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87 lines
3.1 KiB
Markdown
87 lines
3.1 KiB
Markdown
# Implementing custom storage
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To implement a custom backend, you need to create your own implementation of the mindplot.PersistenceManager class.
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Here is an example skeleton::
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function createStorageManager(mindplot) {
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mindplot.RestStorageManager = new Class({
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Extends:mindplot.PersistenceManager,
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initialize: function(url) {
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this.parent();
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this.backendUrl = url;
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},
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saveMapXml : function(mapId, mapXml, pref, saveHistory, events) {
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var url = this.backendUrl + mapId;
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$.ajax({
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url: url,
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method: 'post',
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async: false,
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success: function(responseText) {
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events.onSuccess();
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},
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onError: function (text, error) {
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console.log("Error saving mindmap to: " + url, text, error);
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events.onError();
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}
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});
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},
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loadMapDom : function(mapId) {
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var xml;
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$.ajax({
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url: this.backendUrl + mapId,
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method: 'get',
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async: false,
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success: function(responseText) {
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xml = responseText;
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}
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});
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// If I could not load it from a file, hard code one.
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if (xml == null) {
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throw "Map could not be loaded";
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}
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var parser = new DOMParser();
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return parser.parseFromString(xml, "text/xml");
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}
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}
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);
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return new mindplot.RestStorageManager(url);
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}
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In your script for loading the mindmap you add a call to the callback into the loadcomplete method::
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$(document).on('loadcomplete', function(resource) {
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//Asset.javascript("{{ asset('bundles/fpgadmin/js/FpgMindmapPersistence.js')}}");
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// Options has been defined in by a external ile ?
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var options = {
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'persistenceManager' : createStorageManager(mindplot, "http://localhost/my/rest/interface");
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viewPort: {
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height: parseInt(window.innerHeight - 70), // Footer and Header
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width: parseInt(window.innerWidth)
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},
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size : {
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height: parseInt(screen.height),
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width: parseInt(screen.width)
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},
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"readOnly":false,
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"zoom":1.3,
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"container":"mindplot"
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"mapId" : "myMapId"
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};
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var designer = buildDesigner(options);
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var persistence = mindplot.PersistenceManager.getInstance();
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var mindmap;
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try {
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mindmap = persistence.load(mapId);
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} catch(e) {
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// If the map could not be loaded, create a new empty map...
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mindmap = mindplot.model.Mindmap.buildEmpty(mapId);
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}
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designer.loadMap(mindmap);
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});
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