From 6d52f5c4461bd26c4e1dea68686d88c71a9d3e22 Mon Sep 17 00:00:00 2001
From: David <ottodavid@gmx.net>
Date: Fri, 21 Nov 2014 22:14:00 +0100
Subject: TJuiAutoComplete multiselection + quickstart doc

implemented Separator, minChars and Frequency properties, added the related quickstart parts
---
 .../source/prado/activecontrols/activecontrols3.js | 29 ++++++++--
 framework/Web/UI/JuiControls/TJuiAutoComplete.php  | 67 ++++++++++++++++++----
 2 files changed, 82 insertions(+), 14 deletions(-)

(limited to 'framework')

diff --git a/framework/Web/Javascripts/source/prado/activecontrols/activecontrols3.js b/framework/Web/Javascripts/source/prado/activecontrols/activecontrols3.js
index 0a7511c1..5d4beef8 100644
--- a/framework/Web/Javascripts/source/prado/activecontrols/activecontrols3.js
+++ b/framework/Web/Javascripts/source/prado/activecontrols/activecontrols3.js
@@ -103,7 +103,12 @@ Prado.WebUI.TJuiAutoComplete = jQuery.klass(Prado.WebUI.TActiveTextBox,
 		this.hasResults = false;
 		jQuery.extend(this.options, {
 			source: this.getUpdatedChoices.bind(this),
-			select: this.selectEntry.bind(this)
+			select: this.selectEntry.bind(this),
+			focus: function () {
+				return false;
+			},
+			minLength: this.options.minLength,
+			frequency: this.options.frequency
 		});
 		jQuery('#'+options.ID).autocomplete(this.options)
 		.data( "ui-autocomplete")._renderItem = function( ul, item ) {
@@ -131,22 +136,38 @@ Prado.WebUI.TJuiAutoComplete = jQuery.klass(Prado.WebUI.TActiveTextBox,
 
 	getUpdatedChoices : function(request, callback)
 	{
-		var params = new Array(request.term,"__TJuiAutoComplete_onSuggest__");
+        var lastTerm = this.extractLastTerm(request.term);
+		var params = new Array(lastTerm, "__TJuiAutoComplete_onSuggest__");
 		var options = jQuery.extend(this.options, {
 			'autocompleteCallback' : callback
 		});
 		Prado.Callback(this.options.EventTarget, params, this.onComplete.bind(this), this.options);
 	},
 
+	extractLastTerm: function(string)
+	{
+		var re = new RegExp("[" + this.options.Separators + "]");
+		return string.split(re).pop().trim();
+	},
+
 	/**
 	 * Overrides parent implements, don't update if no results.
 	 */
-	selectEntry: function(event, ui)
-	{
+	selectEntry: function(event, ui) {
+		var value = event.target.value;
+		var lastTerm = this.extractLastTerm(value);
+
+		// strip (possibly) incomplete last part
+		var previousTerms = value.substr(0, value.length - lastTerm.length);
+		// and append selected value
+		ui.item.value = previousTerms + ui.item.value;
+
+		//ui.item.value = event.target.value;
 		var options = [ui.item.id, "__TJuiAutoComplete_onSuggestionSelected__"];
 		Prado.Callback(this.options.EventTarget, options, null, this.options);
 	},
 
+
 	onComplete : function(request, result)
   	{
   		var that = this;
diff --git a/framework/Web/UI/JuiControls/TJuiAutoComplete.php b/framework/Web/UI/JuiControls/TJuiAutoComplete.php
index 115969c5..f6663057 100644
--- a/framework/Web/UI/JuiControls/TJuiAutoComplete.php
+++ b/framework/Web/UI/JuiControls/TJuiAutoComplete.php
@@ -147,6 +147,57 @@ class TJuiAutoComplete extends TActiveTextBox implements INamingContainer, IJuiO
 		return $this->getViewState('TextCssClass');
 	}
 
+
+	/**
+	 * @return string word or token separators (delimiters).
+	 */
+	public function getSeparator()
+	{
+		return $this->getViewState('separator', '');
+	}
+
+	/**
+	 * @param string word or token separators (delimiters).
+	 */
+	public function setSeparator($value)
+	{
+		$this->setViewState('separator', TPropertyValue::ensureString($value), '');
+	}
+
+	/**
+	 * @return float maximum delay (in seconds) before requesting a suggestion.
+	 */
+	public function getFrequency()
+	{
+		return $this->getViewState('frequency', 0.4);
+	}
+
+	/**
+	 * @param float maximum delay (in seconds) before requesting a suggestion.
+	 * Default is 0.4.
+	 */
+	public function setFrequency($value)
+	{
+		$this->setViewState('frequency', TPropertyValue::ensureFloat($value), 0.4);
+	}
+
+	/**
+	 * @return integer minimum number of characters before requesting a suggestion.
+	 */
+	public function getMinChars()
+	{
+		return $this->getViewState('minChars','');
+	}
+
+	/**
+	 * @param integer minimum number of characters before requesting a suggestion.
+	 * Default is 1
+	 */
+	public function setMinChars($value)
+	{
+		$this->setViewState('minChars', TPropertyValue::ensureInteger($value), 1);
+	}
+
 	/**
 	 * Raises the callback event. This method is overrides the parent implementation.
 	 * If {@link setAutoPostBack AutoPostBack} is enabled it will raise
@@ -316,17 +367,11 @@ class TJuiAutoComplete extends TActiveTextBox implements INamingContainer, IJuiO
 	 */
 	protected function getPostBackOptions()
 	{
-		//disallow page state update ?
-		//$this->getActiveControl()->getClientSide()->setEnablePageStateUpdate(false);
 		$options = $this->getOptions()->toArray();
-		/*
-		if(strlen($string = $this->getSeparator()))
-		{
-			$string = strtr($string,array('\t'=>"\t",'\n'=>"\n",'\r'=>"\r"));
-			$token = preg_split('//', $string, -1, PREG_SPLIT_NO_EMPTY);
-			$options['tokens'] = $token;
-		}
-		*/
+
+		if(strlen($separator = $this->getSeparator()))
+			$options['Separators'] = $separator;
+
 		if($this->getAutoPostBack())
 		{
 			$options = array_merge($options,parent::getPostBackOptions());
@@ -334,6 +379,8 @@ class TJuiAutoComplete extends TActiveTextBox implements INamingContainer, IJuiO
 		}
 		if(strlen($textCssClass = $this->getTextCssClass()))
 			$options['textCssClass'] = $textCssClass;
+		$options['minLength'] = $this->getMinChars();
+		$options['delay'] = $this->getFrequency()/1000.0;
 		$options['appendTo'] = '#'.$this->getResultPanel()->getClientID();
 		$options['ID'] = $this->getClientID();
 		$options['EventTarget'] = $this->getUniqueID();
-- 
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