CheckoutWizards: Simplify code to look up specific pages

Change-Id: I0098e17585d73e05632027676e7712ef9c843da2
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/bazaar/clonewizard.cpp

@@ -40,6 +40,8 @@
 #include <vcsbase/vcsbaseconstants.h>
 #include <vcsbase/wizard/vcsconfigurationpage.h>
 
+#include <utils/qtcassert.h>
+
 #include <QDebug>
 
 using namespace VcsBase;
@@ -70,14 +72,8 @@ CloneWizard::CloneWizard(const Utils::FileName &path, QWidget *parent) :
 
 VcsCommand *CloneWizard::createCommand(Utils::FileName *checkoutDir)
 {
-    const CloneWizardPage *cwp = 0;
-    foreach (int pageId, pageIds()) {
-        if ((cwp = qobject_cast<const CloneWizardPage *>(page(pageId))))
-            break;
-    }
-
-    if (!cwp)
-        return 0;
+    const CloneWizardPage *cwp = find<CloneWizardPage>();
+    QTC_ASSERT(cwp, return 0);
 
     const VcsBaseClientSettings &settings = BazaarPlugin::instance()->client()->settings();
     *checkoutDir = Utils::FileName::fromString(cwp->path() + QLatin1Char('/') + cwp->directory());

src/plugins/cvs/checkoutwizard.cpp

@@ -66,13 +66,9 @@ VcsCommand *CheckoutWizard::createCommand(Utils::FileName *checkoutDir)
 {
     // Collect parameters for the checkout command.
     // CVS does not allow for checking out into a different directory.
-    const CheckoutWizardPage *cwp = 0;
-    foreach (int pageId, pageIds()) {
-        if ((cwp = qobject_cast<const CheckoutWizardPage *>(page(pageId))))
-            break;
-    }
-
+    const CheckoutWizardPage *cwp = find<CheckoutWizardPage>();
     QTC_ASSERT(cwp, return 0);
+
     const CvsSettings settings = CvsPlugin::instance()->client()->settings();
     const Utils::FileName binary = settings.binaryPath();
     QStringList args;

src/plugins/git/clonewizard.cpp

@@ -67,12 +67,7 @@ CloneWizard::CloneWizard(const Utils::FileName &path, QWidget *parent) :
 VcsCommand *CloneWizard::createCommand(Utils::FileName *checkoutDir)
 {
     // Collect parameters for the clone command.
-    const CloneWizardPage *cwp = 0;
-    foreach (int pageId, pageIds()) {
-        if ((cwp = qobject_cast<const CloneWizardPage *>(page(pageId))))
-            break;
-    }
-
+    const CloneWizardPage *cwp = find<CloneWizardPage>();
     QTC_ASSERT(cwp, return 0);
     return cwp->createCheckoutJob(checkoutDir);
 }

src/plugins/mercurial/clonewizard.cpp

@@ -39,6 +39,8 @@
 #include <vcsbase/vcsbaseconstants.h>
 #include <vcsbase/wizard/vcsconfigurationpage.h>
 
+#include <utils/qtcassert.h>
+
 using namespace VcsBase;
 
 namespace Mercurial {
@@ -66,14 +68,8 @@ CloneWizard::CloneWizard(const Utils::FileName &path, QWidget *parent) :
 
 VcsCommand *CloneWizard::createCommand(Utils::FileName *checkoutDir)
 {
-    const CloneWizardPage *cwp = 0;
-    foreach (int pageId, pageIds()) {
-        if ((cwp = qobject_cast<const CloneWizardPage *>(page(pageId))))
-            break;
-    }
-
-    if (!cwp)
-        return 0;
+    const CloneWizardPage *cwp = find<CloneWizardPage>();
+    QTC_ASSERT(cwp, return 0);
 
     const VcsBaseClientSettings &settings = MercurialPlugin::client()->settings();
 

src/plugins/subversion/checkoutwizard.cpp

@@ -67,11 +67,7 @@ CheckoutWizard::CheckoutWizard(const FileName &path, QWidget *parent) :
 VcsCommand *CheckoutWizard::createCommand(FileName *checkoutDir)
 {
     // Collect parameters for the checkout command.
-    const CheckoutWizardPage *cwp = 0;
-    foreach (int pageId, pageIds()) {
-        if ((cwp = qobject_cast<const CheckoutWizardPage *>(page(pageId))))
-            break;
-    }
+    const CheckoutWizardPage *cwp = find<CheckoutWizardPage>();
     QTC_ASSERT(cwp, return 0);
 
     SubversionClient *client = SubversionPlugin::instance()->client();