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
|
/*
This file is part of the Grantlee template system.
Copyright (c) 2009,2010 Stephen Kelly <steveire@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either version
2.1 of the Licence, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "scriptablenode.h"
#include <QtQml/QJSEngine>
#include "context.h"
#include "engine.h"
#include "exception.h"
#include "parser.h"
#include "scriptablecontext.h"
#include "scriptableparser.h"
ScriptableNode::ScriptableNode(QObject *parent)
: Node(parent), m_scriptEngine(nullptr)
{
}
void ScriptableNode::setScriptEngine(QJSEngine *engine)
{
m_scriptEngine = engine;
}
void ScriptableNode::init(const QJSValue &concreteNode,
const QJSValue &renderMethod)
{
m_concreteNode = concreteNode;
m_renderMethod = renderMethod;
}
void ScriptableNode::render(OutputStream *stream, Context *c) const
{
ScriptableContext sc(c);
auto contextObject = m_scriptEngine->newQObject(&sc);
QJSValueList args;
args << contextObject;
// Call the render method in the context of the concreteNode
auto value = const_cast<QJSValue &>(m_renderMethod)
.callWithInstance(m_concreteNode, args);
if (!value.isError() && !value.isUndefined())
(*stream) << value.toString();
}
ScriptableNodeFactory::ScriptableNodeFactory(QObject *parent)
: AbstractNodeFactory(parent), m_scriptEngine(nullptr)
{
}
void ScriptableNodeFactory::setScriptEngine(QJSEngine *engine)
{
m_scriptEngine = engine;
}
void ScriptableNodeFactory::setEngine(Engine *engine)
{
m_scriptEngine->setProperty("templateEngine", QVariant::fromValue(engine));
}
void ScriptableNodeFactory::setFactory(const QJSValue &factoryMethod)
{
m_factoryMethod = factoryMethod;
}
Node *ScriptableNodeFactory::getNode(const QString &tagContent, Parser *p) const
{
auto sp = new ScriptableParser(p, m_scriptEngine);
auto parserObject = m_scriptEngine->newQObject(sp);
QJSValueList args;
args << tagContent;
args << parserObject;
auto factory = m_factoryMethod;
auto scriptNode = factory.callWithInstance(factory, args);
if (scriptNode.isError())
throw Grantlee::Exception(TagSyntaxError, scriptNode.toString());
auto node = qjsvalue_cast<Node *>(scriptNode);
node->setParent(p);
return node;
}
QJSEngine *ScriptableNode::engine() { return m_scriptEngine; }
void ScriptableNode::setNodeList(const QString &name,
const QList<QObject *> &objectList)
{
auto objectListArray = m_scriptEngine->newArray(objectList.size());
for (auto i = 0; i < objectList.size(); ++i) {
objectListArray.setProperty(i,
m_scriptEngine->newQObject(objectList.at(i)));
}
m_concreteNode.setProperty(name, objectListArray);
}
|
