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/**
* @class Ext.ux.DataTip
* @extends Ext.ToolTip.
* This plugin implements automatic tooltip generation for an arbitrary number of child nodes *within* a Component.
*
* This plugin is applied to a high level Component, which contains repeating elements, and depending on the host Component type,
* it automatically selects a {@link Ext.ToolTip#delegate delegate} so that it appears when the mouse enters a sub-element.
*
* When applied to a GridPanel, this ToolTip appears when over a row, and the Record's data is applied
* using this object's {@link #tpl} template.
*
* When applied to a DataView, this ToolTip appears when over a view node, and the Record's data is applied
* using this object's {@link #tpl} template.
*
* When applied to a TreePanel, this ToolTip appears when over a tree node, and the Node's {@link Ext.data.Model} record data is applied
* using this object's {@link #tpl} template.
*
* When applied to a FormPanel, this ToolTip appears when over a Field, and the Field's `tooltip` property is used is applied
* using this object's {@link #tpl} template, or if it is a string, used as HTML content. If there is no `tooltip` property,
* the field itself is used as the template's data object.
*
* If more complex logic is needed to determine content, then the {@link #beforeshow} event may be used.
* This class also publishes a **`beforeshowtip`** event through its host Component. The *host Component* fires the
* **`beforeshowtip`** event.
*/
Ext.define('Ext.ux.DataTip', function(DataTip) {
// Target the body (if the host is a Panel), or, if there is no body, the main Element.
function onHostRender() {
var e = this.isXType('panel') ? this.body : this.el;
if (this.dataTip.renderToTarget) {
this.dataTip.render(e);
}
this.dataTip.setTarget(e);
}
function updateTip(tip, data) {
if (tip.rendered) {
if (tip.host.fireEvent('beforeshowtip', tip.eventHost, tip, data) === false) {
return false;
}
tip.update(data);
} else {
if (Ext.isString(data)) {
tip.html = data;
} else {
tip.data = data;
}
}
}
function beforeViewTipShow(tip) {
var rec = this.view.getRecord(tip.triggerElement),
data;
if (rec) {
data = tip.initialConfig.data ? Ext.apply(tip.initialConfig.data, rec.data) : rec.data;
return updateTip(tip, data);
} else {
return false;
}
}
function beforeFormTipShow(tip) {
var field = Ext.getCmp(tip.triggerElement.id);
if (field && (field.tooltip || tip.tpl)) {
return updateTip(tip, field.tooltip || field);
} else {
return false;
}
}
return {
extend: 'Ext.tip.ToolTip',
mixins: {
plugin: 'Ext.AbstractPlugin'
},
alias: 'plugin.datatip',
lockableScope: 'both',
constructor: function(config) {
var me = this;
me.callParent([config]);
me.mixins.plugin.constructor.call(me, config);
},
init: function(host) {
var me = this;
me.mixins.plugin.init.call(me, host);
host.dataTip = me;
me.host = host;
if (host.isXType('tablepanel')) {
me.view = host.getView();
if (host.ownerLockable) {
me.host = host.ownerLockable;
}
me.delegate = me.delegate || me.view.getDataRowSelector();
me.on('beforeshow', beforeViewTipShow);
} else if (host.isXType('dataview')) {
me.view = me.host;
me.delegate = me.delegate || host.itemSelector;
me.on('beforeshow', beforeViewTipShow);
} else if (host.isXType('form')) {
me.delegate = '.' + Ext.form.Labelable.prototype.formItemCls;
me.on('beforeshow', beforeFormTipShow);
} else if (host.isXType('combobox')) {
me.view = host.getPicker();
me.delegate = me.delegate || me.view.getItemSelector();
me.on('beforeshow', beforeViewTipShow);
}
if (host.rendered) {
onHostRender.call(host);
} else {
host.onRender = Ext.Function.createSequence(host.onRender, onHostRender);
}
}
};
});
