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
|
define(['jquery', 'Bacon', 'underscore', 'util', 'view/completer', 'rz_bus', 'textanalysis', 'consts'],
function($, Bacon, _, util, completer, rz_bus, textanalysis, consts)
{
// Aliases
var value = util.value;
// Constants
var nbsp = String.fromCharCode(160),
VK_UP = consts.VK_UP,
VK_DOWN = consts.VK_DOWN,
VK_ENTER = consts.VK_ENTER;
function textanalyser_input(spec) {
var selectionStart = function () {
return util.selectionStart(element_raw);
}
function key(val) {
return function (e) {
return e.keyCode === val;
};
};
function shift_key(val) {
return function(e) {
return e.keyCode === val && e.shiftKey;
}
}
function current_value() {
return nbsp_to_spaces(value(element_raw));
}
function nbsp_to_spaces(str) {
return str.replace(new RegExp(nbsp, 'g'), ' ');
}
function stretch_input_to_text_size(text)
{
var new_width = Math.min(Math.max(initial_width, text.length * 9 + 20), $(window).width() * 0.8);
element.width(new_width);
ta.on_resize.push();
}
function update_element(current_text, input_cursor_location)
{
var parts,
base_parts,
classes = ['analyser-span-node', 'analyser-span-space-node-link',
'analyser-span-link', 'analyser-span-space-link-node'],
cursor_location = (undefined === input_cursor_location ? selectionStart() : input_cursor_location);
base_parts = current_text.split(/ */)
parts = _.flatten(base_parts.slice(0, base_parts.length - 1).map(function (l) { return [l, ' ']; }));
if (base_parts[base_parts.length - 1].length != 0) {
parts.push(base_parts[base_parts.length - 1]);
}
function span(text, clazz) {
return $('<span class="' + clazz + '">' + text.replace(/ /g, nbsp) + '</span>')[0];
};
element.text('');
parts.map(function (part, index) {
element.append(span(part, classes[index % classes.length]));
});
util.setSelection(element_raw, cursor_location, cursor_location);
stretch_input_to_text_size(current_text);
return current_text;
}
var element_name = spec.element_name,
ta = {
spec: spec,
on_analysis__input: new Bacon.Bus(),
on_analysis__output: new Bacon.Bus(),
on_resize: new Bacon.Bus(),
element: $(element_name),
selectionStart: selectionStart,
value: current_value,
},
element = ta.element,
element_raw = element[0],
initial_width = element.width(),
completer_spec = {
hideOnTab: false,
getter: current_value,
setter: function (text, cursor) { update_element(text, cursor); },
selectionStart: selectionStart,
},
analysisCompleter = completer(element, $(spec.completer_name), completer_spec),
document_keydown = new Bacon.Bus(),
input_bus = new Bacon.Bus(),
selectionBus = element.asEventStream('selectstart input keyup').map(selectionStart).skipDuplicates();
function first_argument(one, two) { return one; };
analysisCompleter.options.plug(
textanalysis.suggestions_options
.combine(selectionBus, first_argument)
.combine(ta.on_analysis__output, first_argument)
.map(
function (options) {
var is_link = textanalysis.element_at_position__is_link(selectionStart());
return options[is_link ? 'links' : 'nodes'];
}));
util.assert(1 === element.length);
var enters = element.asEventStream('keydown').filter(key(VK_ENTER))
.map(function (e) {
var text;
e.preventDefault();
e.stopPropagation();
if (!analysisCompleter.handleEnter()) {
text = current_value();
value(element_raw, "");
return text;
} else {
return false;
}
});
rz_bus.ui_key.plug(document_keydown);
function prevent_default_and_stop_propagation(e) {
e.preventDefault();
e.stopPropagation();
return e;
}
function stream_shift_key(key) {
return element.asEventStream('keydown').filter(shift_key(key)).map(prevent_default_and_stop_propagation)
}
ta.on_sentence = enters.filter(function (v) { return v !== false; });
ta.on_analysis__input.plug(enters.filter(function (v) { return v === false; }).map(current_value));
ta.on_type = stream_shift_key(VK_UP).map(true).merge(stream_shift_key(VK_DOWN).map(false));
element.asEventStream('keydown').onValue(function (e) {
document_keydown.push({where: consts.KEYSTROKE_WHERE_TEXTANALYSIS, keys: [e.keyCode]});
});
element.asEventStream('input selectionchange click').onValue(function (e) {
analysisCompleter.oninput(current_value(), selectionStart(element_raw));
e.stopPropagation();
e.preventDefault();
});
ta.on_analysis__input.plug(element.asEventStream('input').map(current_value).map(function (val) {
return update_element(val);
}));
return ta;
};
return textanalyser_input;
}
);
|
