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author | Kavindra Devi Palaraja <kavindra.palaraja@nokia.com> | 2009-07-01 14:04:05 +0200 |
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committer | Kavindra Devi Palaraja <kavindra.palaraja@nokia.com> | 2009-07-01 14:04:05 +0200 |
commit | d37363f3b65b0d2175006123eb2fde893ed98d3e (patch) | |
tree | c06190477ba1919678817e9f930a057191c00d9a /doc/addressbook-sdk.qdoc | |
parent | 3264878fe6eee535bc988642324b3ec9e8caf655 (diff) | |
download | qt-creator-d37363f3b65b0d2175006123eb2fde893ed98d3e.tar.gz |
Doc - Finishing up Part 5, only screenshots pending
Reviewed-By: TrustMe
Diffstat (limited to 'doc/addressbook-sdk.qdoc')
-rw-r--r-- | doc/addressbook-sdk.qdoc | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/doc/addressbook-sdk.qdoc b/doc/addressbook-sdk.qdoc index 6e457d4181..c7f555fb32 100644 --- a/doc/addressbook-sdk.qdoc +++ b/doc/addressbook-sdk.qdoc @@ -804,20 +804,60 @@ \section1 The AddressBook Class - To ensure that we can use \c FindDialog from within our \c AddressBook class, we include \c finddialog.h in the \c addressbook.h file. - \snippet examples/addressbook-sdk/part5/addressbook.cpp include + \snippet examples/addressbook-sdk/part5/addressbook.h include So far, all our address book features have a QPushButton and a corresponding slot. Similarly, for the \gui Find feature, we have \c findButton and \c findContact(). - Within the \c AddressBook class's constructor, we instantiate our private - objects, \c findButton and \c findDialog: + \snippet examples/addressbook-sdk/part5/addressbook.h findContact + \dots + \snippet examples/addressbook-sdk/part5/addressbook.h findButton + + Lastly, we declare the private variable, \c dialog, which we will use to + refer to an instance of \c FindDialog. + + Once we have instantiated a dialog, we might want to use it more than once; + using a private variable allows us to refer to it from more than one place + in the class. + + Within the \c AddressBook class's constructor, we insantiate our private + objects, \c findButton and \c dialog: + + \snippet examples/addressbook-sdk/part5/addressbook.cpp private members + + Next, we connect the \c{findButton}'s \l{QPushButton::}{clicked()} signal + to \c findContact(). + + \snippet examples/addressbook-sdk/part5/addressbook.cpp signal slot + + Now, all that is left is the code for our \c findContact() function: + + \snippet examples/addressbook-sdk/part5/addressbook.cpp findContact + + We start out by displaying the \c FindDialog instance, \c dialog. This is + when the user enters a contact name to look up. Once the user clicks the + dialog's \c findButton, the dialog is hidden and the result code is set to + QDialog::Accepted. THis ensures that our \c if statement is always true. + + We then proceed to extract the search string, which in this case is + \c contactName, using \c{FindDialog}'s \c getFindText() function. If the + contact exists in our address book, we display it immediately. Otherwise, + we display the QMessageBox shown below to indicate that their search + failed. + + # image + + The concept behind finding a contact only applies for cases where we have + more than two contacts in our address book. Hence, we implement this + behavior by modifying our \c{Navigation Mode} within our + \c updateInterface() function, by only enabling the \gui Find button when + we have more than two contacts. - \snippet examples/addressbook-sdk/part5/addressbook.cpp + \snippet examples/addressbook-sdk/part5/addressbook.cpp enable */ |