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Added new convenience readonly visibleChildren property to Item
Change-Id: I5ec541226fabd72c05ce8ccb8bb7e56f6ec7717a Task-number: 22724 Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>
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Mathias Malmqvist
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Qt by Nokia
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Feb 9, 2012
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143 changes: 143 additions & 0 deletions
143
tests/auto/qtquick2/qquickitem2/data/visiblechildren.qml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| import QtQuick 2.0 | ||
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| Item { | ||
| id: root | ||
| width: 400 | ||
| height: 300 | ||
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| Row { | ||
| id: row | ||
| Item { id: item1 | ||
| Item { id: item1_1; visible: true } | ||
| Item { id: item1_2; visible: true } | ||
| } | ||
| Item { id: item2 } | ||
| Item { id: item3 | ||
| Item { id: item3_1; visible: false } | ||
| Item { id: item3_2; visible: false } | ||
| } | ||
| Item { id: item4; visible: false | ||
| Item { id: item4_1 // implicitly invisible | ||
| Item { id: item4_1_1 } // implicitly invisible | ||
| Item { id: item4_1_2 } // implicitly invisible | ||
| } | ||
| } | ||
| } | ||
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| property int row_changeEventCalls: 0 | ||
| property int item1_changeEventCalls: 0 | ||
| property int item2_changeEventCalls: 0 | ||
| property int item3_changeEventCalls: 0 | ||
| property int item4_1_changeEventCalls: 0 | ||
| property int item4_1_1_changeEventCalls: 0 | ||
| Connections { target: row; onVisibleChildrenChanged: row_changeEventCalls++ } | ||
| Connections { target: item1; onVisibleChildrenChanged: item1_changeEventCalls++ } | ||
| Connections { target: item2; onVisibleChildrenChanged: item2_changeEventCalls++ } | ||
| Connections { target: item3; onVisibleChildrenChanged: item3_changeEventCalls++ } | ||
| Connections { target: item4_1; onVisibleChildrenChanged: item4_1_changeEventCalls++ } | ||
| Connections { target: item4_1_1; onVisibleChildrenChanged: item4_1_1_changeEventCalls++ } | ||
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| // Make sure there are three visible children and no signals fired yet | ||
| property bool test1_1: row.visibleChildren.length == 3 | ||
| property bool test1_2: row.visibleChildren[0] == item1 && row.visibleChildren[1] == item2 && row.visibleChildren[2] == item3 | ||
| property bool test1_3: row_changeEventCalls == 0 | ||
| property bool test1_4: item1_changeEventCalls == 0 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0 | ||
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| // Next test | ||
| function hideFirstAndLastRowChild() { | ||
| item1.visible = false; | ||
| item3.visible = false; | ||
| } | ||
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| // Make sure row is signaled twice and item1 only once, and item3 not at all, and that item2 is the visible child | ||
| property bool test2_1: row.visibleChildren.length == 1 | ||
| property bool test2_2: row.visibleChildren[0] == item2 | ||
| property bool test2_3: row_changeEventCalls == 2 | ||
| property bool test2_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0 | ||
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| // Next test | ||
| function showLastRowChildsLastChild() { | ||
| item3_2.visible = true; | ||
| } | ||
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| // Make sure item3_changeEventCalls is not signaled | ||
| property bool test3_1: row.visibleChildren.length == 1 | ||
| property bool test3_2: row.visibleChildren[0] == item2 | ||
| property bool test3_3: row_changeEventCalls == 2 | ||
| property bool test3_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0 | ||
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| // Next test | ||
| function showLastRowChild() { | ||
| item3.visible = true; | ||
| } | ||
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| // Make sure row and item3 are signaled | ||
| property bool test4_1: row.visibleChildren.length == 2 | ||
| property bool test4_2: row.visibleChildren[0] == item2 && row.visibleChildren[1] == item3 | ||
| property bool test4_3: row_changeEventCalls == 3 | ||
| property bool test4_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 1 | ||
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| // Next test | ||
| function tryWriteToReadonlyVisibleChildren() { | ||
| var foo = fooComponent.createObject(root); | ||
| if (Qt.isQtObject(foo) && foo.children.length == 3 && foo.visibleChildren.length == 3) { | ||
| test5_1 = true; | ||
| } | ||
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| foo.visibleChildren.length = 10; // make sure this has no effect | ||
| test5_1 = (foo.visibleChildren.length == 3); | ||
| delete foo; | ||
| } | ||
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| Component { | ||
| id: fooComponent | ||
| Item { | ||
| children: [ Item {},Item {},Item {} ] | ||
| visibleChildren: [ Item {} ] | ||
| } | ||
| } | ||
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| // Make sure visibleChildren.length is 3 and stays that way | ||
| property bool test5_1: false | ||
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| // Next test | ||
| function reparentVisibleItem3() { | ||
| item3.parent = hiddenItem; // item3 has one visible children | ||
| } | ||
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| Item { id: hiddenItem; visible: false } | ||
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| property bool test6_1: row.visibleChildren.length == 1 && row_changeEventCalls == 4 | ||
| property bool test6_2: item3_changeEventCalls == 2 | ||
| property bool test6_3: item3.visible == false | ||
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| // Next test | ||
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| property bool test6_4: item4_1.visible == false && item4_1_changeEventCalls == 0 | ||
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| function reparentImlicitlyInvisibleItem4_1() { | ||
| item4_1.parent = visibleItem; | ||
| } | ||
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| Item { id: visibleItem; visible: true } | ||
| property int visibleItem_changeEventCalls: 0 | ||
| Connections { target: visibleItem; onVisibleChildrenChanged: visibleItem_changeEventCalls++ } | ||
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| // Make sure that an item with implictly invisible children will be signaled when reparented to a visible parent | ||
| property bool test7_1: row.visibleChildren.length == 1 && row_changeEventCalls == 4 | ||
| property bool test7_2: item4_1.visible == true | ||
| property bool test7_3: item4_1_changeEventCalls == 1 | ||
| property bool test7_4: visibleItem_changeEventCalls == 1 | ||
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| // FINALLY make sure nothing has changes while we weren't paying attention | ||
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| property bool test8_1: row.visibleChildren.length == 1 && row.visibleChildren[0] == item2 && row_changeEventCalls == 4 | ||
| property bool test8_2: item1_changeEventCalls == 1 && item1.visible == false | ||
| property bool test8_3: item2_changeEventCalls == 0 && item2.visible == true | ||
| property bool test8_4: item3_changeEventCalls == 2 && item3.visible == false | ||
| property bool test8_5: item4_1_1_changeEventCalls == 0 && item4_1_1.visible == true | ||
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| } |
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