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
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* Helper that binds the |this| object to a method to create a callback.
*/
Function.prototype.bind = function(thisObj) {
var func = this;
var args = Array.prototype.slice.call(arguments, 1);
return function() {
return func.apply(thisObj,
args.concat(Array.prototype.slice.call(arguments, 0)))
};
};
/**
* Inherit the prototype methods from one constructor into another.
*/
function inherits(childCtor, parentCtor) {
function tempCtor() {};
tempCtor.prototype = parentCtor.prototype;
childCtor.superClass_ = parentCtor.prototype;
childCtor.prototype = new tempCtor();
childCtor.prototype.constructor = childCtor;
};
/**
* Sets the width (in pixels) on a DOM node.
*/
function setNodeWidth(node, widthPx) {
node.style.width = widthPx.toFixed(0) + "px";
}
/**
* Sets the height (in pixels) on a DOM node.
*/
function setNodeHeight(node, heightPx) {
node.style.height = heightPx.toFixed(0) + "px";
}
/**
* Sets the position and size of a DOM node (in pixels).
*/
function setNodePosition(node, leftPx, topPx, widthPx, heightPx) {
node.style.left = leftPx.toFixed(0) + "px";
node.style.top = topPx.toFixed(0) + "px";
setNodeWidth(node, widthPx);
setNodeHeight(node, heightPx);
}
/**
* Sets the visibility for a DOM node.
*/
function setNodeDisplay(node, isVisible) {
node.style.display = isVisible ? '' : 'none';
}
/**
* Adds a node to |parentNode|, of type |tagName|.
*/
function addNode(parentNode, tagName) {
var elem = parentNode.ownerDocument.createElement(tagName);
parentNode.appendChild(elem);
return elem;
}
/**
* Adds text to node |parentNode|.
*/
function addTextNode(parentNode, text) {
var textNode = parentNode.ownerDocument.createTextNode(text);
parentNode.appendChild(textNode);
return textNode;
}
/**
* Adds or removes a CSS class to |node|.
*/
function changeClassName(node, classNameToAddOrRemove, isAdd) {
// Multiple classes can be separated by spaces.
var currentNames = node.className.split(" ");
if (isAdd) {
if (!(classNameToAddOrRemove in currentNames)) {
currentNames.push(classNameToAddOrRemove);
}
} else {
for (var i = 0; i < currentNames.length; ++i) {
if (currentNames[i] == classNameToAddOrRemove) {
currentNames.splice(i, 1);
break;
}
}
}
node.className = currentNames.join(" ");
}
function getKeyWithValue(map, value) {
for (key in map) {
if (map[key] == value)
return key;
}
return '?';
}
/**
* Builds a string by repeating |str| |count| times.
*/
function makeRepeatedString(str, count) {
var out = [];
for (var i = 0; i < count; ++i)
out.push(str);
return out.join('');
}
/**
* TablePrinter is a helper to format a table as ascii art.
*
* Usage: call addRow() and addCell() repeatedly to specify the data. Ones
* all the fields have been inputted, call toText() to format it as text.
*/
function TablePrinter() {
this.rows_ = [];
}
function TablePrinterCell(value) {
this.text = '' + value;
this.alignRight = false;
this.allowOverflow = false;
}
/**
* Starts a new row.
*/
TablePrinter.prototype.addRow = function() {
this.rows_.push([]);
};
/**
* Adds a column to the current row, setting its value to cellText.
*
* @returns {!TablePrinterCell} the cell that was added.
*/
TablePrinter.prototype.addCell = function(cellText) {
var r = this.rows_[this.rows_.length - 1];
var cell = new TablePrinterCell(cellText);
r.push(cell);
return cell;
};
/**
* Returns the maximum number of columns this table contains.
*/
TablePrinter.prototype.getNumColumns = function() {
var numColumns = 0;
for (var i = 0; i < this.rows_.length; ++i) {
numColumns = Math.max(numColumns, this.rows_[i].length);
}
return numColumns;
}
/**
* Returns the cell at position (rowIndex, columnIndex), or null if there is
* no such cell.
*/
TablePrinter.prototype.getCell_ = function(rowIndex, columnIndex) {
if (rowIndex >= this.rows_.length)
return null;
var row = this.rows_[rowIndex];
if (columnIndex >= row.length)
return null;
return row[columnIndex];
};
/**
* Returns a formatted text representation of the table data.
*/
TablePrinter.prototype.toText = function() {
var numRows = this.rows_.length;
var numColumns = this.getNumColumns();
// Figure out the maximum width of each column.
var columnWidths = [];
columnWidths.length = numColumns;
for (var i = 0; i < numColumns; ++i)
columnWidths[i] = 0;
for (var c = 0; c < numColumns; ++c) {
for (var r = 0; r < numRows; ++r) {
var cell = this.getCell_(r, c);
if (cell && !cell.allowOverflow) {
columnWidths[c] = Math.max(columnWidths[c], cell.text.length);
}
}
}
// Print each row.
var out = [];
for (var r = 0; r < numRows; ++r) {
for (var c = 0; c < numColumns; ++c) {
var cell = this.getCell_(r, c);
if (cell) {
// Padd the cell with spaces to make it fit the maximum column width.
var padding = columnWidths[c] - cell.text.length;
var paddingStr = makeRepeatedString(' ', padding);
if (cell.alignRight) {
out.push(paddingStr);
out.push(cell.text);
} else {
out.push(cell.text);
out.push(paddingStr);
}
}
}
out.push('\n');
}
return out.join('');
};
|
