243 lines
7.7 KiB
QML
243 lines
7.7 KiB
QML
/*
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* Copyright (C) 2011 by Marco Martin <mart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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import QtQuick 2.0
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import org.kde.plasma.core 0.1 as PlasmaCore
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/**
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* A plasma theme based toolbar.
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*/
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Item{
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id: toolBar
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width: parent.width
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height: (tools && enabled) ? tools.height + frameSvg.margins.top + frameSvg.margins.bottom : 0
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visible: height > 0
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/**
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* type:Object margins
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* margins from the toolbar to the contents. It has 4 properties: left,
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* top, right, bottom
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*/
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property alias margins: frameSvg.margins
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Behavior on height {
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PropertyAnimation {
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id: heightAnimation
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duration: 250
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}
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}
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z: 1000
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/**
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* The ToolBarLayout that contains the ToolButton components that are
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* contained in the ToolBar. ToolBarLayout is not mandatory.
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*
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* The default value is null.
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*/
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property Item tools
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/**
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* The type of transition to be used for the ToolBar when the page changes
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* on the relevant PageStack.
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*
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* The possible values can be one of the following:
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*
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* - set: an instantaneous change (default)
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* - push: follows page stack push animation
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* - pop: follows page stack pop animation
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* - replace: follows page stack replace animation
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*/
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property string transition: "set"
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//This invisible item keeps all the old dismissed tools:
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//note that the outside application still has to keep references to them (or explicitly delete them) or they will just accumulate wasting memory
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Item {
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id: oldToolsItem
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visible: false
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}
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/**
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* This sets the tools for the ToolBar and the transition type that will be
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* used when the page changes on the relevant PageStack.
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*
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* @param type:Item tools see tool property
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* @param type:string transition see transition property
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*/
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function setTools(tools, transition)
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{
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if (toolBar.tools == tools) {
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return
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}
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if (connection.oldTools) {
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connection.oldTools.parent = oldToolsItem
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}
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connection.oldTools = toolBar.tools
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toolBar.transition = transition
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toolBar.tools = tools
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}
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Connections {
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id: connection
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target: toolBar
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property Item oldTools
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function internalToolsChanged()
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{
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var newContainer
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var oldContainer
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if (containerA.current) {
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newContainer = containerB
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oldContainer = containerA
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} else {
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newContainer = containerA
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oldContainer = containerB
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}
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containerA.current = !containerA.current
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if (tools) {
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tools.parent = newContainer
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tools.visible = true
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tools.anchors.left = newContainer.left
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tools.anchors.right = newContainer.right
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}
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switch (transition) {
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case "push":
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containerA.animationsEnabled = true
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oldContainer.x = -oldContainer.width/2
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containerA.animationsEnabled = false
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newContainer.x = newContainer.width/2
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newContainer.y = 0
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containerA.animationsEnabled = true
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newContainer.x = 0
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break
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case "pop":
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containerA.animationsEnabled = true
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oldContainer.x = oldContainer.width/2
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containerA.animationsEnabled = false
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newContainer.x = -newContainer.width/2
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newContainer.y = 0
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containerA.animationsEnabled = true
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newContainer.x = 0
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break
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case "replace":
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containerA.animationsEnabled = true
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oldContainer.y = oldContainer.height
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containerA.animationsEnabled = false
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newContainer.x = 0
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newContainer.y = -newContainer.height
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containerA.animationsEnabled = true
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newContainer.y = 0
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break
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case "set":
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default:
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containerA.animationsEnabled = false
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containerA.animationsEnabled = false
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oldContainer.x = -oldContainer.width/2
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newContainer.x = 0
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break
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}
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newContainer.opacity = 1
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oldContainer.opacity = 0
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}
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onToolsChanged: connection.internalToolsChanged()
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Component.onCompleted: connection.internalToolsChanged()
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}
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PlasmaCore.FrameSvgItem {
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id: frameSvg
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imagePath: "widgets/toolbar"
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anchors {
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fill: parent
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leftMargin: -margins.left
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rightMargin: -margins.right
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//FIXME: difference between actial border and shadow
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topMargin: toolBar.y <= 0 ? -margins.top : -margins.top/2
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bottomMargin: toolBar.y >= toolBar.parent.height - toolBar.height ? -margins.bottom : -margins.bottom/2
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}
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}
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Item {
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clip: containerAOpacityAnimation.running || heightAnimation.running
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anchors {
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fill: parent
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leftMargin: frameSvg.margins.left
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topMargin: frameSvg.margins.top
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rightMargin: frameSvg.margins.right
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bottomMargin: frameSvg.margins.bottom
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}
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// We have two containers here so that when we transition from one set of tools to another
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// we can have a nice transition animation with the old tools in one container and the
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// new tools in the other
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Item {
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id: containerA
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width: parent.width
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height: parent.height
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property bool animationsEnabled: false
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opacity: 0
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//this asymmetry just to not export a property
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property bool current: false
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Behavior on opacity {
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PropertyAnimation {
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id: containerAOpacityAnimation
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duration: 250
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}
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}
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Behavior on x {
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enabled: containerA.animationsEnabled
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PropertyAnimation {
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duration: 250
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}
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}
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Behavior on y {
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enabled: containerA.animationsEnabled
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PropertyAnimation {
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duration: 250
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}
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}
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}
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Item {
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id: containerB
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width: parent.width
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height: parent.height
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opacity: 0
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Behavior on opacity {
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PropertyAnimation { duration: 250 }
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}
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Behavior on x {
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enabled: containerA.animationsEnabled
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PropertyAnimation {
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duration: 250
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}
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}
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Behavior on y {
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enabled: containerA.animationsEnabled
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PropertyAnimation {
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duration: 250
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}
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}
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}
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}
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}
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