Tip.js
4.02 KB
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/**
* Simple plugin for using an Ext.tip.Tip with a slider to show the slider value. In general this class is not created
* directly, instead pass the {@link Ext.slider.Multi#useTips} and {@link Ext.slider.Multi#tipText} configuration
* options to the slider directly.
*
* @example
* Ext.create('Ext.slider.Single', {
* width: 214,
* minValue: 0,
* maxValue: 100,
* useTips: true,
* renderTo: Ext.getBody()
* });
*
* Optionally provide your own tip text by passing tipText:
*
* @example
* Ext.create('Ext.slider.Single', {
* width: 214,
* minValue: 0,
* maxValue: 100,
* useTips: true,
* tipText: function(thumb){
* return Ext.String.format('**{0}% complete**', thumb.value);
* },
* renderTo: Ext.getBody()
* });
*/
Ext.define('Ext.slider.Tip', {
extend: 'Ext.tip.Tip',
minWidth: 10,
alias: 'widget.slidertip',
/**
* @cfg {Array} [offsets=null]
* Offsets for aligning the tip to the slider. See {@link Ext.dom.Element#alignTo}. Default values
* for offsets are provided by specifying the {@link #position} config.
*/
offsets : null,
/**
* @cfg {String} [align=null]
* Alignment configuration for the tip to the slider. See {@link Ext.dom.Element#alignTo}. Default
* values for alignment are provided by specifying the {@link #position} config.
*/
align: null,
/**
* @cfg {String} [position=For horizontal sliders, "top", for vertical sliders, "left"]
* Sets the position for where the tip will be displayed related to the thumb. This sets
* defaults for {@link #align} and {@link #offsets} configurations. If {@link #align} or
* {@link #offsets} configurations are specified, they will override the defaults defined
* by position.
*/
position: '',
defaultVerticalPosition: 'left',
defaultHorizontalPosition: 'top',
isSliderTip: true,
init: function(slider) {
var me = this,
align,
offsets;
if (!me.position) {
me.position = slider.vertical ? me.defaultVerticalPosition : me.defaultHorizontalPosition;
}
switch (me.position) {
case 'top':
offsets = [0, -10];
align = 'b-t?';
break;
case 'bottom':
offsets = [0, 10];
align = 't-b?';
break;
case 'left':
offsets = [-10, 0];
align = 'r-l?';
break;
case 'right':
offsets = [10, 0];
align = 'l-r?';
}
if (!me.align) {
me.align = align;
}
if (!me.offsets) {
me.offsets = offsets;
}
slider.on({
scope : me,
dragstart: me.onSlide,
drag : me.onSlide,
dragend : me.hide,
destroy : me.destroy
});
},
/**
* @private
* Called whenever a dragstart or drag event is received on the associated Thumb.
* Aligns the Tip with the Thumb's new position.
* @param {Ext.slider.MultiSlider} slider The slider
* @param {Ext.EventObject} e The Event object
* @param {Ext.slider.Thumb} thumb The thumb that the Tip is attached to
*/
onSlide : function(slider, e, thumb) {
var me = this;
me.show();
me.update(me.getText(thumb));
me.el.alignTo(thumb.el, me.align, me.offsets);
},
/**
* Used to create the text that appears in the Tip's body. By default this just returns the value of the Slider
* Thumb that the Tip is attached to. Override to customize.
* @param {Ext.slider.Thumb} thumb The Thumb that the Tip is attached to
* @return {String} The text to display in the tip
* @protected
* @template
*/
getText : function(thumb) {
return String(thumb.value);
}
});