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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
import QtJsonDb 1.0 as JsonDb
import "content"
Item {
id: main
width: 400
height: 300
property var firstNames: ["Malcolm", "Zoe", "Hoban", "Inara", "Jayne", "Kaylee", "Simon", "River", "Shepard"]
property var lastNames: ["Reinolds", "Washburn", "Serra", "Cobb", "Frye", "Tam", "Book"]
property string statusMsg: ""
property string lastName: lastNameSelection.selectedChoice
property int count: 0;
JsonDb.Partition {
id: systemPartition
}
JsonDb.Query {
id: countQuery
partition: systemPartition
query: "[?_type=%type][?lastName=%lastName]"
bindings: { "type" : "Contact", "lastName" : lastName }
onResultsReady: count += countQuery.takeResults().length
onFinished: statusMsg = "All contacts counted"
}
Column {
anchors { fill: parent; margins: 10 }
spacing: 50
Row {
anchors.horizontalCenter: parent.horizontalCenter
width: childrenRect.width
height: childrenRect.height
spacing: 25
Select {
id: lastNameSelection
height: 50
width: 200
overlayParent: main
choices: lastNames
}
Button {
id: buttonCalculate
anchors.top: parent.top
text: "Count names"
onClicked: {
statusMsg = "";
count = 0;
countQuery.start();
}
}
}
Column {
anchors.horizontalCenter: parent.horizontalCenter
Text {
anchors.horizontalCenter: parent.horizontalCenter
font.pointSize: 10
text: "Number of people with last name " + lastName + ": "
}
Text {
anchors.horizontalCenter: parent.horizontalCenter
font.pointSize: 10
text: count + " (push 'count names' to refresh)"
}
}
Button {
anchors.horizontalCenter: parent.horizontalCenter
id: buttonCreate
text: "Add 100 contacts"
onClicked: {
count = 0;
function rand(n) { return Math.floor(Math.random() * n); }
var contacts = [];
for (var i = 0; i < 100; i++) {
var firstName = firstNames[rand(firstNames.length)]
var lastName = lastNames[rand(lastNames.length)]
contacts.push({"_type":"Contact", "firstName":firstName, "lastName":lastName});
}
systemPartition.create(contacts, contactCreateCallback);
}
}
}
Rectangle {
id: statusText
anchors.bottom: parent.bottom
width: parent.width
height: 20
color: "#cccccc"
Text {
anchors.centerIn: parent
text: statusMsg
}
}
function contactCreateCallback(error, response) {
if (error) {
console.log(JSON.stringify(error));
return;
}
statusMsg = "Created " + response.items.length + " contacts";
}
onLastNameChanged: count = 0
}
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