Sencha Touch 2 includes Ext.util.Droppable and Ext.util.Draggable classes. Does anyone have a simple example showing how basic drag and drop behavior works?
It seems any component can be made draggable with the 'draggable' config option. Here I create a simple Panel with a draggable image component:
Ext.create("Ext.Panel", {
fullscreen: true,
items: [
{
xtype: 'image',
src: 'http://www.sencha.com/assets/images/sencha-avatar-64x64.png',
height: 64,
width: 64,
left: '10px',
top: '10px',
draggable: {
direction: 'both',
},
}
]
});
and that works fine: the component can now be dragged around inside the Panel.
But how do we now make a simple "drop target" using the Ext.util.Droppable class?
Related
I have the following custom component build
Ext.define('TRA.view.MainMenuItemView', {
xtype: 'mainmenuitem',
extend: 'Ext.Container',
text: 'Menu text',
icon: './resources/icons/Icon.png',
tap: function(){
},
config: {
layout: {
type: 'vbox',
pack: 'center',
align: 'center'
},
items: [
{
width: '115px',
height: '115px',
style: 'border-radius: 50%; background-color: #e4e4e6',
items: [
{
xtype: 'image',
src: '',
width: '65px',
height: '65px',
centered: true
}
]
},
{
xtype: 'label',
html: '',
margin: '5px 0',
style: 'color: #455560; text-align: center; text-transform: uppercase; font-weight: bold;'
}
]
},
initialize: function() {
var me = this;
me.callParent(arguments);
//set icon
me.getAt(0).getAt(0).setSrc(me.icon);
//set text
me.getAt(1).setHtml(me.text);
//setup componet event
me.element.onAfter('tap', me.tap);
}
})
and I'm using it on other containers as this
{
xtype: 'mainmenuitem',
text: 'Signal Coverage',
icon: './resources/images/icon-signal-coverage.png',
tap: function() {
var nav = Ext.ComponentQuery.query('#mainnavigationview')[0];
nav.push({
title: 'Signal Coverage',
html: 'test Signal Coverage'
});
}
}
Quite strangely it all works all well normally except when I build the sencha app for native or for web build using sencha cmd
sencha app build production
the production version does not overwrite icon and text properties of my custom component. while it all works well on normal version. what could be issue?
first of all, some ideas to make your code easier readable for others:
1) the first item does neither have an xtype nor does a defaultType define it
2) width: '115px', height: '115px', just could be width:115,height115
3) instead of me.getAt().getAt() define an itemId for these and use me.down('#theItemId')
3a) or use Ext.Component to extend from and add a template with references. That way it's me.referenceElement
4) me.onAfter('tap',... not sure if this will work on an item that does not support the tap event. you might need to set a tap event to me.element and from there you can use a beforetap
5) instead of add me.getAt().getAt().setText(me.text) use the updateText: function(newValue) {this.getAt().getAt().setText(newValue)}
Same for the icon
then my personal opion
Personally I never expected this code to run anyways. But the fix might be to write me.config.icon and me.config.text
Solution
It's a matter of timing. While the constructor runs there are no icon or text defined inside the config.
This happends only on initialize. there you have them inside the config.
go and add icon: null, text: '' to the config of the component and it will word with getter and setter.
I have created a toolbar with menu item in it:
Ext.create('Ext.toolbar.Toolbar', {
renderTo: document.body,
padding: '30 0 0 0',
width : '100%',
items: [
{
xtype: 'splitbutton',
text : 'File',
menu: Ext.create('Ext.menu.Menu', {
width: 200,
margin: '0 0 10 0',
items: [
{
text: 'Import',
// code here
}
]
})
}
]
});
So what I am trying to do is to be able to use Import button just like File->Open.
I know that I can add xtype: 'filebutton', but it shows the browse button with the text field.
Also I want to let the user to choose only certain file extensions. After file is selected (we click open), I want to add it to my file tree in my viewport.
Thanks for any help.
I figured it out by using xtype: 'fileuploadfield' and hiding the file name/text field.
xtype: 'fileuploadfield',
buttonText : 'Open',
buttonOnly: true,
It is as simple as it gets. Just create a toolbar and have this code in its item field.
How to have 2 lists in one single panel in sencha touch 2?
I can see the first list if i use
layout:'card'
I tried :
layout: {
type: 'vbox',
align: 'stretch'
}
Please let me know how can i have 2 lists inside the same panel.
You need to use the flex config on each of your list.
You can see and example below here : Sencha Fiddle
Hope it helps
create panel with vbox layout inside it create two panel with fit layout and put every list into respective panle
try this method
Hi #Akshatha you can try this into your Ext.Panel,
...
layout: {
type: 'hbox',
align: 'stretch'
},
items: [
{
xtype: 'list',
width: '40%',
flex: 1,
styleHtmlContent: true,
...
},
{
xtype: 'list',
width: '60%',
flex: 0.5,
styleHtmlContent: true,
...
},
]
...
You can define the width of Panel and you have Ext.List.
I hope help you. :)
I am new to sencha touch. I have a button with a compose icon. The icon appears in the right bottom corner of my button as per the given size of the button. Can anyone help me in aligning it? iconAlign attribute is not working for me.
{
xtype: 'button',
ui: 'action',
iconMask: true,
iconCls: 'compose',
iconAlign:'center',
width:35,
height: 25,
action:'landedInfo'
}
You have to set the padding property to 0 because the width and height you provide are too small and therefore are messing with the 'center' value you provide for 'iconAlign':
{
xtype: 'button',
ui: 'action',
iconMask: true,
iconCls: 'compose',
iconAlign:'center',
width:35,
height: 25,
padding:0,
action:'landedInfo'
}
One way to see it is to increase to width and height to, say 100x50, then you will get a centered icon without touching the padding property...
I admit this might be tricky to spot at first.
Hope this helps
Setting the margin in css helped me put the icon in the center:
.x-tab .x-button-icon.compose,.x-button .x-button-icon.x-icon-mask.compose
{
margin-left:-5px;
margin-top:-5px;
margin-right:-7px;
margin-bottom:-5px;
}
I tries this and works for me:
{
xtype: 'button',
ui: 'normal',
text:'LOGOUT',
iconMask: true,
iconCls: 'user',
iconAlign:'center',
padding:0,
cls: 'x-iconalign-top',
}
if you use icon-font, you can do it with css.
.x-button-icon {
/*Icon centering*/
position:absolute;
width:1em;//set width of icon relative(icon is font)
top:50%;
margin-top:-0.5em;//half of icon height shift back
left:50%;
margin-left:-0.5em;//half of icon width shift back
}
You can also absolutey position a component in Sencha Touch using the top, right, bottom and left configurations of any component. This works like the position: absolute CSS code.
So, I have a panel in Sencha Touch and I have an image which I want to display as a component in that panel. I have tried several things along the lines of:
logo = {
xtype: 'component',
autoEl: {
src: 'http://addressofmyimage.com/image.png',
tag: 'img',
style: { height: 100, width: 100 }
}
};
Then adding above component as an item in my panel. No image is displayed. All of my other components are displayed but not the image. Not even a broken-image-link icon. I can't figure this out...
I'd rather not just insert raw html, as I cannot format that as I wish.
Probably better off using a panel to display the image itself. Replace the above code with...
logo = {
xtype: 'panel',
html: '<img style="height: 100px; width: 100px;" src="http://addressofmyimage.com/image.png" />'
};
You could override the Component's getElConfig method and return what you have in your autoEl object.
{
xtype: 'component',
getElConfig : function() {
return {tag: 'img',
src: 'http://addressofmyimage.com/image.png',
style: { height: 100, width: 100 },
id: this.id};
}
}
That method is used when the component is rendered to get the makeup of the underlying element.
You can use src.sencha.io API to resize image as you wish. Belowed example works for me.
{
xtype: 'image',
src: 'http://src.sencha.io/100/100/http://www.skinet.com/skiing/files/imagecache/gallery_image/_images/201107/windells_hood.jpg',
height: 100
}
You can find documentation here.