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Adds a purge action to remove menus that have not entries after visit
Alexandre Leroux -
r215:b21a03be8ff6
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1 #include "Visualization/operations/GenerateVariableMenuOperation.h"
1 #include "Visualization/operations/GenerateVariableMenuOperation.h"
2
2
3 #include "Visualization/VisualizationGraphWidget.h"
3 #include "Visualization/VisualizationGraphWidget.h"
4 #include "Visualization/VisualizationTabWidget.h"
4 #include "Visualization/VisualizationTabWidget.h"
5 #include "Visualization/VisualizationZoneWidget.h"
5 #include "Visualization/VisualizationZoneWidget.h"
6
6
7 #include <Variable/Variable.h>
7 #include <Variable/Variable.h>
8
8
9 #include <QMenu>
9 #include <QMenu>
10 #include <QStack>
10 #include <QStack>
11
11
12 Q_LOGGING_CATEGORY(LOG_GenerateVariableMenuOperation, "GenerateVariableMenuOperation")
12 Q_LOGGING_CATEGORY(LOG_GenerateVariableMenuOperation, "GenerateVariableMenuOperation")
13
13
14 namespace {
14 namespace {
15
15
16 /// Helper assigned to build the hierarchical menu associated with a variable
16 /// Helper assigned to build the hierarchical menu associated with a variable
17 struct MenuBuilder {
17 struct MenuBuilder {
18 /**
18 /**
19 * Ctor
19 * Ctor
20 * @param menu the parent menu
20 * @param menu the parent menu
21 */
21 */
22 explicit MenuBuilder(QMenu *menu)
22 explicit MenuBuilder(QMenu *menu)
23 {
23 {
24 if (menu) {
24 if (menu) {
25 m_Menus.push(menu);
25 m_Menus.push(menu);
26 }
26 }
27 else {
27 else {
28 qCCritical(LOG_GenerateVariableMenuOperation())
28 qCCritical(LOG_GenerateVariableMenuOperation())
29 << QObject::tr("No parent menu has been defined");
29 << QObject::tr("No parent menu has been defined");
30 }
30 }
31 }
31 }
32
32
33 /**
33 /**
34 * Adds action to the current menu
34 * Adds action to the current menu
35 * @param actionName the name of the action
35 * @param actionName the name of the action
36 * @param actionFunction the function that will be executed when the action is triggered
36 * @param actionFunction the function that will be executed when the action is triggered
37 */
37 */
38 template <typename ActionFun>
38 template <typename ActionFun>
39 void addAction(const QString &actionName, ActionFun actionFunction)
39 void addAction(const QString &actionName, ActionFun actionFunction)
40 {
40 {
41 if (auto currMenu = currentMenu()) {
41 if (auto currMenu = currentMenu()) {
42 currMenu->addAction(actionName, actionFunction);
42 currMenu->addAction(actionName, actionFunction);
43 }
43 }
44 else {
44 else {
45 qCCritical(LOG_GenerateVariableMenuOperation())
45 qCCritical(LOG_GenerateVariableMenuOperation())
46 << QObject::tr("No current menu to attach the action");
46 << QObject::tr("No current menu to attach the action");
47 }
47 }
48 }
48 }
49
49
50 /**
50 /**
51 * Adds a new menu to the current menu
51 * Adds a new menu to the current menu
52 * @param name the name of the menu
52 * @param name the name of the menu
53 */
53 */
54 void addMenu(const QString &name)
54 void addMenu(const QString &name)
55 {
55 {
56 if (auto currMenu = currentMenu()) {
56 if (auto currMenu = currentMenu()) {
57 m_Menus.push(currMenu->addMenu(name));
57 m_Menus.push(currMenu->addMenu(name));
58 }
58 }
59 else {
59 else {
60 qCCritical(LOG_GenerateVariableMenuOperation())
60 qCCritical(LOG_GenerateVariableMenuOperation())
61 << QObject::tr("No current menu to attach the new menu");
61 << QObject::tr("No current menu to attach the new menu");
62 }
62 }
63 }
63 }
64
64
65 /// Adds a separator to the current menu. The separator is added only if the menu already
65 /// Adds a separator to the current menu. The separator is added only if the menu already
66 /// contains entries
66 /// contains entries
67 void addSeparator()
67 void addSeparator()
68 {
68 {
69 if (auto currMenu = currentMenu()) {
69 if (auto currMenu = currentMenu()) {
70 if (!currMenu->isEmpty()) {
70 if (!currMenu->isEmpty()) {
71 currMenu->addSeparator();
71 currMenu->addSeparator();
72 }
72 }
73 }
73 }
74 else {
74 else {
75 qCCritical(LOG_GenerateVariableMenuOperation())
75 qCCritical(LOG_GenerateVariableMenuOperation())
76 << QObject::tr("No current menu to attach the separator");
76 << QObject::tr("No current menu to attach the separator");
77 }
77 }
78 }
78 }
79
79
80 /// Closes the current menu
80 /// Closes the current menu
81 void closeMenu()
81 void closeMenu()
82 {
82 {
83 if (!m_Menus.isEmpty()) {
83 if (!m_Menus.isEmpty()) {
84 m_Menus.pop();
84 if (auto closedMenu = m_Menus.pop()) {
85 // Purge menu : if the closed menu has no entries, we remove it from its parent (the
86 // current menu)
87 if (auto currMenu = currentMenu()) {
88 if (closedMenu->isEmpty()) {
89 currMenu->removeAction(closedMenu->menuAction());
90 }
91 }
92 }
85 }
93 }
86 }
94 }
87
95
88 /// Gets the current menu (i.e. the top menu of the stack)
96 /// Gets the current menu (i.e. the top menu of the stack)
89 QMenu *currentMenu() const { return !m_Menus.isEmpty() ? m_Menus.top() : nullptr; }
97 QMenu *currentMenu() const { return !m_Menus.isEmpty() ? m_Menus.top() : nullptr; }
90
98
91 /// Stack of all menus currently opened
99 /// Stack of all menus currently opened
92 QStack<QMenu *> m_Menus{};
100 QStack<QMenu *> m_Menus{};
93 };
101 };
94
102
95 } // namespace
103 } // namespace
96
104
97 struct GenerateVariableMenuOperation::GenerateVariableMenuOperationPrivate {
105 struct GenerateVariableMenuOperation::GenerateVariableMenuOperationPrivate {
98 explicit GenerateVariableMenuOperationPrivate(QMenu *menu, std::shared_ptr<Variable> variable)
106 explicit GenerateVariableMenuOperationPrivate(QMenu *menu, std::shared_ptr<Variable> variable)
99 : m_Variable{variable}, m_MenuBuilder{menu}
107 : m_Variable{variable}, m_MenuBuilder{menu}
100 {
108 {
101 }
109 }
102
110
103 void visitNodeEnter(const IVisualizationWidget &container)
111 void visitNodeEnter(const IVisualizationWidget &container)
104 {
112 {
105 // Opens a new menu associated to the node
113 // Opens a new menu associated to the node
106 m_MenuBuilder.addMenu(container.name());
114 m_MenuBuilder.addMenu(container.name());
107 }
115 }
108
116
109 template <typename ActionFun>
117 template <typename ActionFun>
110 void visitNodeLeave(const IVisualizationWidget &container, const QString &actionName,
118 void visitNodeLeave(const IVisualizationWidget &container, const QString &actionName,
111 ActionFun actionFunction)
119 ActionFun actionFunction)
112 {
120 {
113 if (m_Variable && container.canDrop(*m_Variable)) {
121 if (m_Variable && container.canDrop(*m_Variable)) {
114 m_MenuBuilder.addSeparator();
122 m_MenuBuilder.addSeparator();
115 m_MenuBuilder.addAction(actionName, actionFunction);
123 m_MenuBuilder.addAction(actionName, actionFunction);
116 }
124 }
117
125
118 // Closes the menu associated to the node
126 // Closes the menu associated to the node
119 m_MenuBuilder.closeMenu();
127 m_MenuBuilder.closeMenu();
120 }
128 }
121
129
122 template <typename ActionFun>
130 template <typename ActionFun>
123 void visitLeaf(const IVisualizationWidget &container, const QString &actionName,
131 void visitLeaf(const IVisualizationWidget &container, const QString &actionName,
124 ActionFun actionFunction)
132 ActionFun actionFunction)
125 {
133 {
126 if (m_Variable && container.canDrop(*m_Variable)) {
134 if (m_Variable && container.canDrop(*m_Variable)) {
127 m_MenuBuilder.addAction(actionName, actionFunction);
135 m_MenuBuilder.addAction(actionName, actionFunction);
128 }
136 }
129 }
137 }
130
138
131 std::shared_ptr<Variable> m_Variable;
139 std::shared_ptr<Variable> m_Variable;
132 MenuBuilder m_MenuBuilder;
140 MenuBuilder m_MenuBuilder;
133 };
141 };
134
142
135 GenerateVariableMenuOperation::GenerateVariableMenuOperation(QMenu *menu,
143 GenerateVariableMenuOperation::GenerateVariableMenuOperation(QMenu *menu,
136 std::shared_ptr<Variable> variable)
144 std::shared_ptr<Variable> variable)
137 : impl{spimpl::make_unique_impl<GenerateVariableMenuOperationPrivate>(menu, variable)}
145 : impl{spimpl::make_unique_impl<GenerateVariableMenuOperationPrivate>(menu, variable)}
138 {
146 {
139 }
147 }
140
148
141 void GenerateVariableMenuOperation::visitEnter(VisualizationWidget *widget)
149 void GenerateVariableMenuOperation::visitEnter(VisualizationWidget *widget)
142 {
150 {
143 // VisualizationWidget is not intended to accommodate a variable
151 // VisualizationWidget is not intended to accommodate a variable
144 Q_UNUSED(widget)
152 Q_UNUSED(widget)
145 }
153 }
146
154
147 void GenerateVariableMenuOperation::visitLeave(VisualizationWidget *widget)
155 void GenerateVariableMenuOperation::visitLeave(VisualizationWidget *widget)
148 {
156 {
149 // VisualizationWidget is not intended to accommodate a variable
157 // VisualizationWidget is not intended to accommodate a variable
150 Q_UNUSED(widget)
158 Q_UNUSED(widget)
151 }
159 }
152
160
153 void GenerateVariableMenuOperation::visitEnter(VisualizationTabWidget *tabWidget)
161 void GenerateVariableMenuOperation::visitEnter(VisualizationTabWidget *tabWidget)
154 {
162 {
155 if (tabWidget) {
163 if (tabWidget) {
156 impl->visitNodeEnter(*tabWidget);
164 impl->visitNodeEnter(*tabWidget);
157 }
165 }
158 }
166 }
159
167
160 void GenerateVariableMenuOperation::visitLeave(VisualizationTabWidget *tabWidget)
168 void GenerateVariableMenuOperation::visitLeave(VisualizationTabWidget *tabWidget)
161 {
169 {
162 if (tabWidget) {
170 if (tabWidget) {
163 impl->visitNodeLeave(
171 impl->visitNodeLeave(
164 *tabWidget, QObject::tr("Open in a new zone"),
172 *tabWidget, QObject::tr("Open in a new zone"),
165 [ var = impl->m_Variable, tabWidget ]() { tabWidget->createZone(var); });
173 [ var = impl->m_Variable, tabWidget ]() { tabWidget->createZone(var); });
166 }
174 }
167 }
175 }
168
176
169 void GenerateVariableMenuOperation::visitEnter(VisualizationZoneWidget *zoneWidget)
177 void GenerateVariableMenuOperation::visitEnter(VisualizationZoneWidget *zoneWidget)
170 {
178 {
171 if (zoneWidget) {
179 if (zoneWidget) {
172 impl->visitNodeEnter(*zoneWidget);
180 impl->visitNodeEnter(*zoneWidget);
173 }
181 }
174 }
182 }
175
183
176 void GenerateVariableMenuOperation::visitLeave(VisualizationZoneWidget *zoneWidget)
184 void GenerateVariableMenuOperation::visitLeave(VisualizationZoneWidget *zoneWidget)
177 {
185 {
178 if (zoneWidget) {
186 if (zoneWidget) {
179 impl->visitNodeLeave(
187 impl->visitNodeLeave(
180 *zoneWidget, QObject::tr("Open in a new graph"),
188 *zoneWidget, QObject::tr("Open in a new graph"),
181 [ var = impl->m_Variable, zoneWidget ]() { zoneWidget->createGraph(var); });
189 [ var = impl->m_Variable, zoneWidget ]() { zoneWidget->createGraph(var); });
182 }
190 }
183 }
191 }
184
192
185 void GenerateVariableMenuOperation::visit(VisualizationGraphWidget *graphWidget)
193 void GenerateVariableMenuOperation::visit(VisualizationGraphWidget *graphWidget)
186 {
194 {
187 if (graphWidget) {
195 if (graphWidget) {
188 impl->visitLeaf(
196 impl->visitLeaf(
189 *graphWidget, QObject::tr("Open in %1").arg(graphWidget->name()),
197 *graphWidget, QObject::tr("Open in %1").arg(graphWidget->name()),
190 [ var = impl->m_Variable, graphWidget ]() { graphWidget->addVariable(var); });
198 [ var = impl->m_Variable, graphWidget ]() { graphWidget->addVariable(var); });
191 }
199 }
192 }
200 }
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