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/*
* Copyright 2014 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.12
import QtQuick.Window 2.2
import Lomiri.Components 1.3
Item {
id: optionsOverlay
property list<ListModel> options
property bool valueSelectorOpened: optionValueSelector.caller != null
function closeValueSelector() {
optionValueSelector.hide();
}
height: optionsGrid.height + optionsGrid.rowSpacing
Grid {
id: optionsGrid
anchors {
horizontalCenter: parent.horizontalCenter
}
columns: 3
columnSpacing: units.gu(9.5)
rowSpacing: units.gu(3)
Repeater {
model: optionsOverlay.options
delegate: OptionButton {
id: optionButton
model: modelData
onClicked: optionValueSelector.toggle(model, optionButton)
enabled: model.available && (!optionValueSelector.caller || optionValueSelector.caller == optionButton)
opacity: enabled ? 1.0 : 0.05
Behavior on opacity {LomiriNumberAnimation {duration: LomiriAnimation.FastDuration}}
}
}
}
ListView {
id: optionValueSelector
objectName: "optionValueSelector"
height: Math.min( contentHeight, screenHeight / 2 )
snapMode: ListView.SnapToItem
clip: true
interactive: true
flickableDirection: Flickable.VerticalFlick
boundsBehavior: Flickable.DragAndOvershootBounds
property OptionButton caller
property int screenHeight: ( (Screen.orientation == Qt.PortraitOrientation || Screen.orientation == Qt.InvertedPortraitOrientation)
? Screen.height
: Screen.width)
function toggle(model, callerButton) {
if (optionValueSelectorVisible && optionValueSelector.model === model) {
hide();
} else {
show(model, callerButton);
}
}
function show(model, callerButton) {
optionValueSelector.caller = callerButton;
optionValueSelector.model = model;
alignWith(callerButton);
optionValueSelectorVisible = true;
positionViewAtIndex(model.selectedIndex, ListView.Contain);
}
function hide() {
optionValueSelectorVisible = false;
optionValueSelector.caller = null;
}
function alignWith(item) {
if(model) {
forceLayout();
width = contentItem.childrenRect.width;
}
// horizontally center optionValueSelector with the center of item
// if there is enough space to do so, that is as long as optionValueSelector
// does not get cropped by the edge of the screen
var itemX = parent.mapFromItem(item, 0, 0).x;
var centeredX = itemX + item.width / 2.0 - width / 2.0;
var margin = units.gu(1);
if (centeredX < margin) {
x = itemX;
} else if (centeredX + width > item.parent.width - margin) {
x = itemX + item.width - width;
} else {
x = centeredX;
}
// vertically position the options above the caller button
y = Qt.binding(function() { return Math.max(-(screenHeight - (optionsOverlay.height - item.y) - units.gu(2)), optionsGrid.y + item.y - height - units.gu(2)) });
}
visible: opacity !== 0.0
onVisibleChanged: if (!visible) model = null;
opacity: optionValueSelectorVisible ? 1.0 : 0.0
Behavior on opacity {LomiriNumberAnimation {duration: LomiriAnimation.FastDuration}}
Connections {
target: parent
onWidthChanged: {
console.log("Flipped");
if(optionValueSelector.caller) { optionValueSelector.alignWith(optionValueSelector.caller); }
}
}
headerPositioning: ListView.OverlayHeader
header: Icon {
anchors.horizontalCenter: parent.horizontalCenter
height: units.gu(3)
visible: !optionValueSelector.atYBeginning
name:"go-up"
}
delegate: OptionValueButton {
anchors.left: parent.left
columnWidth: optionValueSelector.width
label: (model && model.label) ? i18n.tr(model.label) : ""
iconName: (model && model.icon) ? model.icon : ""
selected: optionValueSelector.model.selectedIndex == index
Component.onCompleted: {
if (model && model.iconSource) {
iconSource = model.iconSource
}
}
isLast: index === optionValueSelector.count - 1
onClicked: {
if (optionValueSelector.model.setSettingProperty) {
optionValueSelector.model.setSettingProperty(optionValueSelector.model.get(index).value);
} else {
settings[optionValueSelector.model.settingsProperty] = optionValueSelector.model.get(index).value;
}
}
}
footerPositioning: ListView.OverlayFooter
footer: Icon {
anchors.horizontalCenter: parent.horizontalCenter
height: units.gu(3)
visible: !optionValueSelector.atYEnd
name:"go-down"
}
}
}
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