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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include <QDebug>
#include "modelnodepositionrecalculator.h"
using namespace QmlDesigner;
using namespace QmlDesigner::Internal;
void ModelNodePositionRecalculator::connectTo(TextModifier *textModifier)
{
Q_ASSERT(textModifier);
connect(textModifier, SIGNAL(moved(TextModifier::MoveInfo)), this, SLOT(moved(TextModifier::MoveInfo)));
connect(textModifier, SIGNAL(replaced(int,int,int)), this, SLOT(replaced(int,int,int)));
}
void ModelNodePositionRecalculator::moved(const TextModifier::MoveInfo &moveInfo)
{
const int from = moveInfo.objectStart;
const int to = moveInfo.destination;
const int length = moveInfo.objectEnd - moveInfo.objectStart;
const int prefixLength = moveInfo.prefixToInsert.length();
const int suffixLength = moveInfo.suffixToInsert.length();
foreach (const ModelNode &node, m_nodesToTrack) {
const int nodeLocation = m_positionStore->nodeOffset(node);
if (nodeLocation == ModelNodePositionStorage::INVALID_LOCATION)
continue;
int newLocation = nodeLocation;
if (from <= nodeLocation && moveInfo.objectEnd > nodeLocation) {
if (to > from)
if (length == (to - from))
newLocation = nodeLocation + prefixLength - moveInfo.leadingCharsToRemove;
else
newLocation = to - length + nodeLocation - from + prefixLength - moveInfo.leadingCharsToRemove - moveInfo.trailingCharsToRemove;
else
newLocation = to + nodeLocation - from + prefixLength;
} else if (from < nodeLocation && to > nodeLocation) {
newLocation = nodeLocation - length - moveInfo.leadingCharsToRemove - moveInfo.trailingCharsToRemove;
} else if (from > nodeLocation && to <= nodeLocation) {
newLocation = nodeLocation + length + prefixLength + suffixLength;
} else if (from < nodeLocation && to <= nodeLocation) {
newLocation = nodeLocation + prefixLength + suffixLength - moveInfo.leadingCharsToRemove - moveInfo.trailingCharsToRemove;
}
m_positionStore->setNodeOffset(node, newLocation);
}
const int indentLength = length + prefixLength + suffixLength;
int indentOffset;
if (to - prefixLength <= from - moveInfo.leadingCharsToRemove)
indentOffset = to - prefixLength;
else
indentOffset = to - length - prefixLength - moveInfo.leadingCharsToRemove - moveInfo.trailingCharsToRemove;
m_dirtyAreas.insert(indentOffset, indentLength);
}
void ModelNodePositionRecalculator::replaced(int offset, int oldLength, int newLength)
{
Q_ASSERT(offset >= 0);
const int growth = newLength - oldLength;
if (growth == 0)
return;
foreach (const ModelNode &node, m_nodesToTrack) {
const int nodeLocation = m_positionStore->nodeOffset(node);
if (nodeLocation == ModelNodePositionStorage::INVALID_LOCATION)
continue;
if (offset < nodeLocation || (offset == nodeLocation && oldLength == 0)) {
const int newPosition = nodeLocation + growth;
if (newPosition < 0)
m_positionStore->removeNodeOffset(node);
else
m_positionStore->setNodeOffset(node, newPosition);
}
}
}
|
