Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/server/ChartOutputServiceImpl.java @ 542:7c57149e8715
Append the x and y ranges determined after zooming with the ZoomboxControl to the attribute document used for the chart creation.
flys-client/trunk@2045 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 03 Jun 2011 06:34:32 +0000 |
parents | 8ea213bd8fba |
children | e74bf6bfeeb6 |
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541:ed29599e06e5 | 542:7c57149e8715 |
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80 ElementCreator ec = new ElementCreator( | 80 ElementCreator ec = new ElementCreator( |
81 doc, | 81 doc, |
82 ArtifactNamespaceContext.NAMESPACE_URI, | 82 ArtifactNamespaceContext.NAMESPACE_URI, |
83 ArtifactNamespaceContext.NAMESPACE_PREFIX); | 83 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
84 | 84 |
85 appendChartSize(req, doc, ec); | 85 Element attributes = ec.create("attributes"); |
86 | |
87 appendChartSize(req, attributes, ec); | |
88 appendXRange(req, attributes, ec); | |
89 appendYRange(req, attributes, ec); | |
90 | |
91 doc.appendChild(attributes); | |
86 | 92 |
87 return doc; | 93 return doc; |
88 } | 94 } |
89 | 95 |
90 | 96 |
92 * This method extracts the size (width/height) of a chart from request | 98 * This method extracts the size (width/height) of a chart from request |
93 * object and append those values - if they exist - to the attribute | 99 * object and append those values - if they exist - to the attribute |
94 * document used to adjust chart settings. | 100 * document used to adjust chart settings. |
95 * | 101 * |
96 * @param req The request object that might contain the chart size. | 102 * @param req The request object that might contain the chart size. |
97 * @param doc The attribute document used to adjust chart settings. | 103 * @param attributes The attributes element used to adjust chart settings. |
98 * @param ec The ElementCreator that might be used to create new Elements. | 104 * @param ec The ElementCreator that might be used to create new Elements. |
99 */ | 105 */ |
100 protected void appendChartSize( | 106 protected void appendChartSize( |
101 HttpServletRequest req, | 107 HttpServletRequest req, |
102 Document doc, | 108 Element attributes, |
103 ElementCreator ec) | 109 ElementCreator ec) |
104 { | 110 { |
105 Element size = ec.create("size"); | 111 Element size = ec.create("size"); |
106 | 112 |
107 String width = req.getParameter("width"); | 113 String width = req.getParameter("width"); |
113 } | 119 } |
114 | 120 |
115 ec.addAttr(size, "width", width, true); | 121 ec.addAttr(size, "width", width, true); |
116 ec.addAttr(size, "height", height, true); | 122 ec.addAttr(size, "height", height, true); |
117 | 123 |
118 doc.appendChild(size); | 124 attributes.appendChild(size); |
125 } | |
126 | |
127 | |
128 /** | |
129 * This method extracts the x range for the chart from request object and | |
130 * appends those range - if it exists - to the attribute document used to | |
131 * adjust the chart settings. | |
132 * | |
133 * @param req The request object that might contain the chart size. | |
134 * @param doc The attribute document used to adjust chart settings. | |
135 * @param ec The ElementCreator that might be used to create new Elements. | |
136 */ | |
137 protected void appendXRange( | |
138 HttpServletRequest req, | |
139 Element attributes, | |
140 ElementCreator ec) | |
141 { | |
142 Element range = ec.create("xrange"); | |
143 | |
144 String from = req.getParameter("minx"); | |
145 String to = req.getParameter("maxx"); | |
146 | |
147 if (from != null && to != null) { | |
148 ec.addAttr(range, "from", from, true); | |
149 ec.addAttr(range, "to", to, true); | |
150 | |
151 attributes.appendChild(range); | |
152 } | |
153 } | |
154 | |
155 | |
156 /** | |
157 * This method extracts the x range for the chart from request object and | |
158 * appends those range - if it exists - to the attribute document used to | |
159 * adjust the chart settings. | |
160 * | |
161 * @param req The request object that might contain the chart size. | |
162 * @param doc The attribute document used to adjust chart settings. | |
163 * @param ec The ElementCreator that might be used to create new Elements. | |
164 */ | |
165 protected void appendYRange( | |
166 HttpServletRequest req, | |
167 Element attributes, | |
168 ElementCreator ec) | |
169 { | |
170 Element range = ec.create("yrange"); | |
171 | |
172 String from = req.getParameter("miny"); | |
173 String to = req.getParameter("maxy"); | |
174 | |
175 if (from != null && to != null) { | |
176 ec.addAttr(range, "from", from, true); | |
177 ec.addAttr(range, "to", to, true); | |
178 | |
179 attributes.appendChild(range); | |
180 } | |
119 } | 181 } |
120 } | 182 } |
121 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 183 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |