acc96324c5
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11786 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
119 lines
3.6 KiB
JavaScript
119 lines
3.6 KiB
JavaScript
/* Copyright (c) 2006-2011 by OpenLayers Contributors (see authors.txt for
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* full list of contributors). Published under the Clear BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/license.txt for the
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* full text of the license. */
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/**
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* @requires OpenLayers/Format/XML.js
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*/
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/**
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* Class: OpenLayers.Format.XLS
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* Read/Wite XLS (OpenLS). Create a new instance with the <OpenLayers.Format.XLS>
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* constructor. Currently only implemented for Location Utility Services, more
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* specifically only for Geocoding. No support for Reverse Geocoding as yet.
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*
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* Inherits from:
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* - <OpenLayers.Format.XML>
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*/
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OpenLayers.Format.XLS = OpenLayers.Class(OpenLayers.Format.XML, {
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/**
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* APIProperty: defaultVersion
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* {String} Version number to assume if none found. Default is "1.1.0".
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*/
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defaultVersion: "1.1.0",
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/**
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* APIProperty: version
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* {String} Specify a version string if one is known.
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*/
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version: null,
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/**
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* Property: parser
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* {Object} Instance of the versioned parser. Cached for multiple read and
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* write calls of the same version.
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*/
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parser: null,
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/**
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* Constructor: OpenLayers.Format.XLS
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* Create a new parser for XLS.
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*
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* Parameters:
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* options - {Object} An optional object whose properties will be set on
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* this instance.
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*/
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initialize: function(options) {
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OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
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},
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/**
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* APIMethod: write
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* Write out an XLS request.
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*
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* Parameters:
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* request - {Object} An object representing the LUS request.
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* options - {Object} Optional configuration object.
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*
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* Returns:
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* {String} An XLS document string.
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*/
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write: function(request, options) {
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var version = (options && options.version) ||
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this.version || this.defaultVersion;
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if(!this.parser || this.parser.VERSION != version) {
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var format = OpenLayers.Format.XLS[
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"v" + version.replace(/\./g, "_")
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];
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if(!format) {
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throw "Can't find an XLS parser for version " +
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version;
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}
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this.parser = new format(this.options);
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}
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var root = this.parser.write(request);
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return OpenLayers.Format.XML.prototype.write.apply(this, [root]);
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},
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/**
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* APIMethod: read
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* Read an XLS doc and return an object representing the result.
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*
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* Parameters:
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* data - {String | DOMElement} Data to read.
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* options - {Object} Options for the reader.
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*
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* Returns:
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* {Object} An object representing the GeocodeResponse.
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*/
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read: function(data, options) {
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if(typeof data == "string") {
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data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
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}
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var root = data.documentElement;
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var version = this.version;
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if(!version) {
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version = root.getAttribute("version");
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if(!version) {
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version = this.defaultVersion;
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}
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}
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if(!this.parser || this.parser.VERSION != version) {
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var format = OpenLayers.Format.XLS[
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"v" + version.replace(/\./g, "_")
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];
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if(!format) {
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throw "Can't find an XLS parser for version " +
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version;
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}
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this.parser = new format(this.options);
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}
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var xls = this.parser.read(data, options);
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return xls;
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},
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CLASS_NAME: "OpenLayers.Format.XLS"
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});
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