summaryrefslogtreecommitdiffstats
path: root/desktop_devguide/chapter_06/src/notezapp/Note.qml
blob: db4052dd7cfc167a5caadc1cf2b92f21e096c6e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/

// Note.qml

import QtQuick 2.0

Item {
    id: root
    width: 200; height: 200

    property string markerId
    property int noteId
    property alias noteText: editArea.text

    // this property holds the container of notes
    // and is used to retrieve values for
    // the maximum and minimum dragging areas
    property variant container

    // setting the z order to 1 if the text area has the focus
    z: editArea.activeFocus ? 1:0

    BorderImage {
        id: noteImage
        anchors { fill: parent}
        source: "images/personal_note.png"
        border.left: 20; border.top: 20
        border.right: 20; border.bottom: 20
    }

    // creating a NoteToolbar item that will be anchored
    // to its parent
    NoteToolbar {
        id: toolbar
        height: 40
        anchors {
            top: root.top;
            left: root.left;
            right: root.right
        }
        // using the drag property alias
        // to set the drag.target to our Note item.
        drag.target: root

        // specifying the maximum and minimum
        // dragging areas for the note
        drag.minimumX: root.container.x
        drag.maximumX: root.container.width - root.width
        drag.minimumY: root.container.y
        drag.maximumY: root.container.height - root.height

        // setting the focus on the text area
        // when the toolbar is pressed
        onPressed: editArea.focus = true

        // creating the `delete` tool for
        // deleting the note item
        Tool {
            id: deleteItem
            source: "images/delete.png"
            onClicked: root.destroy()
        }
    }

    // creating a TextEdit item
    TextEdit {
        id: editArea
        height: 150
        anchors {
            top: toolbar.bottom;
            left: parent.left;
            right: parent.right
            topMargin: 0;
            leftMargin: 20;
            rightMargin: 20;
            bottomMargin: 100
        }

        color: "blue"
        selectByMouse: true
        wrapMode: TextEdit.WrapAnywhere
        font.family: window.webfont.name
        font.pointSize: 13

        // called when the painterHeight property changes
        // then the note height has to be updated
        // based on the text input
        onPaintedHeightChanged: updateNoteHeight()
    }

    // defining a behavior when the height
    // property changes for editArea
    Behavior on height { NumberAnimation {} }

    // javascript helper function that calculates
    // the height of the note as more text
    // input is done or removed.
    function updateNoteHeight() {
        var noteMinHeight = 200
        var currentHeight = editArea.paintedHeight
                + toolbar.height +40;

        root.height = noteMinHeight;
        if (currentHeight >= noteMinHeight) {
            root.height = currentHeight
        }

    }
}