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1 /*global jQuery */
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2 // wrap in IIFE and pass jQuery as $
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3 (function ($, undefined) {
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4 "use strict";
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5
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6 // some private plugin stuff if needed
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7 var private_var = null;
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8
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9 // extending the defaults
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10 $.jstree.defaults.sample = {
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11 sample_option : 'sample_val'
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12 };
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13
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14 // the actual plugin code
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15 $.jstree.plugins.sample = function (options, parent) {
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16 // own function
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17 this.sample_function = function (arg) {
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18 // you can chain this method if needed and available
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19 if(parent.sample_function) { parent.sample_function.call(this, arg); }
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20 };
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21
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22 // *SPECIAL* FUNCTIONS
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23 this.init = function (el, options) {
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24 // do not forget parent
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25 parent.init.call(this, el, options);
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26 };
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27 // bind events if needed
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28 this.bind = function () {
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29 // call parent function first
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30 parent.bind.call(this);
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31 // do(stuff);
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32 };
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33 // unbind events if needed (all in jquery namespace are taken care of by the core)
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34 this.unbind = function () {
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35 // do(stuff);
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36 // call parent function last
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37 parent.unbind.call(this);
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38 };
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39 this.teardown = function () {
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40 // do not forget parent
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41 parent.teardown.call(this);
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42 };
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43 // state management - get and restore
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44 this.get_state = function () {
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45 // always get state from parent first
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46 var state = parent.get_state.call(this);
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47 // add own stuff to state
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48 state.sample = { 'var' : 'val' };
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49 return state;
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50 };
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51 this.set_state = function (state, callback) {
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52 // only process your part if parent returns true
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53 // there will be multiple times with false
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54 if(parent.set_state.call(this, state, callback)) {
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55 // check the key you set above
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56 if(state.sample) {
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57 // do(stuff); // like calling this.sample_function(state.sample.var);
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58 // remove your part of the state, call again and RETURN FALSE, the next cycle will be TRUE
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59 delete state.sample;
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60 this.set_state(state, callback);
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61 return false;
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62 }
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63 // return true if your state is gone (cleared in the previous step)
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64 return true;
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65 }
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66 // parent was false - return false too
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67 return false;
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68 };
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69 // node transportation
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70 this.get_json = function (obj, options, flat) {
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71 // get the node from the parent
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72 var tmp = parent.get_json.call(this, obj, options, flat), i, j;
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73 if($.isArray(tmp)) {
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74 for(i = 0, j = tmp.length; i < j; i++) {
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75 tmp[i].sample = 'value';
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76 }
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77 }
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78 else {
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79 tmp.sample = 'value';
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80 }
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81 // return the original / modified node
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82 return tmp;
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83 };
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84 };
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85
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86 // attach to document ready if needed
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87 $(function () {
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88 // do(stuff);
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89 });
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90
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91 // you can include the sample plugin in all instances by default
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92 $.jstree.defaults.plugins.push("sample");
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93 })(jQuery); |
