Java tutorial
/****************************************************************************** * Copyright (C) 2008 Low Heng Sin * * Copyright (C) 2008 Idalica Corporation * * This program is free software; you can redistribute it and/or modify it * * under the terms version 2 of the GNU General Public License as published * * by the Free Software Foundation. This program is distributed in the hope * * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * * with this program; if not, write to the Free Software Foundation, Inc., * * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * *****************************************************************************/ package org.adempiere.webui.apps.graph; import java.awt.Point; import java.awt.image.BufferedImage; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Iterator; import java.util.logging.Level; import org.adempiere.apps.graph.GraphBuilder; import org.adempiere.apps.graph.GraphColumn; import org.adempiere.webui.apps.AEnv; import org.adempiere.webui.editor.WTableDirEditor; import org.adempiere.webui.event.ValueChangeEvent; import org.adempiere.webui.event.ValueChangeListener; import org.compiere.model.MGoal; import org.compiere.model.MLookup; import org.compiere.model.MLookupFactory; import org.compiere.model.MLookupInfo; import org.compiere.model.MQuery; import org.compiere.util.CLogger; import org.compiere.util.DB; import org.compiere.util.Env; import org.jfree.chart.ChartMouseEvent; import org.jfree.chart.ChartRenderingInfo; import org.jfree.chart.JFreeChart; import org.jfree.chart.encoders.EncoderUtil; import org.jfree.chart.encoders.ImageFormat; import org.jfree.chart.entity.CategoryItemEntity; import org.jfree.chart.entity.ChartEntity; import org.jfree.chart.entity.PieSectionEntity; import org.zkoss.image.AImage; import org.zkoss.zhtml.A; import org.zkoss.zhtml.Br; import org.zkoss.zhtml.Table; import org.zkoss.zhtml.Td; import org.zkoss.zhtml.Text; import org.zkoss.zhtml.Tr; import org.zkoss.zk.ui.Component; import org.zkoss.zk.ui.IdSpace; import org.zkoss.zk.ui.event.Event; import org.zkoss.zk.ui.event.EventListener; import org.zkoss.zk.ui.event.Events; import org.zkoss.zk.ui.event.MouseEvent; import org.zkoss.zkex.zul.Borderlayout; import org.zkoss.zkex.zul.Center; import org.zkoss.zkex.zul.East; import org.zkoss.zul.Area; import org.zkoss.zul.Div; import org.zkoss.zul.Imagemap; import org.zkoss.zul.Panel; import org.zkoss.zul.Panelchildren; import org.zkoss.zul.Toolbar; /** * Performance Graph * * @author hengsin */ public class WGraph extends Div implements IdSpace { /** * */ private static final long serialVersionUID = -975989183542113080L; private static final String ZOOM_KEY = "queryZoom"; private boolean m_hideTitle; private Panel panel; private boolean m_renderTable = false; private boolean m_renderChart = true; /** Zero/Zero Coordinate point */ private Point m_point0_0 = null; /** Logger */ private static CLogger log = CLogger.getCLogger(WGraph.class); /** Y Axis Target Line Label */ private String m_Y_TargetLabel = null; /** * Load Performance Data */ ArrayList<GraphColumn> list = new ArrayList<GraphColumn>(); private GraphBuilder builder; private boolean m_chartSelection; private int zoomFactor = 0; /** * Constructor */ public WGraph() { super(); builder = new GraphBuilder(); panel = new Panel(); } // BarGraph /** * Constructor * * @param goal */ public WGraph(MGoal goal) { this(goal, 0, false, false, false, true); } /** * Constructor * * @param goal * @param zoom * @param userSelection * @param hideTitle * @param showTable * @param showChart */ public WGraph(MGoal goal, int zoom, boolean chartSelection, boolean hideTitle, boolean renderTable, boolean renderChart) { this(); setGoal(goal); m_chartSelection = chartSelection; zoomFactor = zoom; m_hideTitle = hideTitle; m_renderTable = renderTable; m_renderChart = renderChart; loadData(); render(); } // WGraph /** * @param goal */ public void setGoal(MGoal goal) { builder.setMGoal(goal); builder.setYAxisLabel(goal.getName()); builder.setXAxisLabel(goal.getXAxisText()); } /** * @return true if the chart type selection control is available */ public boolean isChartSelection() { return m_chartSelection; } /** * show/hide the chart type selection control * @param chartSelection */ public void setChartSelection(boolean chartSelection) { m_chartSelection = chartSelection; } /** * render chart and/or table */ public void render() { Borderlayout layout = null; this.getChildren().clear(); if (m_renderTable && m_renderChart) { layout = new Borderlayout(); appendChild(layout); layout.setStyle("height: 100%; width: 100%; position: absolute;"); Center center = new Center(); layout.appendChild(center); center.appendChild(panel); } else { appendChild(panel); } if (m_renderChart) { JFreeChart chart = builder.createChart(builder.getMGoal().getChartType()); render(chart); } if (m_renderTable) { if (m_renderChart) { East east = new East(); layout.appendChild(east); renderTable(east); } else { Panelchildren pc = panel.getPanelchildren(); if (pc == null) { pc = new Panelchildren(); panel.appendChild(pc); } else { pc.getChildren().clear(); } renderTable(pc); } } } private void loadData() { list = builder.loadData(); if (m_renderChart && m_chartSelection) { Toolbar toolbar = new Toolbar(); panel.appendChild(toolbar); int AD_Reference_Value_ID = DB.getSQLValue(null, "SELECT AD_Reference_ID FROM AD_Reference WHERE Name = ?", "PA_Goal ChartType"); MLookupInfo info = MLookupFactory.getLookup_List(Env.getLanguage(Env.getCtx()), AD_Reference_Value_ID); MLookup mLookup = new MLookup(info, 0); WTableDirEditor editor = new WTableDirEditor("ChartType", false, false, true, mLookup); toolbar.appendChild(editor.getComponent()); editor.addValueChangeListener(new ValueChangeListener() { public void valueChange(ValueChangeEvent evt) { Object value = evt.getNewValue(); if (value == null || value.toString().trim().length() == 0) return; JFreeChart chart = null; chart = builder.createChart(value.toString()); if (chart != null) render(chart); } }); } } // loadData private void render(JFreeChart chart) { ChartRenderingInfo info = new ChartRenderingInfo(); int width = 560; int height = 400; if (zoomFactor > 0) { width = width * zoomFactor / 100; height = height * zoomFactor / 100; } if (m_hideTitle) { chart.setTitle(""); } BufferedImage bi = chart.createBufferedImage(width, height, BufferedImage.TRANSLUCENT, info); try { byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true); AImage image = new AImage("", bytes); Imagemap myImage = new Imagemap(); myImage.setContent(image); if (panel.getPanelchildren() != null) { panel.getPanelchildren().getChildren().clear(); panel.getPanelchildren().appendChild(myImage); } else { Panelchildren pc = new Panelchildren(); panel.appendChild(pc); pc.appendChild(myImage); } int count = 0; for (Iterator<?> it = info.getEntityCollection().getEntities().iterator(); it.hasNext();) { ChartEntity entity = (ChartEntity) it.next(); String key = null; if (entity instanceof CategoryItemEntity) { Comparable<?> colKey = ((CategoryItemEntity) entity).getColumnKey(); if (colKey != null) { key = colKey.toString(); } } else if (entity instanceof PieSectionEntity) { Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey(); if (sectionKey != null) { key = sectionKey.toString(); } } if (key == null) { continue; } Area area = new Area(); myImage.appendChild(area); area.setCoords(entity.getShapeCoords()); area.setShape(entity.getShapeType()); area.setTooltiptext(entity.getToolTipText()); area.setId(count + "_WG_" + key); count++; } myImage.addEventListener(Events.ON_CLICK, new EventListener() { public void onEvent(Event event) throws Exception { MouseEvent me = (MouseEvent) event; String areaId = me.getArea(); if (areaId != null) { for (int i = 0; i < list.size(); i++) { String s = "_WG_" + list.get(i).getLabel(); if (areaId.endsWith(s)) { chartMouseClicked(i); return; } } } } }); } catch (Exception e) { log.log(Level.SEVERE, "", e); } } /** * Get Point 0_0 * * @return point */ public Point getPoint0_0() { return m_point0_0; } // getPoint0_0 /** * @return Returns the x_AxisLabel. */ public String getX_AxisLabel() { return builder.getXAxisLabel(); } // getX_AxisLabel /** * @param axisLabel * The x_AxisLabel to set. */ public void setX_AxisLabel(String axisLabel) { builder.setXAxisLabel(axisLabel); } // setX_AxisLabel /** * @return Returns the y_AxisLabel. */ public String getY_AxisLabel() { return builder.getYAxisLabel(); } // getY_AxisLabel /** * @param axisLabel * The y_AxisLabel to set. */ public void setY_AxisLabel(String axisLabel) { builder.setYAxisLabel(axisLabel); } // setY_AxisLabel /** * @return Returns the y_TargetLabel. */ public String getY_TargetLabel() { return m_Y_TargetLabel; } // getY_TargetLabel /** * @param targetLabel * The y_TargetLabel to set. */ public void setY_TargetLabel(String targetLabel, double target) { m_Y_TargetLabel = targetLabel; // m_Y_Target = target; } // setY_TargetLabel /** * @return zoom in factor */ public int getZoomFactor() { return zoomFactor; } /** * set zoom in factor * * @param zoomFactor */ public void setZoomFactor(int zoomFactor) { this.zoomFactor = zoomFactor; } /** * @return true if the summary table for performance goal is render on screen */ public boolean isRenderTable() { return m_renderTable; } /** * hide/show the summary table for performance goal * @param mRenderTable */ public void setRenderTable(boolean mRenderTable) { m_renderTable = mRenderTable; } /** * @return true if chart is render on screen */ public boolean isRenderChart() { return m_renderChart; } /** * hide/show chart for performance goal * @param mRenderChart */ public void setRenderChart(boolean mRenderChart) { m_renderChart = mRenderChart; } /************************************************************************** * Paint Component * * @param g * graphics */ public void chartMouseClicked(int index) { GraphColumn bgc = list.get(index); if (null == bgc) return; MQuery query = bgc.getMQuery(builder.getMGoal()); if (query != null) AEnv.zoom(query); else log.warning("Nothing to zoom to - " + bgc); } public void chartMouseMoved(ChartMouseEvent event) { } /** * * @return GraphColumn[] */ public GraphColumn[] getGraphColumnList() { GraphColumn[] array = new GraphColumn[list.size()]; for (int i = 0; i < list.size(); i++) { array[i] = list.get(i); } return array; } private void renderTable(Component parent) { Div div = new Div(); appendChild(div); div.setSclass("pa-content"); parent.appendChild(div); Table table = new Table(); table.setSclass("pa-dataGrid"); div.appendChild(table); Tr tr = new Tr(); table.appendChild(tr); Td td = new Td(); td.setSclass("pa-label"); tr.appendChild(td); Text text = new Text("Target"); td.appendChild(text); td = new Td(); td.setDynamicProperty("colspan", "2"); td.setSclass("pa-tdcontent"); tr.appendChild(td); text = new Text( builder.getMGoal().getMeasureTarget().setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString()); td.appendChild(text); tr = new Tr(); table.appendChild(tr); td = new Td(); td.setSclass("pa-label"); tr.appendChild(td); text = new Text("Actual"); td.appendChild(text); td = new Td(); td.setDynamicProperty("colspan", "2"); td.setSclass("pa-tdcontent"); tr.appendChild(td); text = new Text( builder.getMGoal().getMeasureActual().setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString()); td.appendChild(text); GraphColumn[] bList = getGraphColumnList(); tr = new Tr(); table.appendChild(tr); td = new Td(); tr.appendChild(td); td.setDynamicProperty("rowspan", bList.length); td.setSclass("pa-label"); td.setDynamicProperty("valign", "top"); text = new Text(builder.getMGoal().getXAxisText()); td.appendChild(text); for (int k = 0; k < bList.length; k++) { GraphColumn bgc = bList[k]; if (k > 0) { tr = new Tr(); table.appendChild(tr); } td = new Td(); td.setSclass("pa-tdlabel"); tr.appendChild(td); text = new Text(bgc.getLabel()); td.appendChild(text); td = new Td(); td.setSclass("pa-tdvalue"); tr.appendChild(td); BigDecimal value = new BigDecimal(bgc.getValue()); if (bgc.getMQuery(builder.getMGoal()) != null) { A a = new A(); a.setSclass("pa-hrefNode"); td.appendChild(a); a.setId(ZOOM_KEY + k); a.addEventListener(Events.ON_CLICK, new EventListener() { public void onEvent(Event event) throws Exception { Component comp = event.getTarget(); String id = comp.getId(); if (id.startsWith(ZOOM_KEY)) { String ss = id.substring(ZOOM_KEY.length()); int index = Integer.parseInt(String.valueOf(ss)); GraphColumn[] colList = getGraphColumnList(); if ((index >= 0) && (index < colList.length)) AEnv.zoom(colList[index].getMQuery(builder.getMGoal())); } } }); a.setDynamicProperty("href", "javascript:;"); text = new Text(value.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString()); a.appendChild(text); } else { text = new Text(value.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString()); } } tr = new Tr(); table.appendChild(tr); td = new Td(); td.setDynamicProperty("colspan", "3"); tr.appendChild(td); text = new Text(builder.getMGoal().getDescription()); td.appendChild(text); Br br = new Br(); td.appendChild(br); text = new Text(stripHtml(builder.getMGoal().getColorSchema().getDescription(), true)); td.appendChild(text); } private String stripHtml(String htmlString, boolean all) { htmlString = htmlString.replace("<html>", "").replace("</html>", "").replace("<body>", "") .replace("</body>", "").replace("<head>", "").replace("</head>", ""); if (all) htmlString = htmlString.replace(">", ">").replace("<", "<"); return htmlString; } } // BarGraph