {
            @Override
            public String getValue(Person person) {
                return person.getLastName();
            }
        };

        this.andrewIdColumn = new TextColumn<Person>() {
            @Override
            public String getValue(Person person) {
                return person.getAndrewID();
            }
        };

        this.classYearColumn = new TextColumn<Person>() {
            @Override
            public String getValue(Person person) {
                String classYear = person.getClassYear();
                return classYear == null ? "N/A" : classYear;
            }
        };

        this.majorColumn = new TextColumn<Person>() {
            @Override
            public String getValue(Person person) {
                String major = person.getMajor();
                return major == null ? "N/A" : major;
            }
        };
        dataProvider.addDataDisplay(this);
    }

    private void initSorting() {
        /**
         * Enable sorting by last name
         */
        ColumnSortEvent.ListHandler<Person> lastNameSortHandler = new ColumnSortEvent.ListHandler<Person>(
                dataProviderList);
        lastNameSortHandler.setComparator(lastNameColumn, PersonComparators.lastNameComparator);
        this.addColumnSortHandler(lastNameSortHandler);
        this.getColumn(0).setSortable(true);
        this.getColumnSortList().push(lastNameColumn);

        //        ColumnSortEvent.ListHandler<Person> majorSortHandler =
        //                new ColumnSortEvent.ListHandler<Person>(dataProviderList);
        //        lastNameSortHandler.setComparator(majorColumn, PersonComparators.departmentComparator);
        //        this.addColumnSortHandler(majorSortHandler);
        //        this.getColumn(4).setSortable(true);
    }

    private void initDefaultColumns() {
        this.addColumn(lastNameColumn, "Last Name");
        this.addColumn(firstNameColumn, "First Name");
        this.addColumn(andrewIdColumn, "Andrew ID");
        this.addColumn(classYearColumn, "Class Year");
        this.addColumn(majorColumn, "Department");
    }

    public void initColumns() {
        if (initialized) {
            throw new IllegalStateException("columns initialized multiple times!");
        }
        initDefaultColumns();
        initSorting();
        this.initialized = true;
    }

    public void initColumns(List<ExtraColumn> extraColumns) {
        if (initialized) {
            throw new IllegalStateException("columns initialized multiple times!");
        }
        initDefaultColumns();
        /**
         * Set columns
         */
        for (ExtraColumn column : extraColumns) {
            this.addColumn(column.getColumn(), column.getName());
        }
        initSorting();
        this.initialized = true;
    }

    final public void setData(List<Person> personList) {
        dataProviderList.clear();
        dataProviderList.addAll(personList);
        this.setVisibleRange(0, personList.size());

        /**
         * Default sort by last name
         */
        ColumnSortEvent.fire(this, this.getColumnSortList());
    }

}