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authorChris Schlaeger <chris@linux.com>2015-10-17 21:36:38 +0200
committerChris Schlaeger <chris@linux.com>2015-10-17 21:36:38 +0200
commite30f267181d990947e67909de4809fa941698c85 (patch)
tree46e9f94c2b3699ed378963b420b8a8d361286ea1 /misc/openlayers/lib/OpenLayers/Format/Text.js
parente763ceb183f389fcd314a4a6a712d87c9d4cdb32 (diff)
downloadpostrunner-e30f267181d990947e67909de4809fa941698c85.zip
Upgrading openlayers to 3.x
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-/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
- * full list of contributors). Published under the 2-clause BSD license.
- * See license.txt in the OpenLayers distribution or repository for the
- * full text of the license. */
-
-/**
- * @requires OpenLayers/Feature/Vector.js
- * @requires OpenLayers/Geometry/Point.js
- */
-
-/**
- * Class: OpenLayers.Format.Text
- * Read Text format. Create a new instance with the <OpenLayers.Format.Text>
- * constructor. This reads text which is formatted like CSV text, using
- * tabs as the seperator by default. It provides parsing of data originally
- * used in the MapViewerService, described on the wiki. This Format is used
- * by the <OpenLayers.Layer.Text> class.
- *
- * Inherits from:
- * - <OpenLayers.Format>
- */
-OpenLayers.Format.Text = OpenLayers.Class(OpenLayers.Format, {
-
- /**
- * APIProperty: defaultStyle
- * defaultStyle allows one to control the default styling of the features.
- * It should be a symbolizer hash. By default, this is set to match the
- * Layer.Text behavior, which is to use the default OpenLayers Icon.
- */
- defaultStyle: null,
-
- /**
- * APIProperty: extractStyles
- * set to true to extract styles from the TSV files, using information
- * from the image or icon, iconSize and iconOffset fields. This will result
- * in features with a symbolizer (style) property set, using the
- * default symbolizer specified in <defaultStyle>. Set to false if you
- * wish to use a styleMap or OpenLayers.Style options to style your
- * layer instead.
- */
- extractStyles: true,
-
- /**
- * Constructor: OpenLayers.Format.Text
- * Create a new parser for TSV Text.
- *
- * Parameters:
- * options - {Object} An optional object whose properties will be set on
- * this instance.
- */
- initialize: function(options) {
- options = options || {};
-
- if(options.extractStyles !== false) {
- options.defaultStyle = {
- 'externalGraphic': OpenLayers.Util.getImageLocation("marker.png"),
- 'graphicWidth': 21,
- 'graphicHeight': 25,
- 'graphicXOffset': -10.5,
- 'graphicYOffset': -12.5
- };
- }
-
- OpenLayers.Format.prototype.initialize.apply(this, [options]);
- },
-
- /**
- * APIMethod: read
- * Return a list of features from a Tab Seperated Values text string.
- *
- * Parameters:
- * text - {String}
- *
- * Returns:
- * Array({<OpenLayers.Feature.Vector>})
- */
- read: function(text) {
- var lines = text.split('\n');
- var columns;
- var features = [];
- // length - 1 to allow for trailing new line
- for (var lcv = 0; lcv < (lines.length - 1); lcv++) {
- var currLine = lines[lcv].replace(/^\s*/,'').replace(/\s*$/,'');
-
- if (currLine.charAt(0) != '#') { /* not a comment */
-
- if (!columns) {
- //First line is columns
- columns = currLine.split('\t');
- } else {
- var vals = currLine.split('\t');
- var geometry = new OpenLayers.Geometry.Point(0,0);
- var attributes = {};
- var style = this.defaultStyle ?
- OpenLayers.Util.applyDefaults({}, this.defaultStyle) :
- null;
- var icon, iconSize, iconOffset, overflow;
- var set = false;
- for (var valIndex = 0; valIndex < vals.length; valIndex++) {
- if (vals[valIndex]) {
- if (columns[valIndex] == 'point') {
- var coords = vals[valIndex].split(',');
- geometry.y = parseFloat(coords[0]);
- geometry.x = parseFloat(coords[1]);
- set = true;
- } else if (columns[valIndex] == 'lat') {
- geometry.y = parseFloat(vals[valIndex]);
- set = true;
- } else if (columns[valIndex] == 'lon') {
- geometry.x = parseFloat(vals[valIndex]);
- set = true;
- } else if (columns[valIndex] == 'title')
- attributes['title'] = vals[valIndex];
- else if (columns[valIndex] == 'image' ||
- columns[valIndex] == 'icon' && style) {
- style['externalGraphic'] = vals[valIndex];
- } else if (columns[valIndex] == 'iconSize' && style) {
- var size = vals[valIndex].split(',');
- style['graphicWidth'] = parseFloat(size[0]);
- style['graphicHeight'] = parseFloat(size[1]);
- } else if (columns[valIndex] == 'iconOffset' && style) {
- var offset = vals[valIndex].split(',');
- style['graphicXOffset'] = parseFloat(offset[0]);
- style['graphicYOffset'] = parseFloat(offset[1]);
- } else if (columns[valIndex] == 'description') {
- attributes['description'] = vals[valIndex];
- } else if (columns[valIndex] == 'overflow') {
- attributes['overflow'] = vals[valIndex];
- } else {
- // For StyleMap filtering, allow additional
- // columns to be stored as attributes.
- attributes[columns[valIndex]] = vals[valIndex];
- }
- }
- }
- if (set) {
- if (this.internalProjection && this.externalProjection) {
- geometry.transform(this.externalProjection,
- this.internalProjection);
- }
- var feature = new OpenLayers.Feature.Vector(geometry, attributes, style);
- features.push(feature);
- }
- }
- }
- }
- return features;
- },
-
- CLASS_NAME: "OpenLayers.Format.Text"
-});