1 | /** |
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2 | * Copyright (c) 2008-2010 The Open Source Geospatial Foundation |
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3 | * |
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4 | * Published under the BSD license. |
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5 | * See http://svn.geoext.org/core/trunk/geoext/license.txt for the full text |
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6 | * of the license. |
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7 | */ |
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8 | |
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9 | /** api: (define) |
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10 | * module = GeoExt.data |
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11 | * class = FeatureRecord |
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12 | * base_link = `Ext.data.Record <http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.Record>`_ |
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13 | */ |
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14 | Ext.namespace("GeoExt.data"); |
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15 | |
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16 | /** api: constructor |
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17 | * .. class:: FeatureRecord |
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18 | * |
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19 | * A record that represents an ``OpenLayers.Feature.Vector``. This record |
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20 | * will always have at least the following fields: |
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21 | * |
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22 | * * state ``String`` |
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23 | * * fid ``String`` |
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24 | * |
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25 | */ |
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26 | GeoExt.data.FeatureRecord = Ext.data.Record.create([ |
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27 | {name: "feature"}, {name: "state"}, {name: "fid"} |
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28 | ]); |
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29 | |
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30 | /** api: method[getFeature] |
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31 | * :return: ``OpenLayers.Feature.Vector`` |
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32 | * |
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33 | * Gets the feature for this record. |
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34 | */ |
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35 | GeoExt.data.FeatureRecord.prototype.getFeature = function() { |
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36 | return this.get("feature"); |
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37 | }; |
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38 | |
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39 | /** api: method[setLayer] |
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40 | * :param layer: ``OpenLayers.Feature.Vector`` |
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41 | * |
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42 | * Sets the feature for this record. |
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43 | */ |
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44 | GeoExt.data.FeatureRecord.prototype.setFeature = function(feature) { |
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45 | if (feature !== this.data.feature) { |
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46 | this.dirty = true; |
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47 | if (!this.modified) { |
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48 | this.modified = {}; |
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49 | } |
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50 | if (this.modified.feature === undefined) { |
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51 | this.modified.feature = this.data.feature; |
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52 | } |
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53 | this.data.feature = feature; |
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54 | if (!this.editing){ |
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55 | this.afterEdit(); |
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56 | } |
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57 | } |
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58 | }; |
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59 | |
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60 | /** api: classmethod[create] |
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61 | * :param o: ``Array`` Field definition as in ``Ext.data.Record.create``. Can |
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62 | * be omitted if no additional fields are required. |
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63 | * :return: ``Function`` A specialized :class:`GeoExt.data.FeatureRecord` |
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64 | * constructor. |
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65 | * |
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66 | * Creates a constructor for a :class:`GeoExt.data.FeatureRecord`, optionally |
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67 | * with additional fields. |
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68 | */ |
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69 | GeoExt.data.FeatureRecord.create = function(o) { |
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70 | var f = Ext.extend(GeoExt.data.FeatureRecord, {}); |
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71 | var p = f.prototype; |
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72 | |
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73 | p.fields = new Ext.util.MixedCollection(false, function(field) { |
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74 | return field.name; |
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75 | }); |
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76 | |
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77 | GeoExt.data.FeatureRecord.prototype.fields.each(function(f) { |
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78 | p.fields.add(f); |
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79 | }); |
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80 | |
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81 | if(o) { |
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82 | for(var i = 0, len = o.length; i < len; i++){ |
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83 | p.fields.add(new Ext.data.Field(o[i])); |
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84 | } |
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85 | } |
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86 | |
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87 | f.getField = function(name) { |
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88 | return p.fields.get(name); |
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89 | }; |
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90 | |
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91 | return f; |
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92 | }; |
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