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6 ** This file is part of the examples of the Qt Toolkit.
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46 width: 300; height: 400
54 property bool held: false
56 anchors { left: parent.left; right: parent.right }
57 height: content.height
59 enabled: visualModel.sortOrder == visualModel.lessThan.length
61 drag.target: held ? content : undefined
64 onPressAndHold: held = true
65 onReleased: held = false
71 horizontalCenter: parent.horizontalCenter
72 verticalCenter: parent.verticalCenter
74 width: dragArea.width; height: column.implicitHeight + 4
77 border.color: "lightsteelblue"
79 color: dragArea.held ? "lightsteelblue" : "white"
80 Behavior on color { ColorAnimation { duration: 100 } }
84 Drag.active: dragArea.held
86 Drag.hotSpot.x: width / 2
87 Drag.hotSpot.y: height / 2
92 ParentChange { target: content; parent: root }
95 anchors { horizontalCenter: undefined; verticalCenter: undefined }
101 anchors { fill: parent; margins: 2 }
103 Text { text: 'Name: ' + name }
104 Text { text: 'Type: ' + type }
105 Text { text: 'Age: ' + age }
106 Text { text: 'Size: ' + size }
111 anchors { fill: parent; margins: 10 }
114 visualModel.items.move(
115 drag.source.VisualDataModel.itemsIndex,
116 dragArea.VisualDataModel.itemsIndex)
125 property var lessThan: [
126 function(left, right) { return left.name < right.name },
127 function(left, right) { return left.type < right.type },
128 function(left, right) { return left.age < right.age },
129 function(left, right) {
130 if (left.size == "Small")
132 else if (right.size == "Small")
134 else if (left.size == "Medium")
143 property int sortOrder: orderSelector.selectedIndex
144 onSortOrderChanged: items.setGroups(0, items.count, "unsorted")
148 function insertPosition(lessThan, item) {
150 var upper = items.count
151 while (lower < upper) {
152 var middle = Math.floor(lower + (upper - lower) / 2)
153 var result = lessThan(item.model, items.get(middle).model);
163 function sort(lessThan) {
164 while (unsortedItems.count > 0) {
165 var item = unsortedItems.get(0)
166 var index = insertPosition(lessThan, item)
168 item.groups = "items"
169 items.move(item.itemsIndex, index)
175 items.includeByDefault: false
177 groups: VisualDataGroup {
181 includeByDefault: true
184 if (visualModel.sortOrder == visualModel.lessThan.length)
185 setGroups(0, count, "items")
187 visualModel.sort(visualModel.lessThan[visualModel.sortOrder])
194 delegate: dragDelegate
201 left: parent.left; top: parent.top; right: parent.right; bottom: orderSelector.top;
214 anchors { left: parent.left; right: parent.right; bottom: parent.bottom; margins: 2 }
217 list: [ "Name", "Type", "Age", "Size", "Custom" ]