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/*
* Copyright (C) 2011 by Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* 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 Library General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import QtQuick 1.1
import org.kde.plasma.core 0.1 as PlasmaCore
/**
* A plasma theme based toolbar.
*/
Item{
id: toolBar
width: parent.width
height: (tools && enabled) ? tools.height + frameSvg.margins.top + frameSvg.margins.bottom : 0
visible: height > 0
/**
* type:Object margins
* margins from the toolbar to the contents. It has 4 properties: left,
* top, right, bottom
*/
property alias margins: frameSvg.margins
Behavior on height {
PropertyAnimation {
id: heightAnimation
duration: 250
}
}
z: 1000
/**
* The ToolBarLayout that contains the ToolButton components that are
* contained in the ToolBar. ToolBarLayout is not mandatory.
*
* The default value is null.
*/
property Item tools
/**
* The type of transition to be used for the ToolBar when the page changes
* on the relevant PageStack.
*
* The possible values can be one of the following:
*
* - set: an instantaneous change (default)
* - push: follows page stack push animation
* - pop: follows page stack pop animation
* - replace: follows page stack replace animation
*/
property string transition: "set"
//This invisible item keeps all the old dismissed tools:
//note that the outside application still has to keep references to them (or explicitly delete them) or they will just accumulate wasting memory
Item {
id: oldToolsItem
visible: false
}
/**
* This sets the tools for the ToolBar and the transition type that will be
* used when the page changes on the relevant PageStack.
*
* @param type:Item tools see tool property
* @param type:string transition see transition property
*/
function setTools(tools, transition)
{
if (toolBar.tools == tools) {
return
}
if (connection.oldTools) {
connection.oldTools.parent = oldToolsItem
}
connection.oldTools = toolBar.tools
toolBar.transition = transition
toolBar.tools = tools
}
Connections {
id: connection
target: toolBar
property Item oldTools
function internalToolsChanged()
{
var newContainer
var oldContainer
if (containerA.current) {
newContainer = containerB
oldContainer = containerA
} else {
newContainer = containerA
oldContainer = containerB
}
containerA.current = !containerA.current
if (tools) {
tools.parent = newContainer
tools.visible = true
tools.anchors.left = newContainer.left
tools.anchors.right = newContainer.right
}
switch (transition) {
case "push":
containerA.animationsEnabled = true
oldContainer.x = -oldContainer.width/2
containerA.animationsEnabled = false
newContainer.x = newContainer.width/2
newContainer.y = 0
containerA.animationsEnabled = true
newContainer.x = 0
break
case "pop":
containerA.animationsEnabled = true
oldContainer.x = oldContainer.width/2
containerA.animationsEnabled = false
newContainer.x = -newContainer.width/2
newContainer.y = 0
containerA.animationsEnabled = true
newContainer.x = 0
break
case "replace":
containerA.animationsEnabled = true
oldContainer.y = oldContainer.height
containerA.animationsEnabled = false
newContainer.x = 0
newContainer.y = -newContainer.height
containerA.animationsEnabled = true
newContainer.y = 0
break
case "set":
default:
containerA.animationsEnabled = false
containerA.animationsEnabled = false
oldContainer.x = -oldContainer.width/2
newContainer.x = 0
break
}
newContainer.opacity = 1
oldContainer.opacity = 0
}
onToolsChanged: connection.internalToolsChanged()
Component.onCompleted: connection.internalToolsChanged()
}
PlasmaCore.FrameSvgItem {
id: frameSvg
imagePath: "widgets/toolbar"
anchors {
fill: parent
leftMargin: -margins.left
rightMargin: -margins.right
//FIXME: difference between actial border and shadow
topMargin: toolBar.y <= 0 ? -margins.top : -margins.top/2
bottomMargin: toolBar.y >= toolBar.parent.height - toolBar.height ? -margins.bottom : -margins.bottom/2
}
}
Item {
clip: containerAOpacityAnimation.running || heightAnimation.running
anchors {
fill: parent
leftMargin: frameSvg.margins.left
topMargin: frameSvg.margins.top
rightMargin: frameSvg.margins.right
bottomMargin: frameSvg.margins.bottom
}
// We have two containers here so that when we transition from one set of tools to another
// we can have a nice transition animation with the old tools in one container and the
// new tools in the other
Item {
id: containerA
width: parent.width
height: parent.height
property bool animationsEnabled: false
opacity: 0
//this asymmetry just to not export a property
property bool current: false
Behavior on opacity {
PropertyAnimation {
id: containerAOpacityAnimation
duration: 250
}
}
Behavior on x {
enabled: containerA.animationsEnabled
PropertyAnimation {
duration: 250
}
}
Behavior on y {
enabled: containerA.animationsEnabled
PropertyAnimation {
duration: 250
}
}
}
Item {
id: containerB
width: parent.width
height: parent.height
opacity: 0
Behavior on opacity {
PropertyAnimation { duration: 250 }
}
Behavior on x {
enabled: containerA.animationsEnabled
PropertyAnimation {
duration: 250
}
}
Behavior on y {
enabled: containerA.animationsEnabled
PropertyAnimation {
duration: 250
}
}
}
}
}
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