Differential D8118 Diff 20379 src/plugins/queries/kexiquerypart.cpp

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src/plugins/queries/kexiquerypart.cpp

1/* This file is part of the KDE project 1​/* This file is part of the KDE project
2 Copyright (C) 2004 Lucijan Busch <lucijan@kde.org> 2​ Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
3 Copyright (C) 2004-2016 Jarosław Staniek <staniek@kde.org> 3​ Copyright (C) 2004-2017 Jarosław Staniek <staniek@kde.org>
4 4​
5 This program is free software; you can redistribute it and/or 5​ This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public 6​ modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either 7​ License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version. 8​ version 2 of the License, or (at your option) any later version.
9 9​
10 This program is distributed in the hope that it will be useful, 10​ This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 11​ but WITHOUT ANY WARRANTY; without even the implied warranty of
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28#include <kexipartinfo.h> 28​#include <kexipartinfo.h>
29#include <kexiutils/utils.h> 29​#include <kexiutils/utils.h>
30 30​
31#include <KDbConnection> 31​#include <KDbConnection>
32#include <KDbCursor> 32​#include <KDbCursor>
33#include <KDbParser> 33​#include <KDbParser>
34#include <KDbQuerySchema> 34​#include <KDbQuerySchema>
35 35​
36​#include <KStandardGuiItem>
37​#include <KMessageBox>
38​
36#include <QDebug> 39​#include <QDebug>
37 40​
38KEXI_PLUGIN_FACTORY(KexiQueryPart, "kexi_queryplugin.json") 41​KEXI_PLUGIN_FACTORY(KexiQueryPart, "kexi_queryplugin.json")
39 42​
40KexiQueryPart::KexiQueryPart(QObject *parent, const QVariantList &l) 43​KexiQueryPart::KexiQueryPart(QObject *parent, const QVariantList &l)
41 : KexiPart::Part(parent, 44​ : KexiPart::Part(parent,
42 xi18nc("Translate this word using only lowercase alphanumeric characters (a..z, 0..9). " 45​ xi18nc("Translate this word using only lowercase alphanumeric characters (a..z, 0..9). "
43 "Use '_' character instead of spaces. First character should be a..z character. " 46​ "Use '_' character instead of spaces. First character should be a..z character. "
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94 97​
95tristate KexiQueryPart::remove(KexiPart::Item *item) 98​tristate KexiQueryPart::remove(KexiPart::Item *item)
96{ 99​{
97 if (!KexiMainWindowIface::global()->project() 100​ if (!KexiMainWindowIface::global()->project()
98 || !KexiMainWindowIface::global()->project()->dbConnection()) 101​ || !KexiMainWindowIface::global()->project()->dbConnection())
99 return false; 102​ return false;
100 KDbConnection *conn = KexiMainWindowIface::global()->project()->dbConnection(); 103​ KDbConnection *conn = KexiMainWindowIface::global()->project()->dbConnection();
101 KDbQuerySchema *sch = conn->querySchema(item->identifier()); 104​ KDbQuerySchema *sch = conn->querySchema(item->identifier());
102 if (sch) 105​ if (sch) {
106​ const tristate res = KexiQueryPart::askForClosingObjectsUsingQuerySchema(
107​ KexiMainWindowIface::global()->openedWindowFor(item->identifier()), conn, sch,
108​ kxi18n("<para>You are about to delete query <resource>%1</resource> but it is used by "
109​ "following opened windows:</para>")
110​ .subs(sch->name()));
111​ if (res != true) {
112​ return res;
113​ }
103 return conn->dropQuery(sch); 114​ return conn->dropQuery(sch);
115​ }
104 //last chance: just remove item 116​ //last chance: just remove item
105 return conn->removeObject(item->identifier()); 117​ return conn->removeObject(item->identifier());
106} 118​}
107 119​
108void KexiQueryPart::initPartActions() 120​void KexiQueryPart::initPartActions()
109{ 121​{
110} 122​}
111 123​
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179} 191​}
180 192​
181tristate KexiQueryPart::rename(KexiPart::Item *item, const QString& newName) 193​tristate KexiQueryPart::rename(KexiPart::Item *item, const QString& newName)
182{ 194​{
183 Q_ASSERT(item); 195​ Q_ASSERT(item);
184 Q_UNUSED(newName); 196​ Q_UNUSED(newName);
185 if (!KexiMainWindowIface::global()->project()->dbConnection()) 197​ if (!KexiMainWindowIface::global()->project()->dbConnection())
186 return false; 198​ return false;
199​ // Note: unlike in KexiTablePart::rename here we just mark the query obsolete here so no need
200​ // to call KexiQueryPart::askForClosingObjectsUsingQuerySchema().
187 KexiMainWindowIface::global()->project()->dbConnection() 201​ KexiMainWindowIface::global()->project()->dbConnection()
188 ->setQuerySchemaObsolete(item->name()); 202​ ->setQuerySchemaObsolete(item->name());
189 return true; 203​ return true;
190} 204​}
191 205​
206​// static
207​tristate KexiQueryPart::askForClosingObjectsUsingQuerySchema(KexiWindow *window,
208​ KDbConnection *conn,
209​ KDbQuerySchema *query,
210​ const KLocalizedString &msg)
211​{
212​ Q_ASSERT(conn);
213​ Q_ASSERT(query);
214​ if (!window) {
215​ return true;
216​ }
217​ QList<KDbTableSchemaChangeListener*> listeners
218​ = KDbTableSchemaChangeListener::listeners(conn, query);
219​ KexiQueryPartTempData *temp = static_cast<KexiQueryPartTempData*>(window->data());
220​ // Special case: listener that is equal to window->data() will be silently closed
221​ // without asking for confirmation. It is not counted when looking for objects that
222​ // are "blocking" changes of the query.
223​ const bool tempListenerExists = listeners.removeAll(temp) > 0;
224​ // Immediate success if there's no temp-data's listener to close nor other listeners to close
225​ if (!tempListenerExists && listeners.isEmpty()) {
226​ return true;
227​ }
228​
229​ if (!listeners.isEmpty()) {
230​ QString openedObjectsStr = "<p><ul>";
231​ for(const KDbTableSchemaChangeListener* listener : listeners) {
232​ openedObjectsStr += QString("<li>%1</li>").arg(listener->name());
233​ }
234​ openedObjectsStr += "</ul></p>";
235​ QString message = "<html>"
236​ + i18nc("@info/plain Sentence1 Sentence2 Sentence3", "%1%2%3",
237​ KexiUtils::localizedStringToHtmlSubstring(msg), openedObjectsStr,
238​ KexiUtils::localizedStringToHtmlSubstring(
239​ kxi18nc("@info", "<para>Do you want to close these windows and save the "
240​ "design or cancel saving?</para>")))
241​ + "</html>";
242​ KGuiItem closeAndSaveItem(KStandardGuiItem::save());
243​ closeAndSaveItem.setText(
244​ xi18nc("@action:button Close all windows and save", "Close Windows and Save"));
245​ closeAndSaveItem.setToolTip(xi18nc("@info:tooltip Close all windows and save design",
246​ "Close all windows and save design"));
247​ const int r = KMessageBox::questionYesNo(window, message, QString(), closeAndSaveItem,
248​ KStandardGuiItem::cancel(), QString(),
249​ KMessageBox::Notify | KMessageBox::Dangerous);
250​ if (r != KMessageBox::Yes) {
251​ return cancelled;
252​ }
253​ }
254​ // try to close every window depending on the query (if present) and also the temp-data's
255​ // listener (if present)
256​ const tristate res = KDbTableSchemaChangeListener::closeListeners(conn, query, { temp });
257​ if (res != true) { //do not expose closing errors twice; just cancel
258​ return cancelled;
259​ }
260​ return true;
261​}
262​
192//---------------- 263​//----------------
193 264​
194KexiQueryPartTempData::KexiQueryPartTempData(KexiWindow* window, KDbConnection *conn) 265​KexiQueryPartTempData::KexiQueryPartTempData(KexiWindow* window, KDbConnection *conn)
195 : KexiWindowData(window) 266​ : KexiWindowData(window)
196 , KDbTableSchemaChangeListener() 267​ , KDbTableSchemaChangeListener()
197 , m_query(0) 268​ , m_query(0)
198 , m_queryChangedInView(Kexi::NoViewMode) 269​ , m_queryChangedInView(Kexi::NoViewMode)
199{ 270​{
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219{ 290​{
220 KDbTableSchemaChangeListener::unregisterForChanges(conn, this); 291​ KDbTableSchemaChangeListener::unregisterForChanges(conn, this);
221} 292​}
222 293​
223void KexiQueryPartTempData::registerTableSchemaChanges(KDbQuerySchema *q) 294​void KexiQueryPartTempData::registerTableSchemaChanges(KDbQuerySchema *q)
224{ 295​{
225 if (!q) 296​ if (!q)
226 return; 297​ return;
227 foreach(const KDbTableSchema* table, *q->tables()) { 298​ KDbTableSchemaChangeListener::registerForChanges(conn, this, q);
228 KDbTableSchemaChangeListener::registerForChanges(conn, this, table); ​
229 } ​
230} 299​}
231 300​
232tristate KexiQueryPartTempData::closeListener() 301​tristate KexiQueryPartTempData::closeListener()
233{ 302​{
234 KexiWindow* window = static_cast<KexiWindow*>(parent()); 303​ KexiWindow* window = static_cast<KexiWindow*>(parent());
304​ qDebug() << window->partItem()->name();
235 return KexiMainWindowIface::global()->closeWindow(window); 305​ return KexiMainWindowIface::global()->closeWindow(window);
236} 306​}
237 307​
238KDbQuerySchema *KexiQueryPartTempData::takeQuery() 308​KDbQuerySchema *KexiQueryPartTempData::takeQuery()
239{ 309​{
240 KDbQuerySchema *query = m_query; 310​ KDbQuerySchema *query = m_query;
241 m_query = 0; 311​ m_query = 0;
242 return query; 312​ return query;
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