mirror of
https://github.com/moparisthebest/moparscape.org-smf
synced 2024-12-04 14:32:19 -05:00
630 lines
18 KiB
JavaScript
630 lines
18 KiB
JavaScript
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// This file contains javascript associated with a autosuggest control
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function smc_AutoSuggest(oOptions)
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{
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this.opt = oOptions;
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// Store the handle to the text box.
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this.oTextHandle = document.getElementById(this.opt.sControlId);
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this.oRealTextHandle = null;
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this.oSuggestDivHandle = null;
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this.sLastSearch = '';
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this.sLastDirtySearch = '';
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this.oSelectedDiv = null;
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this.aCache = [];
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this.aDisplayData = [];
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this.sRetrieveURL = 'sRetrieveURL' in this.opt ? this.opt.sRetrieveURL : '%scripturl%action=suggest;suggest_type=%suggest_type%;search=%search%;%sessionVar%=%sessionID%;xml;time=%time%';
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// How many objects can we show at once?
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this.iMaxDisplayQuantity = 'iMaxDisplayQuantity' in this.opt ? this.opt.iMaxDisplayQuantity : 15;
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// How many characters shall we start searching on?
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this.iMinimumSearchChars = 'iMinimumSearchChars' in this.opt ? this.opt.iMinimumSearchChars : 3;
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// Should selected items be added to a list?
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this.bItemList = 'bItemList' in this.opt ? this.opt.bItemList : false;
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// Are there any items that should be added in advance?
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this.aListItems = 'aListItems' in this.opt ? this.opt.aListItems : [];
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this.sItemTemplate = 'sItemTemplate' in this.opt ? this.opt.sItemTemplate : '<input type="hidden" name="%post_name%[]" value="%item_id%" /><a href="%item_href%" class="extern" onclick="window.open(this.href, \'_blank\'); return false;">%item_name%</a> <img src="%images_url%/pm_recipient_delete.gif" alt="%delete_text%" title="%delete_text%" onclick="return %self%.deleteAddedItem(%item_id%);" />';
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this.sTextDeleteItem = 'sTextDeleteItem' in this.opt ? this.opt.sTextDeleteItem : '';
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this.oCallback = {};
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this.bDoAutoAdd = false;
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this.iItemCount = 0;
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this.oHideTimer = null;
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this.bPositionComplete = false;
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this.oXmlRequestHandle = null;
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// Just make sure the page is loaded before calling the init.
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addLoadEvent(this.opt.sSelf + '.init();');
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}
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smc_AutoSuggest.prototype.init = function()
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{
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if (!window.XMLHttpRequest)
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return false;
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// Create a div that'll contain the results later on.
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this.oSuggestDivHandle = document.createElement('div');
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this.oSuggestDivHandle.className = 'auto_suggest_div';
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document.body.appendChild(this.oSuggestDivHandle);
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// Create a backup text input.
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this.oRealTextHandle = document.createElement('input');
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this.oRealTextHandle.type = 'hidden';
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this.oRealTextHandle.name = this.oTextHandle.name;
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this.oRealTextHandle.value = this.oTextHandle.value;
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this.oTextHandle.form.appendChild(this.oRealTextHandle);
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// Disable autocomplete in any browser by obfuscating the name.
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this.oTextHandle.name = 'dummy_' + Math.floor(Math.random() * 1000000);
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this.oTextHandle.autocomplete = 'off';
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this.oTextHandle.instanceRef = this;
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var fOnKeyDown = function (oEvent) {
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return this.instanceRef.handleKey(oEvent);
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};
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is_opera ? this.oTextHandle.onkeypress = fOnKeyDown : this.oTextHandle.onkeydown = fOnKeyDown;
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this.oTextHandle.onkeyup = function (oEvent) {
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return this.instanceRef.autoSuggestUpdate(oEvent);
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};
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this.oTextHandle.onchange = function (oEvent) {
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return this.instanceRef.autoSuggestUpdate(oEvent);
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};
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this.oTextHandle.onblur = function (oEvent) {
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return this.instanceRef.autoSuggestHide(oEvent);
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};
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this.oTextHandle.onfocus = function (oEvent) {
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return this.instanceRef.autoSuggestUpdate(oEvent);
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};
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if (this.bItemList)
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{
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if ('sItemListContainerId' in this.opt)
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this.oItemList = document.getElementById(this.opt.sItemListContainerId);
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else
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{
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this.oItemList = document.createElement('div');
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this.oTextHandle.parentNode.insertBefore(this.oItemList, this.oTextHandle.nextSibling);
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}
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}
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if (this.aListItems.length > 0)
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for (var i = 0, n = this.aListItems.length; i < n; i++)
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this.addItemLink(this.aListItems[i].sItemId, this.aListItems[i].sItemName);
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return true;
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}
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// Was it an enter key - if so assume they are trying to select something.
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smc_AutoSuggest.prototype.handleKey = function(oEvent)
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{
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// Grab the event object, one way or the other
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if (!oEvent)
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oEvent = window.event;
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// Get the keycode of the key that was pressed.
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var iKeyPress = 0;
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if ('keyCode' in oEvent)
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iKeyPress = oEvent.keyCode;
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else if ('which' in oEvent)
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iKeyPress = oEvent.which;
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switch (iKeyPress)
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{
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// Tab.
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case 9:
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if (this.aDisplayData.length > 0)
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{
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if (this.oSelectedDiv != null)
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this.itemClicked(this.oSelectedDiv);
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else
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this.handleSubmit();
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}
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// Continue to the next control.
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return true;
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break;
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// Enter.
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case 13:
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if (this.aDisplayData.length > 0 && this.oSelectedDiv != null)
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{
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this.itemClicked(this.oSelectedDiv);
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// Do our best to stop it submitting the form!
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return false;
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}
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else
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return true;
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break;
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// Up/Down arrow?
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case 38:
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case 40:
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if (this.aDisplayData.length && this.oSuggestDivHandle.style.visibility != 'hidden')
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{
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// Loop through the display data trying to find our entry.
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var bPrevHandle = false;
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var oToHighlight = null;
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for (var i = 0; i < this.aDisplayData.length; i++)
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{
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// If we're going up and yet the top one was already selected don't go around.
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if (this.oSelectedDiv != null && this.oSelectedDiv == this.aDisplayData[i] && i == 0 && iKeyPress == 38)
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{
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oToHighlight = this.oSelectedDiv;
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break;
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}
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// If nothing is selected and we are going down then we select the first one.
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if (this.oSelectedDiv == null && iKeyPress == 40)
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{
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oToHighlight = this.aDisplayData[i];
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break;
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}
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// If the previous handle was the actual previously selected one and we're hitting down then this is the one we want.
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if (bPrevHandle != false && bPrevHandle == this.oSelectedDiv && iKeyPress == 40)
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{
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oToHighlight = this.aDisplayData[i];
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break;
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}
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// If we're going up and this is the previously selected one then we want the one before, if there was one.
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if (bPrevHandle != false && this.aDisplayData[i] == this.oSelectedDiv && iKeyPress == 38)
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{
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oToHighlight = bPrevHandle;
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break;
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}
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// Make the previous handle this!
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bPrevHandle = this.aDisplayData[i];
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}
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// If we don't have one to highlight by now then it must be the last one that we're after.
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if (oToHighlight == null)
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oToHighlight = bPrevHandle;
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// Remove any old highlighting.
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if (this.oSelectedDiv != null)
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this.itemMouseOut(this.oSelectedDiv);
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// Mark what the selected div now is.
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this.oSelectedDiv = oToHighlight;
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this.itemMouseOver(this.oSelectedDiv);
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}
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break;
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}
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return true;
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}
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// Functions for integration.
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smc_AutoSuggest.prototype.registerCallback = function(sCallbackType, sCallback)
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{
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switch (sCallbackType)
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{
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case 'onBeforeAddItem':
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this.oCallback.onBeforeAddItem = sCallback;
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break;
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case 'onAfterAddItem':
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this.oCallback.onAfterAddItem = sCallback;
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break;
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case 'onAfterDeleteItem':
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this.oCallback.onAfterDeleteItem = sCallback;
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break;
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case 'onBeforeUpdate':
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this.oCallback.onBeforeUpdate = sCallback;
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break;
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}
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}
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// User hit submit?
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smc_AutoSuggest.prototype.handleSubmit = function()
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{
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var bReturnValue = true;
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var oFoundEntry = null;
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// Do we have something that matches the current text?
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for (var i = 0; i < this.aCache.length; i++)
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{
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if (this.sLastSearch.toLowerCase() == this.aCache[i].sItemName.toLowerCase().substr(0, this.sLastSearch.length))
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{
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// Exact match?
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if (this.sLastSearch.length == this.aCache[i].sItemName.length)
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{
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// This is the one!
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oFoundEntry = {
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sItemId: this.aCache[i].sItemId,
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sItemName: this.aCache[i].sItemName
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};
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break;
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}
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// Not an exact match, but it'll do for now.
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else
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{
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// If we have two matches don't find anything.
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if (oFoundEntry != null)
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bReturnValue = false;
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else
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oFoundEntry = {
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sItemId: this.aCache[i].sItemId,
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sItemName: this.aCache[i].sItemName
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};
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}
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}
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}
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if (oFoundEntry == null || bReturnValue == false)
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return bReturnValue;
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else
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{
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this.addItemLink(oFoundEntry.sItemId, oFoundEntry.sItemName, true);
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return false;
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}
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}
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// Positions the box correctly on the window.
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smc_AutoSuggest.prototype.positionDiv = function()
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{
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// Only do it once.
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if (this.bPositionComplete)
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return true;
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this.bPositionComplete = true;
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// Put the div under the text box.
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var aParentPos = smf_itemPos(this.oTextHandle);
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this.oSuggestDivHandle.style.left = aParentPos[0] + 'px';
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this.oSuggestDivHandle.style.top = (aParentPos[1] + this.oTextHandle.offsetHeight) + 'px';
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this.oSuggestDivHandle.style.width = this.oTextHandle.style.width;
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return true;
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}
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// Do something after clicking an item.
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smc_AutoSuggest.prototype.itemClicked = function(oCurElement)
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{
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// Is there a div that we are populating?
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if (this.bItemList)
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this.addItemLink(oCurElement.sItemId, oCurElement.innerHTML);
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// Otherwise clear things down.
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else
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this.oTextHandle.value = oCurElement.innerHTML.php_unhtmlspecialchars();
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this.oRealTextHandle.value = this.oTextHandle.value;
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this.autoSuggestActualHide();
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this.oSelectedDiv = null;
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}
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// Remove the last searched for name from the search box.
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smc_AutoSuggest.prototype.removeLastSearchString = function ()
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{
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// Remove the text we searched for from the div.
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var sTempText = this.oTextHandle.value.toLowerCase();
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var iStartString = sTempText.indexOf(this.sLastSearch.toLowerCase());
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// Just attempt to remove the bits we just searched for.
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if (iStartString != -1)
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{
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while (iStartString > 0)
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{
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if (sTempText.charAt(iStartString - 1) == '"' || sTempText.charAt(iStartString - 1) == ',' || sTempText.charAt(iStartString - 1) == ' ')
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{
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iStartString--;
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if (sTempText.charAt(iStartString - 1) == ',')
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break;
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}
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else
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break;
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}
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// Now remove anything from iStartString upwards.
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this.oTextHandle.value = this.oTextHandle.value.substr(0, iStartString);
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}
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// Just take it all.
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else
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this.oTextHandle.value = '';
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}
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// Add a result if not already done.
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smc_AutoSuggest.prototype.addItemLink = function (sItemId, sItemName, bFromSubmit)
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{
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// Increase the internal item count.
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this.iItemCount ++;
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// If there's a callback then call it.
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if ('oCallback' in this && 'onBeforeAddItem' in this.oCallback && typeof(this.oCallback.onBeforeAddItem) == 'string')
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{
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// If it returns false the item must not be added.
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if (!eval(this.oCallback.onBeforeAddItem + '(' + this.opt.sSelf + ', \'' + sItemId + '\');'))
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return;
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}
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var oNewDiv = document.createElement('div');
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oNewDiv.id = 'suggest_' + this.opt.sSuggestId + '_' + sItemId;
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setInnerHTML(oNewDiv, this.sItemTemplate.replace(/%post_name%/g, this.opt.sPostName).replace(/%item_id%/g, sItemId).replace(/%item_href%/g, smf_prepareScriptUrl(smf_scripturl) + this.opt.sURLMask.replace(/%item_id%/g, sItemId)).replace(/%item_name%/g, sItemName).replace(/%images_url%/g, smf_images_url).replace(/%self%/g, this.opt.sSelf).replace(/%delete_text%/g, this.sTextDeleteItem));
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this.oItemList.appendChild(oNewDiv);
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// If there's a registered callback, call it.
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if ('oCallback' in this && 'onAfterAddItem' in this.oCallback && typeof(this.oCallback.onAfterAddItem) == 'string')
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eval(this.oCallback.onAfterAddItem + '(' + this.opt.sSelf + ', \'' + oNewDiv.id + '\', ' + this.iItemCount + ');');
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// Clear the div a bit.
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this.removeLastSearchString();
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// If we came from a submit, and there's still more to go, turn on auto add for all the other things.
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this.bDoAutoAdd = this.oTextHandle.value != '' && bFromSubmit;
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// Update the fellow..
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this.autoSuggestUpdate();
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}
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// Delete an item that has been added, if at all?
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smc_AutoSuggest.prototype.deleteAddedItem = function (sItemId)
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{
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var oDiv = document.getElementById('suggest_' + this.opt.sSuggestId + '_' + sItemId);
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// Remove the div if it exists.
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if (typeof(oDiv) == 'object' && oDiv != null)
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{
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oDiv.parentNode.removeChild(document.getElementById('suggest_' + this.opt.sSuggestId + '_' + sItemId));
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// Decrease the internal item count.
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this.iItemCount --;
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// If there's a registered callback, call it.
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if ('oCallback' in this && 'onAfterDeleteItem' in this.oCallback && typeof(this.oCallback.onAfterDeleteItem) == 'string')
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eval(this.oCallback.onAfterDeleteItem + '(' + this.opt.sSelf + ', ' + this.iItemCount + ');');
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}
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return false;
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}
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// Hide the box.
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smc_AutoSuggest.prototype.autoSuggestHide = function ()
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{
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// Delay to allow events to propogate through....
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this.oHideTimer = setTimeout(this.opt.sSelf + '.autoSuggestActualHide();', 250);
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}
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// Do the actual hiding after a timeout.
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smc_AutoSuggest.prototype.autoSuggestActualHide = function()
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{
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this.oSuggestDivHandle.style.display = 'none';
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this.oSuggestDivHandle.style.visibility = 'hidden';
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this.oSelectedDiv = null;
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}
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// Show the box.
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smc_AutoSuggest.prototype.autoSuggestShow = function()
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{
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if (this.oHideTimer)
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{
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clearTimeout(this.oHideTimer);
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this.oHideTimer = false;
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|
}
|
||
|
|
||
|
this.positionDiv();
|
||
|
|
||
|
this.oSuggestDivHandle.style.visibility = 'visible';
|
||
|
this.oSuggestDivHandle.style.display = '';
|
||
|
}
|
||
|
|
||
|
// Populate the actual div.
|
||
|
smc_AutoSuggest.prototype.populateDiv = function(aResults)
|
||
|
{
|
||
|
// Cannot have any children yet.
|
||
|
while (this.oSuggestDivHandle.childNodes.length > 0)
|
||
|
{
|
||
|
// Tidy up the events etc too.
|
||
|
this.oSuggestDivHandle.childNodes[0].onmouseover = null;
|
||
|
this.oSuggestDivHandle.childNodes[0].onmouseout = null;
|
||
|
this.oSuggestDivHandle.childNodes[0].onclick = null;
|
||
|
|
||
|
this.oSuggestDivHandle.removeChild(this.oSuggestDivHandle.childNodes[0]);
|
||
|
}
|
||
|
|
||
|
// Something to display?
|
||
|
if (typeof(aResults) == 'undefined')
|
||
|
{
|
||
|
this.aDisplayData = [];
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
var aNewDisplayData = [];
|
||
|
for (var i = 0; i < (aResults.length > this.iMaxDisplayQuantity ? this.iMaxDisplayQuantity : aResults.length); i++)
|
||
|
{
|
||
|
// Create the sub element
|
||
|
var oNewDivHandle = document.createElement('div');
|
||
|
oNewDivHandle.sItemId = aResults[i].sItemId;
|
||
|
oNewDivHandle.className = 'auto_suggest_item';
|
||
|
oNewDivHandle.innerHTML = aResults[i].sItemName;
|
||
|
//oNewDivHandle.style.width = this.oTextHandle.style.width;
|
||
|
|
||
|
this.oSuggestDivHandle.appendChild(oNewDivHandle);
|
||
|
|
||
|
// Attach some events to it so we can do stuff.
|
||
|
oNewDivHandle.instanceRef = this;
|
||
|
oNewDivHandle.onmouseover = function (oEvent)
|
||
|
{
|
||
|
this.instanceRef.itemMouseOver(this);
|
||
|
}
|
||
|
oNewDivHandle.onmouseout = function (oEvent)
|
||
|
{
|
||
|
this.instanceRef.itemMouseOut(this);
|
||
|
}
|
||
|
oNewDivHandle.onclick = function (oEvent)
|
||
|
{
|
||
|
this.instanceRef.itemClicked(this);
|
||
|
}
|
||
|
|
||
|
|
||
|
aNewDisplayData[i] = oNewDivHandle;
|
||
|
}
|
||
|
|
||
|
this.aDisplayData = aNewDisplayData;
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
// Refocus the element.
|
||
|
smc_AutoSuggest.prototype.itemMouseOver = function (oCurElement)
|
||
|
{
|
||
|
this.oSelectedDiv = oCurElement;
|
||
|
oCurElement.className = 'auto_suggest_item_hover';
|
||
|
}
|
||
|
|
||
|
// Onfocus the element
|
||
|
smc_AutoSuggest.prototype.itemMouseOut = function (oCurElement)
|
||
|
{
|
||
|
oCurElement.className = 'auto_suggest_item';
|
||
|
}
|
||
|
|
||
|
smc_AutoSuggest.prototype.onSuggestionReceived = function (oXMLDoc)
|
||
|
{
|
||
|
var sQuoteText = '';
|
||
|
var aItems = oXMLDoc.getElementsByTagName('item');
|
||
|
this.aCache = [];
|
||
|
for (var i = 0; i < aItems.length; i++)
|
||
|
{
|
||
|
this.aCache[i] = {
|
||
|
sItemId: aItems[i].getAttribute('id'),
|
||
|
sItemName: aItems[i].childNodes[0].nodeValue
|
||
|
};
|
||
|
|
||
|
// If we're doing auto add and we find the exact person, then add them!
|
||
|
if (this.bDoAutoAdd && this.sLastSearch == this.aCache[i].sItemName)
|
||
|
{
|
||
|
var oReturnValue = {
|
||
|
sItemId: this.aCache[i].sItemId,
|
||
|
sItemName: this.aCache[i].sItemName
|
||
|
};
|
||
|
this.aCache = [];
|
||
|
return this.addItemLink(oReturnValue.sItemId, oReturnValue.sItemName, true);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Check we don't try to keep auto updating!
|
||
|
this.bDoAutoAdd = false;
|
||
|
|
||
|
// Populate the div.
|
||
|
this.populateDiv(this.aCache);
|
||
|
|
||
|
// Make sure we can see it - if we can.
|
||
|
if (aItems.length == 0)
|
||
|
this.autoSuggestHide();
|
||
|
else
|
||
|
this.autoSuggestShow();
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
// Get a new suggestion.
|
||
|
smc_AutoSuggest.prototype.autoSuggestUpdate = function ()
|
||
|
{
|
||
|
// If there's a callback then call it.
|
||
|
if ('onBeforeUpdate' in this.oCallback && typeof(this.oCallback.onBeforeUpdate) == 'string')
|
||
|
{
|
||
|
// If it returns false the item must not be added.
|
||
|
if (!eval(this.oCallback.onBeforeUpdate + '(' + this.opt.sSelf + ');'))
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
this.oRealTextHandle.value = this.oTextHandle.value;
|
||
|
|
||
|
if (isEmptyText(this.oTextHandle))
|
||
|
{
|
||
|
this.aCache = [];
|
||
|
|
||
|
this.populateDiv();
|
||
|
|
||
|
this.autoSuggestHide();
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
// Nothing changed?
|
||
|
if (this.oTextHandle.value == this.sLastDirtySearch)
|
||
|
return true;
|
||
|
this.sLastDirtySearch = this.oTextHandle.value;
|
||
|
|
||
|
// We're only actually interested in the last string.
|
||
|
var sSearchString = this.oTextHandle.value.replace(/^("[^"]+",[ ]*)+/, '').replace(/^([^,]+,[ ]*)+/, '');
|
||
|
if (sSearchString.substr(0, 1) == '"')
|
||
|
sSearchString = sSearchString.substr(1);
|
||
|
|
||
|
// Stop replication ASAP.
|
||
|
var sRealLastSearch = this.sLastSearch;
|
||
|
this.sLastSearch = sSearchString;
|
||
|
|
||
|
// Either nothing or we've completed a sentance.
|
||
|
if (sSearchString == '' || sSearchString.substr(sSearchString.length - 1) == '"')
|
||
|
{
|
||
|
this.populateDiv();
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
// Nothing?
|
||
|
if (sRealLastSearch == sSearchString)
|
||
|
return true;
|
||
|
|
||
|
// Too small?
|
||
|
else if (sSearchString.length < this.iMinimumSearchChars)
|
||
|
{
|
||
|
this.aCache = [];
|
||
|
this.autoSuggestHide();
|
||
|
return true;
|
||
|
}
|
||
|
else if (sSearchString.substr(0, sRealLastSearch.length) == sRealLastSearch)
|
||
|
{
|
||
|
// Instead of hitting the server again, just narrow down the results...
|
||
|
var aNewCache = [];
|
||
|
var j = 0;
|
||
|
var sLowercaseSearch = sSearchString.toLowerCase();
|
||
|
for (var k = 0; k < this.aCache.length; k++)
|
||
|
{
|
||
|
if (this.aCache[k].sItemName.substr(0, sSearchString.length).toLowerCase() == sLowercaseSearch)
|
||
|
aNewCache[j++] = this.aCache[k];
|
||
|
}
|
||
|
|
||
|
this.aCache = [];
|
||
|
if (aNewCache.length != 0)
|
||
|
{
|
||
|
this.aCache = aNewCache;
|
||
|
// Repopulate.
|
||
|
this.populateDiv(this.aCache);
|
||
|
|
||
|
// Check it can be seen.
|
||
|
this.autoSuggestShow();
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// In progress means destroy!
|
||
|
if (typeof(this.oXmlRequestHandle) == 'object' && this.oXmlRequestHandle != null)
|
||
|
this.oXmlRequestHandle.abort();
|
||
|
|
||
|
// Clean the text handle.
|
||
|
sSearchString = sSearchString.php_to8bit().php_urlencode();
|
||
|
|
||
|
// Get the document.
|
||
|
this.tmpMethod = getXMLDocument;
|
||
|
this.oXmlRequestHandle = this.tmpMethod(this.sRetrieveURL.replace(/%scripturl%/g, smf_prepareScriptUrl(smf_scripturl)).replace(/%suggest_type%/g, this.opt.sSearchType).replace(/%search%/g, sSearchString).replace(/%sessionVar%/g, this.opt.sSessionVar).replace(/%sessionID%/g, this.opt.sSessionId).replace(/%time%/g, new Date().getTime()), this.onSuggestionReceived);
|
||
|
delete this.tmpMethod;
|
||
|
|
||
|
return true;
|
||
|
}
|