Lightning Launcher

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====== About the script ======
  * Purpose : This script will allow you to set up page bookmarks, which won't scroll but instead fade
  * Author : [[https://plus.google.com/+LukasMorawietz|LM13]]
  * Current Version : 1.1
  * Link : https://plus.google.com/110839325256080910341/posts/6ap4YGPEJy3
  * Video : https://plus.google.com/115366157037831519359/posts/QjcaoeFJeU3

====== Changelog ====== 
  * Version 1.0 (13/7/2014): initial release in wiki
  * Version 1.1 (16/7/2014): fix for startpage is the same as destinationpage and fix for x or y pinned items

====== How to use the script ======
  * create a shortcut to the script and tap it
  * Scroll to the page you want the shortcut to point at
  * Run the script from menu (you have to enable that in script editor)
  * Use your nice new fading bookmark by tapping the shortcut 

====== Issues and hints ======
  * you can reset a shortcut by deleting its tag

//please report all bugs in the g+ community//

====== Script code ======
<sxh javascript;>//config
var speed=50;//lower is faster, 1 for instant, 255 for slowest
//endconfig


var e=LL.getEvent();
var c=e.getContainer();
var i=e.getItem()||c.getItemById(parseInt(LL.getScriptTag()));
if(e.getSource()!="SHORTCUT")
{
if(i!=null)
{
i.setTag(JSON.stringify([Math.round(c.getPositionX()/c.getWidth())*c.getWidth(),Math.round(c.getPositionY()/c.getHeight())*c.getHeight()]));
Android.makeNewToast("Page saved.",false).show();
LL.setScriptTag(null);
}
else Android.makeNewToast("Error: No shortcut selected.\nTap on the shortcut first.",false).show();
return;
}
if(i.getTag()==null)
{
LL.setScriptTag(i.getId());
Android.makeNewToast("Shortcut selected.\nNow launch the script from menu where you want the shortcut to point at",false).show();
return;
}

var goTo=JSON.parse(i.getTag());
var start=[Math.round(c.getPositionX()/c.getWidth())*c.getWidth(),Math.round(c.getPositionY()/c.getHeight())*c.getHeight()];
c.setPosition(start[0],start[1]);
if(goTo[0]==start[0]&&goTo[1]==start[1])return;
var dwidth=c.getWidth();
var dheight=c.getHeight();
var page0=[];
var page1=[];
var counter=[0,0];
var items=c.getItems();
var zorder=items.length;
for(a=0;a<items.length;a++)
{
var item=items.getAt(a);
var pin=item.getProperties() .getString("i.pinMode");
if(pin=="NONE"||(goTo[0]!=start[0]&&pin=="Y")||(goTo[1]!=start[1]&&pin=="X"))
{
var x=item.getPositionX();
var y=item.getPositionY();
if(x>=start[0]&&x<start[0]+dwidth&&y>=start[1]&&y<start[1]+dheight)
{
page0[counter[0]]=item;
counter[0]++;
zorder=Math.min(zorder,c.getItemZIndex(item.getId()));
}
else if(x>=goTo[0]&&x<goTo[0]+dwidth&&y>=goTo[1]&&y<goTo[1]+dheight)
{
page1[counter[1]]=item;
counter[1]++;
}
}
}
page0.length=counter[0];
page1.length=counter[1];
for(a=0;a<page1.length;a++)
{
var item=page1[a];
var x=(item.getPositionX()%dwidth+ dwidth)%dwidth;
var y=((item.getPositionY()%dheight +dheight)%dheight);
item.getProperties().edit().setInteger("i.alpha",255).commit();
if(item.getProperties().getBoolean("i.onGrid"))
{
var cell=item.getCell();
item.setCell(cell.getLeft()-Math.round((goTo[0]-start[0])/c.getCellWidth()),cell.getTop()-Math.round((goTo[1]-start[1])/c.getCellHeight()), cell.getRight()-Math.round((goTo[0]-start[0])/c.getCellWidth()),cell.getBottom()-Math.round((goTo[1]-start[1])/c.getCellHeight()));
}
else item.setPosition(start[0]+x,start[1]+y);
if(c.getItemZIndex(item)>=zorder)c.setItemZIndex(item,0);
}
var diff=0;
LL.writeToLogFile(page0+"\n"+page1,false);
step();

function step()
{
diff+=255/speed;
if(diff<255)
{
for(a=0;a<page1.length;a++)
{
	var item=page1[a];
item.getProperties().edit().setInteger("i.alpha",diff).commit();
}
for(a=0;a<page0.length;a++)
{
	var item=page0[a];
item.getProperties().edit().setInteger("i.alpha",255-diff).commit();
}
setTimeout(step,0);
}
else
{
for(a=0;a<page1.length;a++)
{
var item=page1[a];
var x=(item.getPositionX()%dwidth+ dwidth)%dwidth;
var y=((item.getPositionY()%dheight +dheight)%dheight);
item.getProperties().edit().setInteger("i.alpha",255).commit();

if(item.getProperties().getBoolean("i.onGrid"))
{
var cell=item.getCell();
item.setCell(cell.getLeft()+Math.round((goTo[0]-start[0])/c.getCellWidth()),cell.getTop()+Math.round((goTo[1]-start[1])/c.getCellHeight()), cell.getRight()+Math.round((goTo[0]-start[0])/c.getCellWidth()),cell.getBottom()+Math.round((goTo[1]-start[1])/c.getCellHeight()));
}
else item.setPosition(goTo[0]+x,goTo[1]+y);
}
c.setPosition(goTo[0],goTo[1],1,false);
for(a=0;a<page0.length;a++)
{
	var item=page0[a];
item.getProperties().edit().setInteger("i.alpha",255).commit();
}
}
}

</sxh>
Lightning Launcher

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