dgate 2.1.0

DGate API Gateway - High-performance API gateway with JavaScript module support
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

import * as is from '../is';

const elesfn = {};

function defineSwitchFunction( params ){
  return function(){
    let args = arguments;
    let changedEles = [];

    // e.g. cy.nodes().select( data, handler )
    if( args.length === 2 ){
      let data = args[0];
      let handler = args[1];
      this.on( params.event, data, handler );
    }

    // e.g. cy.nodes().select( handler )
    else if( args.length === 1 && is.fn(args[0]) ){
      let handler = args[0];
      this.on( params.event, handler );
    }

    // e.g. cy.nodes().select()
    // e.g. (private) cy.nodes().select(['tapselect'])
    else if( args.length === 0 || (args.length === 1 && is.array(args[0])) ){
      let addlEvents = args.length === 1 ? args[0] : null;

      for( let i = 0; i < this.length; i++ ){
        let ele = this[ i ];
        let able = !params.ableField || ele._private[ params.ableField ];
        let changed = ele._private[ params.field ] != params.value;

        if( params.overrideAble ){
          let overrideAble = params.overrideAble( ele );

          if( overrideAble !== undefined ){
            able = overrideAble;

            if( !overrideAble ){ return this; } // to save cycles assume not able for all on override
          }
        }

        if( able ){
          ele._private[ params.field ] = params.value;

          if( changed ){
            changedEles.push( ele );
          }
        }
      }

      let changedColl = this.spawn( changedEles );
      changedColl.updateStyle(); // change of state => possible change of style
      changedColl.emit( params.event );

      if( addlEvents ){
        changedColl.emit( addlEvents );
      }
    }

    return this;
  };
}

function defineSwitchSet( params ){
  elesfn[ params.field ] = function(){
    let ele = this[0];

    if( ele ){
      if( params.overrideField ){
        let val = params.overrideField( ele );

        if( val !== undefined ){
          return val;
        }
      }

      return ele._private[ params.field ];
    }
  };

  elesfn[ params.on ] = defineSwitchFunction( {
    event: params.on,
    field: params.field,
    ableField: params.ableField,
    overrideAble: params.overrideAble,
    value: true
  } );

  elesfn[ params.off ] = defineSwitchFunction( {
    event: params.off,
    field: params.field,
    ableField: params.ableField,
    overrideAble: params.overrideAble,
    value: false
  } );
}

defineSwitchSet( {
  field: 'locked',
  overrideField: function( ele ){
    return ele.cy().autolock() ? true : undefined;
  },
  on: 'lock',
  off: 'unlock'
} );

defineSwitchSet( {
  field: 'grabbable',
  overrideField: function( ele ){
    return ele.cy().autoungrabify() || ele.pannable() ? false : undefined;
  },
  on: 'grabify',
  off: 'ungrabify'
} );

defineSwitchSet( {
  field: 'selected',
  ableField: 'selectable',
  overrideAble: function( ele ){
    return ele.cy().autounselectify() ? false : undefined;
  },
  on: 'select',
  off: 'unselect'
} );

defineSwitchSet( {
  field: 'selectable',
  overrideField: function( ele ){
    return ele.cy().autounselectify() ? false : undefined;
  },
  on: 'selectify',
  off: 'unselectify'
} );

elesfn.deselect = elesfn.unselect;

elesfn.grabbed = function(){
  let ele = this[0];
  if( ele ){
    return ele._private.grabbed;
  }
};

defineSwitchSet( {
  field: 'active',
  on: 'activate',
  off: 'unactivate'
} );

defineSwitchSet( {
  field: 'pannable',
  on: 'panify',
  off: 'unpanify'
} );

elesfn.inactive = function(){
  let ele = this[0];
  if( ele ){
    return !ele._private.active;
  }
};

export default elesfn;