summaryrefslogtreecommitdiff
path: root/src/ws/view.js
blob: 4a1038685bdc75b64040073342cd5fb77fc5a7e3 (plain)
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
/* -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */

/*
function createNode()
{
	var node = new Node();
	node.id = 42;
	node.dump = function()
	{
		alert(this.id);
	}
}
*/

function getNode(subscribeid, id)
{
}

function updateNode(subscribeid, id, name, value)
{
}

function getBoard(subscribeid)
{
	var board = document.getElementById("board_" + subscribeid);
	if(!board)
	{
		board = document.createElement("div");
		board.name = "board";
		board.setAttribute("class", "board");
		board.id = "board_" + subscribeid;
		boards.appendChild(board);
	}

	return board;
}

//////////////////////////////////////////////////////
//////////////////////////////////////////////////////

function clear()
{
	document.getElementById("input_data").value = "";
}

function deleteNode(id)
{
	remove(id);
}

function getElementAfter(e)
{
	var element_after = null;
	var min_y_diff = 9999999999999;
	for(i = 0; i < e.target.children.length; ++i)
	{
		if(e.target.children[i].className != "node") // Only look at node elements
		{
			continue;
		}

		var y_diff = e.target.children[i].getBoundingClientRect().y - e.y;
		if(y_diff > 0 && y_diff < min_y_diff)
		{
			element_after = e.target.children[i];
			min_y_diff = y_diff;
		}
	}

	return element_after;
}

function drag(target, e)
{
	e.dataTransfer.setData('id', target.id);
	e.stopPropagation(); // <--- this fixes the drag target problem
	update(idFromStr(target.id), "dragged", "true");
}

function dragenter(e)
{
	e.target.style.backgroundColor = "#646588";
	last_over = e.target;
}

var last_after = null;
function dragover(e)
{
	e.preventDefault();

	var after = getElementAfter(e);
	if(last_after != null)
	{
		last_after.style.borderColor = "black";
	}
	after.style.borderColor = "red black black black";
	last_after = after;
}

function dragleave(e)
{
	e.target.style.backgroundColor = "#aaa";
}

function dragEnd(e)
{
	e.target.style.backgroundColor = "#aaa";

	if(last_after != null)
	{
		last_after.style.borderColor = "black";
		last_after = null;
	}

	if(last_over != null)
	{
		last_over.style.backgroundColor = "#aaa";
		last_over = null;
	}

	e.preventDefault();
	e.stopPropagation();

	// FIXME: This doesn't seem to work in Chromium 65
	var id = e.dataTransfer.getData('id');
	update(idFromStr(id), "dragged", "false");
}

function drop(e)
{
	var id = e.dataTransfer.getData('id');
	update(idFromStr(id), "dragged", "false");

	// Prevent dropping on item itself
	if(id == e.target.id)
	{
		return;
	}

	var before_id = -1;
	var element_after = getElementAfter(e);
	if(element_after != null)
	{
		before_id = idFromStr(element_after.id);
	}
	move(idFromStr(id), idFromStr(e.target.id), before_id);
}

function subscribeMe(target, e)
{
	e.stopPropagation();
	subscribe(target.nodeid);
}

function unsubscribeMe(target, e)
{
	e.stopPropagation();
	unsubscribe(target.nodeid);
}

function showHideChildren(target, e)
{
	e.stopPropagation();
	updateid = idFromStr(target.id);
	if(target.style.backgroundColor != "red")
	{
		target.style.backgroundColor = "red";
		for(i = 1; i < target.childNodes.length; i++)
		{
			target.childNodes[i].style.display = "none";
		}
	}
	else
	{
		target.style.backgroundColor = "#aaa";
		for(i = 1; i < target.childNodes.length; i++)
		{
			target.childNodes[i].style.display = "block";
		}
	}
}

function node_submit()
{
	var data = document.getElementById("input_node_data");
	transmit(data.value);
	data.value = "";
}

function node_submit_KeyUpHandler(target, e)
{
	if(e.which == 13)
	{ // enter
		node_submit();
	}
}

//
// Butt ugly.. but hey! it works...
//
var updateid;
var divtxt;
var oldtxt;
var oldtitle;
function onKeyUpHandler(target, e)
{
	if(e.which == 13)
	{ // enter
		divtxt.removeChild(target);
		oldtxt.nodeValue = 'updating...';
		update(updateid, "title", target.value);
	}
	if(e.which == 27)
	{ // escape
		divtxt.removeChild(target);
		oldtxt.nodeValue = oldtitle;
	}
}

function onLostFocusHandler(target, e)
{
	if(target.value == oldtitle)
	{
		divtxt.removeChild(target);
		oldtxt.nodeValue = oldtitle;
	}
}

function editTitle(target, e)
{
	e.stopPropagation();
	updateid = idFromStr(target.id);
	if(updateid < 10)
	{
		return;
	}
	var inp = document.createElement("input");
	var txtdiv = document.getElementById(target.id + "_txt");
	divtxt = txtdiv;
	oldtxt = txtdiv.firstChild;
	oldtitle = oldtxt.nodeValue;
	oldtxt.nodeValue = "";
	inp.setAttribute("onkeyup", "onKeyUpHandler(this, event)");
	inp.setAttribute("onblur", "onLostFocusHandler(this, event)");
	inp.setAttribute("style", "border: inherit; padding: inherit; margin: inherit; background: inherit;");
	inp.value = oldtitle;
	lineedit = inp;
	txtdiv.appendChild(inp);
	inp.focus();
}