Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package co.edu.eam.ingesoft.egresados.vista.gui; import java.awt.Color; import java.util.List; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.DefaultCategoryDataset; import co.edu.eam.ingesoft.desarrollo.egresados.persistencia.modelo.entidades.AreaInteres; import co.edu.eam.ingesoft.desarrollo.egresados.persistencia.modelo.entidades.OfertaLaboral; import co.edu.eam.ingesoft.desarrollo.egresados.persistencia.modelo.entidades.Programa; import co.edu.eam.ingesoft.egresados.vista.controladores.ControladorVentanaOfertasAbiertas; /** * * @author 414pc04 */ public class VentanaOfertasAbiertas extends javax.swing.JFrame { private ControladorVentanaOfertasAbiertas controlador; /** * Creates new form VentanaOfertasAbiertas */ public VentanaOfertasAbiertas() { initComponents(); try { this.getContentPane().setBackground(Color.GREEN); controlador = new ControladorVentanaOfertasAbiertas(); llenarComboPrograma(); llenarComboAreas(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * Mtodo para llenar el combo de programas * * @throws Exception */ private void llenarComboPrograma() throws Exception { cbPrograma.removeAllItems(); List<Programa> lista = controlador.listarProgramas(); // cbPrograma.addItem("Seleccione un programa"); for (Programa programa : lista) { cbPrograma.addItem(programa); } } /** * Mtodo para llenar el combo de area de interes * * @throws Exception */ private void llenarComboAreas() throws Exception { cbArea.removeAllItems(); List<AreaInteres> lista = controlador.listarArea(); cbArea.addItem("Seleccione un area de interes"); for (AreaInteres area : lista) { cbArea.addItem(area); } } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { jLabel1 = new javax.swing.JLabel(); jPanel1 = new javax.swing.JPanel(); jLabel10 = new javax.swing.JLabel(); cbArea = new javax.swing.JComboBox(); cbPrograma = new javax.swing.JComboBox(); jLabel12 = new javax.swing.JLabel(); jPPrimero = new javax.swing.JPanel(); jPSegundo = new javax.swing.JPanel(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); setResizable(false); jLabel1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/imagenes/dinero.png"))); // NOI18N jLabel1.setText("Ofertas Abiertas"); jPanel1.setBackground(new java.awt.Color(0, 153, 0)); jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Buscar Ofertas")); jLabel10.setText("Area de Conociemiento*"); cbArea.addItemListener(new java.awt.event.ItemListener() { public void itemStateChanged(java.awt.event.ItemEvent evt) { cbAreaItemStateChanged(evt); } }); cbPrograma.addItemListener(new java.awt.event.ItemListener() { public void itemStateChanged(java.awt.event.ItemEvent evt) { cbProgramaItemStateChanged(evt); } }); jLabel12.setText("Programa Academico*"); javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addGap(39, 39, 39) .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel10).addComponent(cbArea, javax.swing.GroupLayout.PREFERRED_SIZE, 180, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 197, Short.MAX_VALUE) .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(cbPrograma, javax.swing.GroupLayout.PREFERRED_SIZE, 174, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel12)) .addGap(36, 36, 36))); jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addGap(12, 12, 12) .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel12) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(cbPrograma, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addGap(20, 20, 20) .addComponent(cbArea, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addComponent(jLabel10))) .addContainerGap(29, Short.MAX_VALUE))); jPPrimero.setBackground(new java.awt.Color(0, 153, 0)); jPPrimero.setBorder(javax.swing.BorderFactory.createTitledBorder("Grfica de Porcentajes")); javax.swing.GroupLayout jPPrimeroLayout = new javax.swing.GroupLayout(jPPrimero); jPPrimero.setLayout(jPPrimeroLayout); jPPrimeroLayout.setHorizontalGroup(jPPrimeroLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 290, Short.MAX_VALUE)); jPPrimeroLayout.setVerticalGroup(jPPrimeroLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 262, Short.MAX_VALUE)); jPSegundo.setBackground(new java.awt.Color(0, 153, 0)); jPSegundo.setBorder(javax.swing.BorderFactory.createTitledBorder("Grfica de Porcentajes")); javax.swing.GroupLayout jPSegundoLayout = new javax.swing.GroupLayout(jPSegundo); jPSegundo.setLayout(jPSegundoLayout); jPSegundoLayout.setHorizontalGroup(jPSegundoLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 0, Short.MAX_VALUE)); jPSegundoLayout.setVerticalGroup(jPSegundoLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 0, Short.MAX_VALUE)); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGroup(layout.createSequentialGroup().addGap(233, 233, 233).addComponent(jLabel1) .addGap(0, 0, Short.MAX_VALUE))) .addContainerGap()) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout .createSequentialGroup().addContainerGap() .addComponent(jPPrimero, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(58, 58, 58).addComponent(jPSegundo, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addContainerGap()))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(22, 22, 22).addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(341, Short.MAX_VALUE)) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addContainerGap(206, Short.MAX_VALUE).addGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(jPPrimero, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jPSegundo, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(19, 19, 19)))); pack(); }// </editor-fold>//GEN-END:initComponents private void cbAreaItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_cbAreaItemStateChanged // TODO add your handling code here: ChartPanel panel; try { Programa programa = (Programa) cbPrograma.getSelectedItem(); List<OfertaLaboral> listaOfertaLab = controlador.listarOfertas(programa); int contador = 0; AreaInteres areaAnterior = null; DefaultCategoryDataset ds = new DefaultCategoryDataset(); for (int i = 0; i < listaOfertaLab.size(); i++) { jPPrimero.removeAll(); // Validacion de oferta if (listaOfertaLab.get(i).isCerrarOferta() == false) { areaAnterior = listaOfertaLab.get(i).getAreaInteres(); for (int j = 0; j < listaOfertaLab.size(); j++) { if (listaOfertaLab.get(j).getAreaInteres() == areaAnterior) { contador++; } } ds.addValue(contador, listaOfertaLab.get(i).getDescripcion(), listaOfertaLab.get(i).getDescripcion()); contador = 0; } } JFreeChart jf = ChartFactory.createBarChart3D("Reporte de ofertas abiertas", "Nombre de las ofertas", "Numero de vacantes", ds, PlotOrientation.VERTICAL, true, true, true); panel = new ChartPanel(jf); panel.setBounds(20, 20, 230, 230); jPPrimero.add(panel); } catch (Exception e) { e.printStackTrace(); } }// GEN-LAST:event_cbAreaItemStateChanged /** * Grafica de barras * * @param evt */ private void cbProgramaItemStateChanged(java.awt.event.ItemEvent evt) {// GEN-FIRST:event_cbProgramaItemStateChanged // TODO add your handling code here: ChartPanel panel; try { Programa programa = (Programa) cbPrograma.getSelectedItem(); List<OfertaLaboral> listaOfertaLab = controlador.listarOfertas(programa); int contador = 0; AreaInteres areaAnterior = null; DefaultCategoryDataset ds = new DefaultCategoryDataset(); for (int i = 0; i < listaOfertaLab.size(); i++) { jPSegundo.removeAll(); // Validacion de oferta if (listaOfertaLab.get(i).isCerrarOferta() == false) { areaAnterior = listaOfertaLab.get(i).getAreaInteres(); for (int j = 0; j < listaOfertaLab.size(); j++) { if (listaOfertaLab.get(j).getAreaInteres() == areaAnterior) { contador++; } } ds.addValue(contador, listaOfertaLab.get(i).getDescripcion(), listaOfertaLab.get(i).getDescripcion()); contador = 0; } } JFreeChart jf = ChartFactory.createBarChart3D("Reporte de ofertas abiertas", "Nombre de las ofertas", "Numero de vacantes", ds, PlotOrientation.VERTICAL, true, true, true); panel = new ChartPanel(jf); panel.setBounds(20, 20, 230, 230); jPSegundo.add(panel); } catch (Exception e) { e.printStackTrace(); } }// GEN-LAST:event_cbProgramaItemStateChanged // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JComboBox cbArea; private javax.swing.JComboBox cbPrograma; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel10; private javax.swing.JLabel jLabel12; private javax.swing.JPanel jPPrimero; private javax.swing.JPanel jPSegundo; private javax.swing.JPanel jPanel1; // End of variables declaration//GEN-END:variables }