todo.qml Example File | Enginio QML Types and Examples 1.1

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- Enginio QML Examples - Todos
- todo.qml Example File
- Enginio 1.1.2 Reference Documentation

# todo.qml Example File

todos/todo.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 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,
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    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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    ** 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."
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    ****************************************************************************/

    import QtQuick 2.0
    import Enginio 1.0

    Item {
        width: 400
        height: 640
        BackendHelper{
            id: backendHelper
        }

        Rectangle {
            id: root
            color: "#f4f4f4"
            anchors.fill: parent
            opacity: 1 - backendHelper.opacity

            EnginioModel {
                id: enginioModel
                client: EnginioClient {
                    backendId: backendHelper.backendId
                    onError: console.log("Enginio error:", JSON.stringify(reply.data))
                }
                query: {"objectType": "objects.todos" }
            }

            // A simple layout:
            // a listview and a line edit with button to add to the list
            Rectangle {
                id: header
                anchors.top: parent.top
                width: parent.width
                height: 70
                color: "white"

                Row {
                    id: logo
                    anchors.centerIn: parent
                    anchors.horizontalCenterOffset: -4
                    spacing: 4
                    Image {
                        source: "qrc:images/enginio.png"
                        width: 160 ; height: 60
                        fillMode: Image.PreserveAspectFit
                    }
                    Text {
                        text: "Todos"
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.verticalCenterOffset: -3
                        font.bold: true
                        font.pixelSize: 46
                        color: "#555"
                    }
                }
                Rectangle {
                    width: parent.width ; height: 1
                    anchors.bottom: parent.bottom
                    color: "#bbb"
                }
            }

            ListView {
                id: listview
                model: enginioModel
                delegate: listItemDelegate
                anchors.top: header.bottom
                anchors.bottom: footer.top
                width: parent.width
                clip: true

                // Animations
                add: Transition { NumberAnimation { properties: "y"; from: root.height; duration: 250 } }
                removeDisplaced: Transition { NumberAnimation { properties: "y"; duration: 150 } }
                remove: Transition { NumberAnimation { property: "opacity"; to: 0; duration: 150 } }
            }

            BorderImage {
                id: footer

                width: parent.width
                anchors.bottom: parent.bottom
                source: "qrc:images/delegate.png"
                border.left: 5; border.top: 5
                border.right: 5; border.bottom: 5

                Rectangle {
                    y: -1 ; height: 1
                    width: parent.width
                    color: "#bbb"
                }
                Rectangle {
                    y: 0 ; height: 1
                    width: parent.width
                    color: "white"
                }

                BorderImage {

                    anchors.left: parent.left
                    anchors.right: addButton.left
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.margins: 16
                    source:"images/textfield.png"
                    border.left: 14 ; border.right: 14 ; border.top: 8 ; border.bottom: 8

                    TextInput{
                        id: textInput
                        anchors.fill: parent
                        clip: true
                        anchors.leftMargin: 14
                        anchors.rightMargin: 14
                        verticalAlignment: Text.AlignVCenter
                        font.pixelSize: 22
                        Text {
                            id: placeholderText
                            anchors.fill: parent
                            verticalAlignment: Text.AlignVCenter
                            visible: !(parent.text.length || parent.inputMethodComposing)
                            font: parent.font
                            text: "New todo..."
                            color: "#aaa"
                        }
                        onAccepted: {
                            enginioModel.append({"title": textInput.text, "completed": false})
                            textInput.text = ""
                        }
                    }
                }

                Item {
                    id: addButton

                    width: 40 ; height: 40
                    anchors.margins: 20
                    anchors.right: parent.right
                    anchors.verticalCenter: parent.verticalCenter
                    enabled: textInput.text.length
                    Image {
                        source: addMouseArea.pressed ? "qrc:icons/add_icon_pressed.png" : "qrc:icons/add_icon.png"
                        anchors.centerIn: parent
                        opacity: enabled ? 1 : 0.5
                    }
                    MouseArea {
                        id: addMouseArea
                        anchors.fill: parent
                        onClicked: textInput.accepted()
                    }
                }
            }

            Component {
                id: listItemDelegate

                BorderImage {
                    id: item

                    width: parent.width ; height: 70
                    source: mouse.pressed ? "qrc:images/delegate_pressed.png" : "qrc:images/delegate.png"
                    border.left: 5; border.top: 5
                    border.right: 5; border.bottom: 5

                    Image {
                        id: shadow
                        anchors.top: parent.bottom
                        width: parent.width
                        visible: !mouse.pressed
                        source: "qrc:images/shadow.png"
                    }

                    MouseArea {
                        id: mouse
                        anchors.fill: parent
                        hoverEnabled: true
                        onClicked: {
                            if (index !== -1 && _synced) {
                                enginioModel.setProperty(index, "completed", !completed)
                            }
                        }
                    }
                    Image {
                        id: checkbox
                        anchors.left: parent.left
                        anchors.leftMargin: 16
                        width: 32
                        fillMode: Image.PreserveAspectFit
                        anchors.verticalCenter: parent.verticalCenter
                        source: completed ? "qrc:images/checkmark.png" : ""
                    }

                    Text {
                        id: todoText
                        text: title
                        font.pixelSize: 26
                        color: "#333"

                        anchors.verticalCenter: parent.verticalCenter
                        anchors.left: checkbox.right
                        anchors.right: parent.right
                        anchors.leftMargin: 12
                        anchors.rightMargin: 40
                        elide: Text.ElideRight
                    }

                    // Show a delete button when the mouse is over the delegate
                    Image {
                        id: removeIcon

                        source: removeMouseArea.pressed ? "qrc:icons/delete_icon_pressed.png" : "qrc:icons/delete_icon.png"
                        anchors.margins: 20
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.right: parent.right
                        opacity: enabled ? 1 : 0.5
                        Behavior on opacity {NumberAnimation{duration: 100}}
                        MouseArea {
                            id: removeMouseArea
                            anchors.fill: parent
                            onClicked: enginioModel.remove(index)
                        }
                    }
                }
            }
        }
    }