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author | Qt Continuous Integration System <qt-info@nokia.com> | 2010-12-11 06:45:56 (GMT) |
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committer | Qt Continuous Integration System <qt-info@nokia.com> | 2010-12-11 06:45:56 (GMT) |
commit | 9e8234f7130ccbe6cb1893ab3d03de83e0891285 (patch) | |
tree | f6efd412700768a403347866f2348fa6feada8b2 /doc/src/declarative/javascriptblocks.qdoc | |
parent | 2aa21ab606a14ba63acb8f42fe4eb9f99ddad277 (diff) | |
parent | 98115cf6f3d2a60c7eecc7ddfe6a491f98a60866 (diff) | |
download | Qt-9e8234f7130ccbe6cb1893ab3d03de83e0891285.zip Qt-9e8234f7130ccbe6cb1893ab3d03de83e0891285.tar.gz Qt-9e8234f7130ccbe6cb1893ab3d03de83e0891285.tar.bz2 |
Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml:
QmlViewer: Remove trailing whitespace
QmlViewer: Remove trailing whitespace
QmlViewer: Fix crash on exit
PathView: removing the currentIndex could make it invalid.
Fix broken database creation caused by previous fix
Improvements to anchoring docs
QDeclarativeProperty doc improvements
Update QtGui bwins def file for QTBUG-15615
highlightFollowsCurrentItem: false was not always honored
ListView: Fix calculation of currentItem position when out of view.
Update QtGui def files
Fix openDatabaseSync() to not create unused directory
Document support for QVariantList and QVariantMap type conversion
Some doc clarification for components and javascript integration
Cursor shouldn't blink while dragging cursor position
Qt.include() docs weren't being picked up by qdoc
Doc: make it clear that "z" affects sibling stacking order.
Diffstat (limited to 'doc/src/declarative/javascriptblocks.qdoc')
-rw-r--r-- | doc/src/declarative/javascriptblocks.qdoc | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/doc/src/declarative/javascriptblocks.qdoc b/doc/src/declarative/javascriptblocks.qdoc index 16d0633..155bd6e 100644 --- a/doc/src/declarative/javascriptblocks.qdoc +++ b/doc/src/declarative/javascriptblocks.qdoc @@ -94,9 +94,8 @@ Both relative and absolute JavaScript URLs can be imported. In the case of a relative URL, the location is resolved relative to the location of the \l {QML Document} that contains the import. If the script file is not accessible, an error will occur. If the JavaScript needs to be fetched from a network -resource, the QML document has a "Loading" -\l {QDeclarativeComponent::status()}{status} until the script has been -downloaded. +resource, the component's \l {QDeclarativeComponent::status()}{status} is set to +"Loading" until the script has been downloaded. Imported JavaScript files are always qualified using the "as" keyword. The qualifier for JavaScript files must be unique, so there is always a one-to-one @@ -143,6 +142,31 @@ As they are shared, stateless library files cannot access QML component instance objects or properties directly, although QML values can be passed as function parameters. + +\section2 Importing One JavaScript File From Another + +If a JavaScript file needs to use functions defined inside another JavaScript file, +the other file can be imported using the \l {QML:Qt::include()}{Qt.include()} +function. This imports all functions from the other file into the current file's +namespace. + +For example, the QML code below left calls \c showCalculations() in \c script.js, +which in turn can call \c factorial() in \c factorial.js, as it has included +\c factorial.js using \l {QML:Qt::include()}{Qt.include()}. + +\table +\row +\o {1,2} \snippet doc/src/snippets/declarative/integrating-javascript/includejs/app.qml 0 +\o \snippet doc/src/snippets/declarative/integrating-javascript/includejs/script.js 0 +\row +\o \snippet doc/src/snippets/declarative/integrating-javascript/includejs/factorial.js 0 +\endtable + +Notice that calling \l {QML:Qt::include()}{Qt.include()} imports all functions from +\c factorial.js into the \c MyScript namespace, which means the QML component can also +access \c factorial() directly as \c MyScript.factorial(). + + \section1 Running JavaScript at Startup It is occasionally necessary to run some imperative code at application (or |