ui/private/IconLoader.qml

0001 /*
0002 *   Copyright (C) 2011 by Marco MArtin <mart@kde.org>
0003 *
0004 *   This program is free software; you can redistribute it and/or modify
0005 *   it under the terms of the GNU Library General Public License as
0006 *   published by the Free Software Foundation; either version 2, or
0007 *   (at your option) any later version.
0008 *
0009 *   This program is distributed in the hope that it will be useful,
0010 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
0011 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0012 *   GNU Library General Public License for more details
0013 *
0014 *   You should have received a copy of the GNU Library General Public
0015 *   License along with this program; if not, write to the
0016 *   Free Software Foundation, Inc.,
0017 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
0018 */
0019
0020 /**Documented API
0021 Inherits:
0022         Item
0023
0024 Imports:
0025         QtQuick 1.1
0026         org.kde.plasma.core
0027         org.kde.qtextracomponents
0028
0029 Description:
0030  TODO i need more info here
0031
0032 Properties:
0033         bool valid:
0034         Returns if the icon is valid or not.
0035
0036         string source:
0037         Returns the dir,in which the icon exists.
0038 **/
0039
0040 import QtQuick 1.1
0041 import org.kde.plasma.core 0.1 as PlasmaCore
0042 import org.kde.qtextracomponents 0.1
0043
0044 Item {
0045     id: root
0046
0047     property bool valid: false
0048
0049     property variant source
0050
0051     onSourceChanged: {
0052         //is it a qicon?
0053         if (typeof source != "string") {
0054             imageLoader.sourceComponent = iconComponent
0055             valid = true
0056             return
0057         } else if (source == "") {
0058             imageLoader.sourceComponent = null
0059             valid = false
0060             return
0061         }
0062
0063         svgIcon.imagePath = "toolbar-icons/"+root.source.split("-")[0]
0064         if (!svgIcon.isValid() || !svgIcon.hasElement(root.source)) {
0065             svgIcon.imagePath = "icons/"+root.source.split("-")[0]
0066         }
0067
0068         if (svgIcon.isValid() && svgIcon.hasElement(root.source)) {
0069             imageLoader.sourceComponent = svgComponent
0070         } else if ((root.source.indexOf(".") == -1 && root.source.indexOf(":") == -1)) {
0071             imageLoader.sourceComponent = iconComponent
0072         } else {
0073             imageLoader.sourceComponent = imageComponent
0074         }
0075         valid = true
0076     }
0077
0078     implicitWidth: theme.smallIconSize
0079     implicitHeight: theme.smallIconSize
0080
0081     PlasmaCore.Svg {
0082         id: svgIcon
0083     }
0084
0085     function roundToStandardSize(size)
0086     {
0087         if (size >= theme.enormousIconSize) {
0088             return theme.enormousIconSize
0089         } else if (size >= theme.hugeIconSize) {
0090             return theme.hugeIconSize
0091         } else if (size >= theme.largeIconSize) {
0092             return theme.largeIconSize
0093         } else if (size >= theme.mediumIconSize) {
0094             return theme.mediumIconSize
0095         } else if (size >= theme.smallMediumIconSize) {
0096             return theme.smallMediumIconSize
0097         } else {
0098             return theme.smallIconSize
0099         }
0100     }
0101
0102     Loader {
0103         id: imageLoader
0104         anchors.fill: parent
0105
0106         Component {
0107             id: svgComponent
0108
0109             PlasmaCore.SvgItem {
0110                 svg: svgIcon
0111                 elementId: root.source
0112                 anchors.fill: parent
0113                 smooth: true
0114             }
0115         }
0116
0117         Component {
0118             id: iconComponent
0119
0120             QIconItem {
0121                 icon: (typeof source == "string") ? QIcon(root.source) : root.source
0122                 smooth: true
0123                 anchors.fill: parent
0124             }
0125         }
0126
0127         Component {
0128             id: imageComponent
0129
0130             Image {
0131                 source: root.source
0132                 sourceSize.width: width
0133                 sourceSize.height: height
0134                 fillMode: Image.PreserveAspectFit
0135                 smooth: true
0136                 anchors.fill: parent
0137             }
0138         }
0139     }
0140 }