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368 lines
13 KiB
368 lines
13 KiB
2 years ago
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/**
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* @fileoverview functions used in GIS data editor
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*
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* @requires jQuery
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*
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*/
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/* global addZoomPanControllers, storeGisSvgRef, selectVisualization, styleOSM, zoomAndPan */
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// js/table/gis_visualization.js
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/* global themeImagePath */
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// templates/javascript/variables.twig
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// eslint-disable-next-line no-unused-vars
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var gisEditorLoaded = false;
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/**
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* Closes the GIS data editor and perform necessary clean up work.
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*/
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function closeGISEditor() {
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$('#popup_background').fadeOut('fast');
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$('#gis_editor').fadeOut('fast', function () {
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$(this).empty();
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});
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}
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/**
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* Prepares the HTML received via AJAX.
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*/
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function prepareJSVersion() {
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// Change the text on the submit button
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$('#gis_editor').find('input[name=\'gis_data[save]\']').val(Messages.strCopy).insertAfter($('#gis_data_textarea')).before('<br><br>'); // Add close and cancel links
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$('#gis_data_editor').prepend('<a class="close_gis_editor" href="#">' + Messages.strClose + '</a>');
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$('<a class="cancel_gis_editor" href="#"> ' + Messages.strCancel + '</a>').insertAfter($('input[name=\'gis_data[save]\']')); // Remove the unnecessary text
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$('div#gis_data_output p').remove(); // Remove 'add' buttons and add links
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$('#gis_editor').find('input.add').each(function () {
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var $button = $(this);
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$button.addClass('addJs').removeClass('add');
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var classes = $button.attr('class');
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$button.replaceWith('<a class="' + classes + '" name="' + $button.attr('name') + '" href="#">+ ' + $button.val() + '</a>');
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});
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}
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/**
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* Returns the HTML for a data point.
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*
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* @param {number} pointNumber point number
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* @param {string} prefix prefix of the name
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* @return {string} the HTML for a data point
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*/
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function addDataPoint(pointNumber, prefix) {
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return '<br>' + Functions.sprintf(Messages.strPointN, pointNumber + 1) + ': ' + '<label for="x">' + Messages.strX + '</label>' + '<input type="text" name="' + prefix + '[' + pointNumber + '][x]" value="">' + '<label for="y">' + Messages.strY + '</label>' + '<input type="text" name="' + prefix + '[' + pointNumber + '][y]" value="">';
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}
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/**
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* Initialize the visualization in the GIS data editor.
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*/
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function initGISEditorVisualization() {
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storeGisSvgRef(); // Loads either SVG or OSM visualization based on the choice
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selectVisualization(); // Adds necessary styles to the div that contains the openStreetMap
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styleOSM(); // Adds controllers for zooming and panning
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addZoomPanControllers();
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zoomAndPan();
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}
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/**
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* Loads JavaScript files and the GIS editor.
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*
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* @param value current value of the geometry field
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* @param field field name
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* @param type geometry type
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* @param inputName name of the input field
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* @param token token
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*/
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// eslint-disable-next-line no-unused-vars
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function loadJSAndGISEditor(value, field, type, inputName) {
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var head = document.getElementsByTagName('head')[0];
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var script;
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script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = 'js/dist/table/gis_visualization.js';
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head.appendChild(script); // OpenLayers.js is BIG and takes time. So asynchronous loading would not work.
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// Load the JS and do a callback to load the content for the GIS Editor.
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script = document.createElement('script');
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script.type = 'text/javascript';
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script.onreadystatechange = function () {
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if (this.readyState === 'complete') {
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loadGISEditor(value, field, type, inputName);
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}
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};
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script.onload = function () {
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loadGISEditor(value, field, type, inputName);
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};
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script.onerror = function () {
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loadGISEditor(value, field, type, inputName);
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};
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script.src = 'js/vendor/openlayers/OpenLayers.js';
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head.appendChild(script);
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gisEditorLoaded = true;
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}
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/**
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* Loads the GIS editor via AJAX
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*
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* @param value current value of the geometry field
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* @param field field name
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* @param type geometry type
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* @param inputName name of the input field
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*/
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function loadGISEditor(value, field, type, inputName) {
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var $gisEditor = $('#gis_editor');
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$.post('index.php?route=/gis-data-editor', {
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'field': field,
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'value': value,
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'type': type,
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'input_name': inputName,
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'get_gis_editor': true,
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'ajax_request': true,
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'server': CommonParams.get('server')
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}, function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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$gisEditor.html(data.gis_editor);
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initGISEditorVisualization();
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prepareJSVersion();
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} else {
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Functions.ajaxShowMessage(data.error, false);
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}
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}, 'json');
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}
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/**
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* Opens up the dialog for the GIS data editor.
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*/
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// eslint-disable-next-line no-unused-vars
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function openGISEditor() {
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// Center the popup
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var windowWidth = document.documentElement.clientWidth;
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var windowHeight = document.documentElement.clientHeight;
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var popupWidth = windowWidth * 0.9;
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var popupHeight = windowHeight * 0.9;
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var popupOffsetTop = windowHeight / 2 - popupHeight / 2;
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var popupOffsetLeft = windowWidth / 2 - popupWidth / 2;
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var $gisEditor = $('#gis_editor');
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var $background = $('#popup_background');
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$gisEditor.css({
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'top': popupOffsetTop,
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'left': popupOffsetLeft,
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'width': popupWidth,
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'height': popupHeight
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});
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$background.css({
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'opacity': '0.7'
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});
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$gisEditor.append('<div id="gis_data_editor">' + '<img class="ajaxIcon" id="loadingMonitorIcon" src="' + themeImagePath + 'ajax_clock_small.gif" alt="">' + '</div>'); // Make it appear
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$background.fadeIn('fast');
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$gisEditor.fadeIn('fast');
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}
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/**
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* Prepare and insert the GIS data in Well Known Text format
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* to the input field.
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*/
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function insertDataAndClose() {
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var $form = $('form#gis_data_editor_form');
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var inputName = $form.find('input[name=\'input_name\']').val();
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var argsep = CommonParams.get('arg_separator');
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$.post('index.php?route=/gis-data-editor', $form.serialize() + argsep + 'generate=true' + argsep + 'ajax_request=true', function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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$('input[name=\'' + inputName + '\']').val(data.result);
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} else {
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Functions.ajaxShowMessage(data.error, false);
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}
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}, 'json');
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closeGISEditor();
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}
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/**
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* Unbind all event handlers before tearing down a page
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*/
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AJAX.registerTeardown('gis_data_editor.js', function () {
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$(document).off('click', '#gis_editor input[name=\'gis_data[save]\']');
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$(document).off('submit', '#gis_editor');
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$(document).off('change', '#gis_editor input[type=\'text\']');
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$(document).off('change', '#gis_editor select.gis_type');
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$(document).off('click', '#gis_editor a.close_gis_editor, #gis_editor a.cancel_gis_editor');
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$(document).off('click', '#gis_editor a.addJs.addPoint');
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$(document).off('click', '#gis_editor a.addLine.addJs');
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$(document).off('click', '#gis_editor a.addJs.addPolygon');
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$(document).off('click', '#gis_editor a.addJs.addGeom');
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});
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AJAX.registerOnload('gis_data_editor.js', function () {
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/**
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* Prepares and insert the GIS data to the input field on clicking 'copy'.
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*/
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$(document).on('click', '#gis_editor input[name=\'gis_data[save]\']', function (event) {
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event.preventDefault();
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insertDataAndClose();
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});
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/**
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* Prepares and insert the GIS data to the input field on pressing 'enter'.
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*/
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$(document).on('submit', '#gis_editor', function (event) {
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event.preventDefault();
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insertDataAndClose();
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});
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/**
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* Trigger asynchronous calls on data change and update the output.
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*/
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$(document).on('change', '#gis_editor input[type=\'text\']', function () {
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var $form = $('form#gis_data_editor_form');
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var argsep = CommonParams.get('arg_separator');
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$.post('index.php?route=/gis-data-editor', $form.serialize() + argsep + 'generate=true' + argsep + 'ajax_request=true', function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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$('#gis_data_textarea').val(data.result);
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$('#placeholder').empty().removeClass('hasSVG').html(data.visualization);
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$('#openlayersmap').empty();
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/* TODO: the gis_data_editor should rather return JSON than JS code to eval */
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// eslint-disable-next-line no-eval
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eval(data.openLayers);
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initGISEditorVisualization();
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} else {
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Functions.ajaxShowMessage(data.error, false);
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}
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}, 'json');
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});
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/**
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* Update the form on change of the GIS type.
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*/
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$(document).on('change', '#gis_editor select.gis_type', function () {
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var $gisEditor = $('#gis_editor');
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var $form = $('form#gis_data_editor_form');
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var argsep = CommonParams.get('arg_separator');
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$.post('index.php?route=/gis-data-editor', $form.serialize() + argsep + 'get_gis_editor=true' + argsep + 'ajax_request=true', function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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$gisEditor.html(data.gis_editor);
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initGISEditorVisualization();
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prepareJSVersion();
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} else {
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Functions.ajaxShowMessage(data.error, false);
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}
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}, 'json');
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});
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/**
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* Handles closing of the GIS data editor.
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*/
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$(document).on('click', '#gis_editor a.close_gis_editor, #gis_editor a.cancel_gis_editor', function () {
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closeGISEditor();
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});
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/**
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* Handles adding data points
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*/
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$(document).on('click', '#gis_editor a.addJs.addPoint', function () {
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var $a = $(this);
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var name = $a.attr('name'); // Eg. name = gis_data[0][MULTIPOINT][add_point] => prefix = gis_data[0][MULTIPOINT]
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var prefix = name.substr(0, name.length - 11); // Find the number of points
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var $noOfPointsInput = $('input[name=\'' + prefix + '[no_of_points]' + '\']');
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var noOfPoints = parseInt($noOfPointsInput.val(), 10); // Add the new data point
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var html = addDataPoint(noOfPoints, prefix);
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$a.before(html);
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$noOfPointsInput.val(noOfPoints + 1);
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});
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/**
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* Handles adding linestrings and inner rings
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*/
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$(document).on('click', '#gis_editor a.addLine.addJs', function () {
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var $a = $(this);
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var name = $a.attr('name'); // Eg. name = gis_data[0][MULTILINESTRING][add_line] => prefix = gis_data[0][MULTILINESTRING]
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var prefix = name.substr(0, name.length - 10);
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var type = prefix.slice(prefix.lastIndexOf('[') + 1, prefix.lastIndexOf(']')); // Find the number of lines
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var $noOfLinesInput = $('input[name=\'' + prefix + '[no_of_lines]' + '\']');
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var noOfLines = parseInt($noOfLinesInput.val(), 10); // Add the new linesting of inner ring based on the type
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var html = '<br>';
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var noOfPoints;
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if (type === 'MULTILINESTRING') {
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html += Messages.strLineString + ' ' + (noOfLines + 1) + ':';
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noOfPoints = 2;
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} else {
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html += Messages.strInnerRing + ' ' + noOfLines + ':';
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noOfPoints = 4;
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}
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html += '<input type="hidden" name="' + prefix + '[' + noOfLines + '][no_of_points]" value="' + noOfPoints + '">';
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for (var i = 0; i < noOfPoints; i++) {
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html += addDataPoint(i, prefix + '[' + noOfLines + ']');
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}
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html += '<a class="addPoint addJs" name="' + prefix + '[' + noOfLines + '][add_point]" href="#">+ ' + Messages.strAddPoint + '</a><br>';
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$a.before(html);
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$noOfLinesInput.val(noOfLines + 1);
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});
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/**
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* Handles adding polygons
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*/
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$(document).on('click', '#gis_editor a.addJs.addPolygon', function () {
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var $a = $(this);
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var name = $a.attr('name'); // Eg. name = gis_data[0][MULTIPOLYGON][add_polygon] => prefix = gis_data[0][MULTIPOLYGON]
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var prefix = name.substr(0, name.length - 13); // Find the number of polygons
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var $noOfPolygonsInput = $('input[name=\'' + prefix + '[no_of_polygons]' + '\']');
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var noOfPolygons = parseInt($noOfPolygonsInput.val(), 10); // Add the new polygon
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var html = Messages.strPolygon + ' ' + (noOfPolygons + 1) + ':<br>';
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html += '<input type="hidden" name="' + prefix + '[' + noOfPolygons + '][no_of_lines]" value="1">' + '<br>' + Messages.strOuterRing + ':' + '<input type="hidden" name="' + prefix + '[' + noOfPolygons + '][0][no_of_points]" value="4">';
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for (var i = 0; i < 4; i++) {
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html += addDataPoint(i, prefix + '[' + noOfPolygons + '][0]');
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}
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||
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html += '<a class="addPoint addJs" name="' + prefix + '[' + noOfPolygons + '][0][add_point]" href="#">+ ' + Messages.strAddPoint + '</a><br>' + '<a class="addLine addJs" name="' + prefix + '[' + noOfPolygons + '][add_line]" href="#">+ ' + Messages.strAddInnerRing + '</a><br><br>';
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$a.before(html);
|
||
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$noOfPolygonsInput.val(noOfPolygons + 1);
|
||
|
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});
|
||
|
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/**
|
||
|
|
* Handles adding geoms
|
||
|
|
*/
|
||
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|
|
||
|
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$(document).on('click', '#gis_editor a.addJs.addGeom', function () {
|
||
|
|
var $a = $(this);
|
||
|
|
var prefix = 'gis_data[GEOMETRYCOLLECTION]'; // Find the number of geoms
|
||
|
|
|
||
|
|
var $noOfGeomsInput = $('input[name=\'' + prefix + '[geom_count]' + '\']');
|
||
|
|
var noOfGeoms = parseInt($noOfGeomsInput.val(), 10);
|
||
|
|
var html1 = Messages.strGeometry + ' ' + (noOfGeoms + 1) + ':<br>';
|
||
|
|
var $geomType = $('select[name=\'gis_data[' + (noOfGeoms - 1) + '][gis_type]\']').clone();
|
||
|
|
$geomType.attr('name', 'gis_data[' + noOfGeoms + '][gis_type]').val('POINT');
|
||
|
|
var html2 = '<br>' + Messages.strPoint + ' :' + '<label for="x"> ' + Messages.strX + ' </label>' + '<input type="text" name="gis_data[' + noOfGeoms + '][POINT][x]" value="">' + '<label for="y"> ' + Messages.strY + ' </label>' + '<input type="text" name="gis_data[' + noOfGeoms + '][POINT][y]" value="">' + '<br><br>';
|
||
|
|
$a.before(html1);
|
||
|
|
$geomType.insertBefore($a);
|
||
|
|
$a.before(html2);
|
||
|
|
$noOfGeomsInput.val(noOfGeoms + 1);
|
||
|
|
});
|
||
|
|
});
|