| 1 | package de.uka.ipd.sdq.sensorframework.visualisation.jfreechartvisualisation.editor; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | import java.util.List; |
| 6 | import java.util.Properties; |
| 7 | |
| 8 | import org.eclipse.swt.SWT; |
| 9 | import org.eclipse.swt.layout.GridData; |
| 10 | import org.eclipse.swt.layout.GridLayout; |
| 11 | import org.eclipse.swt.layout.RowData; |
| 12 | import org.eclipse.swt.layout.RowLayout; |
| 13 | import org.eclipse.swt.widgets.Composite; |
| 14 | import org.eclipse.swt.widgets.Event; |
| 15 | import org.eclipse.swt.widgets.Label; |
| 16 | import org.eclipse.swt.widgets.Listener; |
| 17 | import org.eclipse.swt.widgets.Text; |
| 18 | |
| 19 | import de.uka.ipd.sdq.codegen.simudatavisualisation.datatypes.Histogram; |
| 20 | import de.uka.ipd.sdq.sensorframework.adapter.DataAdapter; |
| 21 | import de.uka.ipd.sdq.sensorframework.adapter.TimeSpanToHistogramAdapter; |
| 22 | import de.uka.ipd.sdq.sensorframework.visualisation.IVisualisation; |
| 23 | import de.uka.ipd.sdq.sensorframework.visualisation.editor.AbstractReportView; |
| 24 | import de.uka.ipd.sdq.sensorframework.visualisation.jfreechartvisualisation.AbstractJFreeChartWidthViewer; |
| 25 | |
| 26 | /**Report for Histograms. |
| 27 | * Provides the basic possibilities to generate histograms and change their classes width. |
| 28 | * @author groenda |
| 29 | */ |
| 30 | public abstract class AbstractJFreeChartWidthReport extends AbstractReportView implements IVisualisation<Histogram>{ |
| 31 | |
| 32 | AbstractJFreeChartWidthViewer viewer; |
| 33 | protected Text widthInput; |
| 34 | protected double histogramWidth = Double.NaN; |
| 35 | private List<DataAdapter> adapterList = null; |
| 36 | |
| 37 | public AbstractJFreeChartWidthReport() { |
| 38 | super(); |
| 39 | } |
| 40 | |
| 41 | protected abstract AbstractJFreeChartWidthViewer createViewer(Composite parent, int flags); |
| 42 | |
| 43 | /** {@inheritDoc} |
| 44 | */ |
| 45 | @Override |
| 46 | protected void createReportControls(Composite parent) { |
| 47 | GridLayout gridLayout = new GridLayout(); |
| 48 | gridLayout.numColumns = 1; |
| 49 | parent.setLayout(gridLayout); |
| 50 | Composite histogramWidthPanel = new Composite(parent, SWT.NONE); |
| 51 | GridData data = new GridData(); |
| 52 | data.grabExcessHorizontalSpace = true; |
| 53 | histogramWidthPanel.setLayoutData(data); |
| 54 | RowLayout rowLayout = new RowLayout(); |
| 55 | rowLayout.wrap = false; |
| 56 | rowLayout.pack = true; |
| 57 | histogramWidthPanel.setLayout(rowLayout); |
| 58 | Label label = new Label(histogramWidthPanel, SWT.CENTER); |
| 59 | label.setText("Sampling Rate"); |
| 60 | label.setLayoutData(new RowData(SWT.DEFAULT, SWT.DEFAULT)); |
| 61 | widthInput = new Text(histogramWidthPanel, SWT.BORDER); |
| 62 | widthInput.setText(Double.toString(histogramWidth)); |
| 63 | widthInput.setLayoutData(new RowData(60, SWT.DEFAULT)); |
| 64 | Listener listener = new Listener() { |
| 65 | |
| 66 | public void handleEvent(Event event) { |
| 67 | switch (event.type) { |
| 68 | case SWT.KeyDown: |
| 69 | if (event.character == SWT.CR) |
| 70 | updateHistogramWidth(Double.parseDouble(widthInput |
| 71 | .getText())); |
| 72 | break; |
| 73 | case SWT.FocusOut: |
| 74 | updateHistogramWidth(Double.parseDouble(widthInput |
| 75 | .getText())); |
| 76 | break; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | }; |
| 81 | widthInput.addListener(SWT.KeyDown, listener); |
| 82 | widthInput.addListener(SWT.FocusOut, listener); |
| 83 | |
| 84 | viewer = createViewer(parent, SWT.NONE); |
| 85 | GridData data2 = new GridData(); |
| 86 | data2.grabExcessHorizontalSpace = true; |
| 87 | data2.grabExcessVerticalSpace = true; |
| 88 | data2.verticalAlignment = GridData.FILL; |
| 89 | data2.horizontalAlignment = GridData.FILL; |
| 90 | viewer.setLayoutData(data2); |
| 91 | histogramWidthPanel.setLayoutData(data); |
| 92 | } |
| 93 | |
| 94 | /**Updates the histogram width after a change on the gui. |
| 95 | * @param newWidth The new width to set. |
| 96 | */ |
| 97 | private void updateHistogramWidth(double newWidth) { |
| 98 | this.histogramWidth = newWidth; |
| 99 | |
| 100 | setIgnoreDataSettingsChanged(true); |
| 101 | // Set new histogram width on all adapters of this report |
| 102 | for (DataAdapter adapter : adapterList) { |
| 103 | Properties adapterProperties = adapter.getProperties(); |
| 104 | adapterProperties.put(TimeSpanToHistogramAdapter.HISTOGRAM_WIDTH, |
| 105 | histogramWidth); |
| 106 | adapter.setProperties(adapterProperties); |
| 107 | } |
| 108 | setIgnoreDataSettingsChanged(false); |
| 109 | generateVisualization(adapterList); |
| 110 | } |
| 111 | |
| 112 | /** {@inheritDoc} |
| 113 | */ |
| 114 | public void setInput(Collection<Histogram> histograms) { |
| 115 | viewer.setData(histograms); |
| 116 | this.widthInput.setText(""+histogramWidth); |
| 117 | } |
| 118 | |
| 119 | /** {@inheritDoc} |
| 120 | */ |
| 121 | @Override |
| 122 | protected void generateVisualization(List<DataAdapter> newList) { |
| 123 | if (newList == null || newList.isEmpty()) |
| 124 | throw new RuntimeException("Histogram reports must have at least one data input."); |
| 125 | Properties adapterProperties = null; |
| 126 | // Determine width of "old" histogram, if existing |
| 127 | double newWidth = Double.NaN; |
| 128 | if (adapterList != null && adapterList.isEmpty() == false) { |
| 129 | DataAdapter adapter = adapterList.get(0); |
| 130 | adapterProperties = adapter.getProperties(); |
| 131 | Double test = (Double) adapterProperties.get(TimeSpanToHistogramAdapter.HISTOGRAM_WIDTH); |
| 132 | newWidth = test; |
| 133 | } else { |
| 134 | // this is the first data added |
| 135 | DataAdapter adapter = newList.get(0); |
| 136 | adapterProperties = adapter.getProperties(); |
| 137 | newWidth = (Double) adapterProperties.get(TimeSpanToHistogramAdapter.HISTOGRAM_WIDTH); |
| 138 | } |
| 139 | |
| 140 | boolean allSameWidth = isSameWidth(newList); |
| 141 | |
| 142 | /* Set all histograms to the same histogram width and add histograms |
| 143 | * to the current view. |
| 144 | */ |
| 145 | ArrayList<Histogram> newHistogramList = new ArrayList<Histogram>(); |
| 146 | for (DataAdapter adapter : newList) { |
| 147 | if (!allSameWidth) { |
| 148 | adapterProperties = adapter.getProperties(); |
| 149 | adapterProperties.put(TimeSpanToHistogramAdapter.HISTOGRAM_WIDTH, newWidth); |
| 150 | // Note: The property change will notify all listeners, so be careful |
| 151 | adapter.setProperties(adapterProperties); |
| 152 | } |
| 153 | newHistogramList.add((Histogram) adapter.getAdaptedObject()); |
| 154 | } |
| 155 | histogramWidth = newWidth; // set view-local cached version to new value |
| 156 | adapterList = newList; |
| 157 | |
| 158 | this.setInput(newHistogramList); |
| 159 | } |
| 160 | |
| 161 | /**Checks if the adapters all have the same histogram width. |
| 162 | * @param adapterList The list of adapters to check. |
| 163 | * @return <code>true</code> if all have the same width. |
| 164 | */ |
| 165 | private boolean isSameWidth(List<DataAdapter> adapterList) { |
| 166 | Properties adapterProperties; |
| 167 | boolean allSameWidth = true; |
| 168 | double width = Double.NaN; |
| 169 | double currentWidth = Double.NaN; |
| 170 | for (DataAdapter adapter : adapterList) { |
| 171 | adapterProperties = adapter.getProperties(); |
| 172 | currentWidth = (Double) adapterProperties.get(TimeSpanToHistogramAdapter.HISTOGRAM_WIDTH); |
| 173 | if (Double.isNaN(width)) { |
| 174 | width = currentWidth; |
| 175 | } |
| 176 | if (width != currentWidth) { |
| 177 | allSameWidth = false; |
| 178 | } |
| 179 | } |
| 180 | return allSameWidth; |
| 181 | } |
| 182 | |
| 183 | |
| 184 | /** {@inheritDoc} |
| 185 | */ |
| 186 | @Override |
| 187 | public void setFocus() { |
| 188 | viewer.setFocus(); |
| 189 | } |
| 190 | |
| 191 | /** {@inheritDoc} |
| 192 | */ |
| 193 | public void addInput(Collection<Histogram> c) { |
| 194 | // The implementation is not necessary. |
| 195 | } |
| 196 | |
| 197 | /** {@inheritDoc} |
| 198 | */ |
| 199 | public void deleteInput(Collection<Histogram> c) { |
| 200 | // The implementation is not necessary. |
| 201 | } |
| 202 | } |