1 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 * @fileoverview functions used in GIS data editor
9 var gisEditorLoaded = false;
12 * Closes the GIS data editor and perform necessary clean up work.
14 function closeGISEditor() {
15 $("#popup_background").fadeOut("fast");
16 $("#gis_editor").fadeOut("fast", function () {
22 * Prepares the HTML received via AJAX.
24 function prepareJSVersion() {
25 // Change the text on the submit button
26 $("#gis_editor").find("input[name='gis_data[save]']")
27 .val(PMA_messages.strCopy)
28 .insertAfter($('#gis_data_textarea'))
29 .before('<br/><br/>');
31 // Add close and cancel links
32 $('#gis_data_editor').prepend('<a class="close_gis_editor" href="#">' + PMA_messages.strClose + '</a>');
33 $('<a class="cancel_gis_editor" href="#"> ' + PMA_messages.strCancel + '</a>')
34 .insertAfter($("input[name='gis_data[save]']"));
36 // Remove the unnecessary text
37 $('div#gis_data_output p').remove();
39 // Remove 'add' buttons and add links
40 $('#gis_editor').find('input.add').each(function (e) {
41 var $button = $(this);
42 $button.addClass('addJs').removeClass('add');
43 var classes = $button.attr('class');
45 '<a class="' + classes +
46 '" name="' + $button.attr('name') +
47 '" href="#">+ ' + $button.val() + '</a>'
53 * Returns the HTML for a data point.
55 * @param pointNumber point number
56 * @param prefix prefix of the name
57 * @returns the HTML for a data point
59 function addDataPoint(pointNumber, prefix) {
61 PMA_sprintf(PMA_messages.strPointN, (pointNumber + 1)) + ': ' +
62 '<label for="x">' + PMA_messages.strX + '</label>' +
63 '<input type="text" name="' + prefix + '[' + pointNumber + '][x]" value=""/>' +
64 '<label for="y">' + PMA_messages.strY + '</label>' +
65 '<input type="text" name="' + prefix + '[' + pointNumber + '][y]" value=""/>';
69 * Initialize the visualization in the GIS data editor.
71 function initGISEditorVisualization() {
72 // Loads either SVG or OSM visualization based on the choice
73 selectVisualization();
74 // Adds necessary styles to the div that coontains the openStreetMap
76 // Loads the SVG element and make a reference to it
78 // Adds controllers for zooming and panning
79 addZoomPanControllers();
84 * Loads JavaScript files and the GIS editor.
86 * @param value current value of the geometry field
87 * @param field field name
88 * @param type geometry type
89 * @param input_name name of the input field
92 function loadJSAndGISEditor(value, field, type, input_name, token) {
93 var head = document.getElementsByTagName('head')[0];
96 // Loads a set of small JS file needed for the GIS editor
97 var smallScripts = [ 'js/jquery/jquery.svg.js',
98 'js/jquery/jquery.mousewheel.js',
99 'js/jquery/jquery.event.drag-2.2.js',
100 'js/tbl_gis_visualization.js' ];
102 for (var i = 0; i < smallScripts.length; i++) {
103 script = document.createElement('script');
104 script.type = 'text/javascript';
105 script.src = smallScripts[i];
106 head.appendChild(script);
109 // OpenLayers.js is BIG and takes time. So asynchronous loading would not work.
110 // Load the JS and do a callback to load the content for the GIS Editor.
111 script = document.createElement('script');
112 script.type = 'text/javascript';
114 script.onreadystatechange = function () {
115 if (this.readyState == 'complete') {
116 loadGISEditor(value, field, type, input_name, token);
119 script.onload = function () {
120 loadGISEditor(value, field, type, input_name, token);
123 script.src = 'js/openlayers/OpenLayers.js';
124 head.appendChild(script);
126 gisEditorLoaded = true;
130 * Loads the GIS editor via AJAX
132 * @param value current value of the geometry field
133 * @param field field name
134 * @param type geometry type
135 * @param input_name name of the input field
138 function loadGISEditor(value, field, type, input_name, token) {
140 var $gis_editor = $("#gis_editor");
141 $.post('gis_data_editor.php', {
145 'input_name' : input_name,
146 'get_gis_editor' : true,
150 if (typeof data !== 'undefined' && data.success === true) {
151 $gis_editor.html(data.gis_editor);
152 initGISEditorVisualization();
155 PMA_ajaxShowMessage(data.error, false);
161 * Opens up the dialog for the GIS data editor.
163 function openGISEditor() {
166 var windowWidth = document.documentElement.clientWidth;
167 var windowHeight = document.documentElement.clientHeight;
168 var popupWidth = windowWidth * 0.9;
169 var popupHeight = windowHeight * 0.9;
170 var popupOffsetTop = windowHeight / 2 - popupHeight / 2;
171 var popupOffsetLeft = windowWidth / 2 - popupWidth / 2;
173 var $gis_editor = $("#gis_editor");
174 var $backgrouond = $("#popup_background");
176 $gis_editor.css({"top": popupOffsetTop, "left": popupOffsetLeft, "width": popupWidth, "height": popupHeight});
177 $backgrouond.css({"opacity" : "0.7"});
180 '<div id="gis_data_editor">' +
181 '<img class="ajaxIcon" id="loadingMonitorIcon" src="' +
182 pmaThemeImage + 'ajax_clock_small.gif" alt=""/>' +
187 $backgrouond.fadeIn("fast");
188 $gis_editor.fadeIn("fast");
192 * Prepare and insert the GIS data in Well Known Text format
193 * to the input field.
195 function insertDataAndClose() {
196 var $form = $('form#gis_data_editor_form');
197 var input_name = $form.find("input[name='input_name']").val();
199 $.post('gis_data_editor.php', $form.serialize() + "&generate=true&ajax_request=true", function (data) {
200 if (typeof data !== 'undefined' && data.success === true) {
201 $("input[name='" + input_name + "']").val(data.result);
203 PMA_ajaxShowMessage(data.error, false);
210 * Unbind all event handlers before tearing down a page
212 AJAX.registerTeardown('gis_data_editor.js', function () {
213 $(document).off('click', "#gis_editor input[name='gis_data[save]']");
214 $(document).off('submit', '#gis_editor');
215 $(document).off('change', "#gis_editor input[type='text']");
216 $(document).off('change', "#gis_editor select.gis_type");
217 $(document).off('click', '#gis_editor a.close_gis_editor, #gis_editor a.cancel_gis_editor');
218 $(document).off('click', '#gis_editor a.addJs.addPoint');
219 $(document).off('click', '#gis_editor a.addLine.addJs');
220 $(document).off('click', '#gis_editor a.addJs.addPolygon');
221 $(document).off('click', '#gis_editor a.addJs.addGeom');
224 AJAX.registerOnload('gis_data_editor.js', function () {
226 // Remove the class that is added due to the URL being too long.
227 $('span.open_gis_editor a').removeClass('formLinkSubmit');
230 * Prepares and insert the GIS data to the input field on clicking 'copy'.
232 $(document).on('click', "#gis_editor input[name='gis_data[save]']", function (event) {
233 event.preventDefault();
234 insertDataAndClose();
238 * Prepares and insert the GIS data to the input field on pressing 'enter'.
240 $(document).on('submit', '#gis_editor', function (event) {
241 event.preventDefault();
242 insertDataAndClose();
246 * Trigger asynchronous calls on data change and update the output.
248 $(document).on('change', "#gis_editor input[type='text']", function () {
249 var $form = $('form#gis_data_editor_form');
250 $.post('gis_data_editor.php', $form.serialize() + "&generate=true&ajax_request=true", function (data) {
251 if (typeof data !== 'undefined' && data.success === true) {
252 $('#gis_data_textarea').val(data.result);
253 $('#placeholder').empty().removeClass('hasSVG').html(data.visualization);
254 $('#openlayersmap').empty();
255 /* TODO: the gis_data_editor should rather return JSON than JS code to eval */
256 eval(data.openLayers);
257 initGISEditorVisualization();
259 PMA_ajaxShowMessage(data.error, false);
265 * Update the form on change of the GIS type.
267 $(document).on('change', "#gis_editor select.gis_type", function (event) {
268 var $gis_editor = $("#gis_editor");
269 var $form = $('form#gis_data_editor_form');
271 $.post('gis_data_editor.php', $form.serialize() + "&get_gis_editor=true&ajax_request=true", function (data) {
272 if (typeof data !== 'undefined' && data.success === true) {
273 $gis_editor.html(data.gis_editor);
274 initGISEditorVisualization();
277 PMA_ajaxShowMessage(data.error, false);
283 * Handles closing of the GIS data editor.
285 $(document).on('click', '#gis_editor a.close_gis_editor, #gis_editor a.cancel_gis_editor', function () {
290 * Handles adding data points
292 $(document).on('click', '#gis_editor a.addJs.addPoint', function () {
294 var name = $a.attr('name');
295 // Eg. name = gis_data[0][MULTIPOINT][add_point] => prefix = gis_data[0][MULTIPOINT]
296 var prefix = name.substr(0, name.length - 11);
297 // Find the number of points
298 var $noOfPointsInput = $("input[name='" + prefix + "[no_of_points]" + "']");
299 var noOfPoints = parseInt($noOfPointsInput.val(), 10);
300 // Add the new data point
301 var html = addDataPoint(noOfPoints, prefix);
303 $noOfPointsInput.val(noOfPoints + 1);
307 * Handles adding linestrings and inner rings
309 $(document).on('click', '#gis_editor a.addLine.addJs', function () {
311 var name = $a.attr('name');
313 // Eg. name = gis_data[0][MULTILINESTRING][add_line] => prefix = gis_data[0][MULTILINESTRING]
314 var prefix = name.substr(0, name.length - 10);
315 var type = prefix.slice(prefix.lastIndexOf('[') + 1, prefix.lastIndexOf(']'));
317 // Find the number of lines
318 var $noOfLinesInput = $("input[name='" + prefix + "[no_of_lines]" + "']");
319 var noOfLines = parseInt($noOfLinesInput.val(), 10);
321 // Add the new linesting of inner ring based on the type
324 if (type == 'MULTILINESTRING') {
325 html += PMA_messages.strLineString + ' ' + (noOfLines + 1) + ':';
328 html += PMA_messages.strInnerRing + ' ' + noOfLines + ':';
331 html += '<input type="hidden" name="' + prefix + '[' + noOfLines + '][no_of_points]" value="' + noOfPoints + '"/>';
332 for (var i = 0; i < noOfPoints; i++) {
333 html += addDataPoint(i, (prefix + '[' + noOfLines + ']'));
335 html += '<a class="addPoint addJs" name="' + prefix + '[' + noOfLines + '][add_point]" href="#">+ ' +
336 PMA_messages.strAddPoint + '</a><br/>';
339 $noOfLinesInput.val(noOfLines + 1);
343 * Handles adding polygons
345 $(document).on('click', '#gis_editor a.addJs.addPolygon', function () {
347 var name = $a.attr('name');
348 // Eg. name = gis_data[0][MULTIPOLYGON][add_polygon] => prefix = gis_data[0][MULTIPOLYGON]
349 var prefix = name.substr(0, name.length - 13);
350 // Find the number of polygons
351 var $noOfPolygonsInput = $("input[name='" + prefix + "[no_of_polygons]" + "']");
352 var noOfPolygons = parseInt($noOfPolygonsInput.val(), 10);
354 // Add the new polygon
355 var html = PMA_messages.strPolygon + ' ' + (noOfPolygons + 1) + ':<br/>';
356 html += '<input type="hidden" name="' + prefix + '[' + noOfPolygons + '][no_of_lines]" value="1"/>' +
357 '<br/>' + PMA_messages.strOuterRing + ':' +
358 '<input type="hidden" name="' + prefix + '[' + noOfPolygons + '][0][no_of_points]" value="4"/>';
359 for (var i = 0; i < 4; i++) {
360 html += addDataPoint(i, (prefix + '[' + noOfPolygons + '][0]'));
362 html += '<a class="addPoint addJs" name="' + prefix + '[' + noOfPolygons + '][0][add_point]" href="#">+ ' +
363 PMA_messages.strAddPoint + '</a><br/>' +
364 '<a class="addLine addJs" name="' + prefix + '[' + noOfPolygons + '][add_line]" href="#">+ ' +
365 PMA_messages.strAddInnerRing + '</a><br/><br/>';
368 $noOfPolygonsInput.val(noOfPolygons + 1);
372 * Handles adding geoms
374 $(document).on('click', '#gis_editor a.addJs.addGeom', function () {
376 var prefix = 'gis_data[GEOMETRYCOLLECTION]';
377 // Find the number of geoms
378 var $noOfGeomsInput = $("input[name='" + prefix + "[geom_count]" + "']");
379 var noOfGeoms = parseInt($noOfGeomsInput.val(), 10);
381 var html1 = PMA_messages.strGeometry + ' ' + (noOfGeoms + 1) + ':<br/>';
382 var $geomType = $("select[name='gis_data[" + (noOfGeoms - 1) + "][gis_type]']").clone();
383 $geomType.attr('name', 'gis_data[' + noOfGeoms + '][gis_type]').val('POINT');
384 var html2 = '<br/>' + PMA_messages.strPoint + ' :' +
385 '<label for="x"> ' + PMA_messages.strX + ' </label>' +
386 '<input type="text" name="gis_data[' + noOfGeoms + '][POINT][x]" value=""/>' +
387 '<label for="y"> ' + PMA_messages.strY + ' </label>' +
388 '<input type="text" name="gis_data[' + noOfGeoms + '][POINT][y]" value=""/>' +
392 $geomType.insertBefore($a);
394 $noOfGeomsInput.val(noOfGeoms + 1);