Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/MousePositionPanel.java @ 3518:33ed40aa1201
User ModuleService to get all modules for a user
Don't hardcode the Modules instead load them from the ModuleService. This allows
to show only modules that a user is allowed to access.
flys-client/trunk@5292 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Wed, 29 Aug 2012 12:38:06 +0000 |
parents | 8d27d2d33d70 |
children | 6a8f83c538e3 |
rev | line source |
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1 package de.intevation.flys.client.client.ui.chart; |
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2 |
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3 import java.util.ArrayList; |
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4 |
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5 import com.google.gwt.i18n.client.NumberFormat; |
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6 |
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7 import com.smartgwt.client.widgets.Canvas; |
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8 import com.smartgwt.client.widgets.Label; |
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9 import com.smartgwt.client.widgets.layout.HLayout; |
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10 import com.smartgwt.client.widgets.events.MouseMoveEvent; |
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11 import com.smartgwt.client.widgets.events.MouseMoveHandler; |
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12 |
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13 import de.intevation.flys.client.shared.Transform2D; |
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14 |
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15 |
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16 /** |
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17 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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18 */ |
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19 public class MousePositionPanel extends HLayout implements MouseMoveHandler { |
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20 |
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21 protected ChartOutputTab chartTab; |
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22 |
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23 protected NumberFormat nf; |
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24 |
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25 protected HLayout xLayout; |
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26 protected ArrayList<HLayout> yLayouts; |
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27 |
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28 public MousePositionPanel(ChartOutputTab chartTab) { |
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29 super(); |
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30 |
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31 this.chartTab = chartTab; |
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32 |
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33 nf = NumberFormat.getDecimalFormat(); |
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34 |
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35 chartTab.getChartPanel().addMouseMoveHandler(this); |
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36 |
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37 initLayout(); |
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38 } |
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39 |
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40 |
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41 /** |
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42 * Initializes the layout of this component. <b>Note:</b> This layout has a |
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43 * fixed width of 195px plus a margin of 5px. |
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44 */ |
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45 protected void initLayout() { |
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46 setMembersMargin(5); |
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47 |
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48 xLayout = null; |
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49 yLayouts = new ArrayList<HLayout>(); |
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50 } |
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51 |
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52 |
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53 /** |
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54 * Listens to mouse move events to refresh the xy position. |
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55 * |
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56 * @param event The move event. |
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57 */ |
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58 public void onMouseMove(MouseMoveEvent event) { |
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59 updateMousePosition(event.getX(), event.getY()); |
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60 } |
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61 |
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62 |
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63 /** |
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64 * This method takes pixel coordinates, transforms those values into chart |
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65 * coordinates using the Transform2D class and updates the mouse position. |
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66 * |
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67 * @param x The x part of the pixel. |
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68 * @param y The y part of the pixel. |
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69 */ |
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70 public void updateMousePosition(double x, double y) { |
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71 int transformerCount = chartTab.getTransformerCount(); |
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72 |
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73 Canvas chart = chartTab.getChartPanel(); |
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74 int xOffset = chart.getPageLeft(); |
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75 int yOffset = chart.getPageTop(); |
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76 |
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77 x = x - xOffset; |
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78 y = y - yOffset; |
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79 |
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80 // Create Layout for x coordinates. |
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81 if (xLayout == null){ |
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82 Label xDesc = new Label("Position: X = "); |
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83 Label xLabel = new Label(); |
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84 xLayout = new HLayout(); |
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85 xLayout.setWidth(125); |
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86 xLayout.addMember(xDesc); |
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87 xLayout.addMember(xLabel); |
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88 xDesc.setWidth(70); |
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89 xLabel.setWidth(55); |
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90 addMember(xLayout); |
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91 } |
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92 |
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93 ArrayList<String> yCoordinates = new ArrayList<String>(); |
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94 String xCoordinate = ""; |
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95 for (int i = 0; i < transformerCount; i++) { |
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96 HLayout yLayout = null; |
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97 // If no layout exists for this y axis, create one. |
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98 // else use the existing one. |
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99 if (yLayouts.size() <= i) { |
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100 Label yDesc = new Label("Y" + (i+1) + " = "); |
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101 Label yLabel = new Label(); |
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102 yLayout = new HLayout(); |
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103 yLayout.setWidth(80); |
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104 yLayout.addMember(yDesc); |
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105 yLayout.addMember(yLabel); |
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106 yDesc.setWidth(30); |
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107 yLabel.setWidth(50); |
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108 addMember(yLayout); |
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109 yLayouts.add(i, yLayout); |
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110 } |
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111 else { |
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112 yLayout = yLayouts.get(i); |
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113 } |
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114 |
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115 Transform2D transformer = chartTab.getTransformer(i); |
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116 |
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117 if (transformer == null) { |
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118 return; |
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119 } |
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120 |
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121 // Get the label for the coordinates. |
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122 Canvas xLabel = xLayout.getMember(1); |
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123 Canvas yLabel = yLayout.getMember(1); |
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124 |
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125 double[] xy = transformer.transform(x,y); |
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126 String[] xyStr = transformer.format(new Number[] { |
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127 new Double(xy[0]), new Double(xy[1]) }); |
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128 // Set the coordinates. |
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129 xLabel.setContents(xyStr[0]); |
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130 yLabel.setContents(xyStr[1]); |
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131 } |
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132 |
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133 // Remove y coordinates. |
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134 if (yLayouts.size() > transformerCount) { |
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135 for (int i = yLayouts.size() - 1; i >= transformerCount; i--) { |
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136 removeMember(yLayouts.get(i)); |
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137 yLayouts.remove(i); |
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138 } |
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139 } |
534
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140 } |
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141 } |
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142 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |