spiegel-keyman/web/source/kmwcallback.js
2017-09-25 08:43:32 +07:00

865 lines
No EOL
34 KiB
JavaScript

/***
KeymanWeb 10.0
Copyright 2017 SIL International
***/
// If KMW is already initialized, the KMW script has been loaded more than once. We wish to prevent resetting the
// KMW system, so we use the fact that 'initialized' is only 1 / true after all scripts are loaded for the initial
// load of KMW.
if(!window['tavultesoft']['keymanweb']['initialized']) {
(function()
{
// Declare KeymanWeb and util objects
var keymanweb=window['tavultesoft']['keymanweb'], util=keymanweb['util'],
osk=keymanweb['osk'],device=util.device,dbg=keymanweb.debug; //osk defined here, build 350
keymanweb.TSS_LAYER = 33;
keymanweb.TSS_PLATFORM = 31;
keymanweb._BeepObjects=[];
keymanweb._BeepTimeout=0;
/**
* Function KSF
* Scope Public
* Description Save keyboard focus
*/
keymanweb['KSF'] = keymanweb.KSF = function() // KeyboardSaveFocus
{
keymanweb._IgnoreNextSelChange = 1;
}
/**
* Function KT
* Scope Public
* @param {string} Ptext Text to insert
* @param {?number} PdeadKey Dead key number, if any (???)
* @return {boolean} true if inserted
* Description Insert text into active control
*/
keymanweb['KT'] = keymanweb.KT = function(Ptext,PdeadKey) // KeyboardInsertText
{
keymanweb.cachedContext.reset();
//_DebugEnter('InsertText');
var Lelem = keymanweb._LastActiveElement, Ls, Le, Lkc, Lsel, Lv=false;
if(Lelem != null)
{
Ls=Lelem._KeymanWebSelectionStart;
Le=Lelem._KeymanWebSelectionEnd;
Lsel=keymanweb._Selection;
//if(!Lsel || Lsel.parentElement() == Lelem) // I1506
//{
keymanweb._IsActivatingKeymanWebUI = 1;
keymanweb._IgnoreNextSelChange = 100;
keymanweb._FocusLastActiveElement();
if(keymanweb._IsMozillaEditableIframe(Lelem,0)) Lelem = Lelem.documentElement; // I3363 (Build 301)
if(document.selection && Lsel != null) Lsel.select();
Lelem._KeymanWebSelectionStart=Ls;
Lelem._KeymanWebSelectionEnd=Le;
keymanweb._IgnoreNextSelChange = 0;
if(Ptext!=null)keymanweb.KO(0, Lelem, Ptext);
if((typeof(PdeadKey)!=='undefined') && (PdeadKey !== null)) keymanweb.KDO(0, Lelem, PdeadKey);
Lelem._KeymanWebSelectionStart=null;
Lelem._KeymanWebSelectionEnd=null;
Lv=true;
//}
}
//_DebugExit('InsertText');
return Lv;
}
/**
* Function KR
* Scope Public
* @param {Object} Pk Keyboard object
* Description Register and load the keyboard
*/
keymanweb['KR'] = keymanweb.KR = function(Pk)
{
// If initialization not yet complete, list the keyboard to be registered on completion of initialization
if(!keymanweb['initialized'])
{
keymanweb.deferredKR.push(Pk); return;
}
var Li,Lstub;
// Check if the active stub refers to this keyboard, else find applicable stub
var Ps=keymanweb._ActiveStub;
if(!Ps || !('KI' in Ps) || (Ps['KI'] != Pk['KI']))
{
// Find the first stub for this keyboard
for(Lstub=0;Lstub < keymanweb._KeyboardStubs.length; Lstub++) // I1511 - array prototype extended
{
Ps=keymanweb._KeyboardStubs[Lstub];
if(Pk['KI'] == Ps['KI'])break;
Ps=null;
}
}
// Build 369: ensure active stub defined when loading local keyboards
if(keymanweb._ActiveStub == null && Ps != null) keymanweb._ActiveStub = Ps;
// Register the stub for this language (unless it is already registered)
// keymanweb.KRS(Ps?Ps:Pk);
// Test if keyboard already loaded
for(Li=0; Li<keymanweb._Keyboards.length; Li++)
{
if(Pk['KI'] == keymanweb._Keyboards[Li]['KI']) return;
}
// Append to keyboards array
keymanweb._Keyboards=keymanweb._push(keymanweb._Keyboards,Pk);
// Execute any external (UI) code needed after loading keyboard
keymanweb.doKeyboardLoaded(Pk['KI']);
}
/**
* Add the basic keyboard parameters (keyboard stub) to the array of keyboard stubs
* If no language code is specified in a keyboard it cannot be registered,
* and a keyboard stub must be registered before the keyboard is loaded
* for the keyboard to be usable.
*
* @param {Object} Pstub Keyboard stub object
* @return {?number} 1 if already registered, else null
*/
//var ts0=new Date().toTimeString().substr(3,5);
keymanweb['KRS'] = keymanweb.KRS = function(Pstub)
{
var Lk;
// In initialization not complete, list the stub to be registered on completion of initialization
if(!keymanweb['initialized'])
{
keymanweb.deferredKRS.push(Pstub);
return null;
}
// The default stub is always the first keyboard stub loaded [and will be ignored by desktop browsers - not for beta, anyway]
if(keymanweb.dfltStub == null)
{
keymanweb.dfltStub=Pstub;
//if(device.formFactor == 'desktop') return 1; //Needs further thought before release
}
// If no language code has been defined, and no stub has been registered for this keyboard, register with empty string as the language code
if(typeof(Pstub['KLC']) == 'undefined') Pstub['KLC'] = '';
if(typeof(Pstub['KL']) == 'undefined') Pstub['KL'] = 'undefined';
// If language code already defined (or not specified in stub), check to see if stub already registered
for(Lk=0; Lk<keymanweb._KeyboardStubs.length; Lk++)
{
if(keymanweb._KeyboardStubs[Lk]['KI'] == Pstub['KI'])
{
if(Pstub['KLC'] == '' || (keymanweb._KeyboardStubs[Lk]['KLC'] == Pstub['KLC'])) return 1; // no need to register
}
}
// Register stub (add to KeyboardStubs array)
keymanweb._KeyboardStubs=keymanweb._push(keymanweb._KeyboardStubs,Pstub);
/*
// Sort stub array so that English is always first
if(keymanweb._KeyboardStubs.length > 1) keymanweb._KeyboardStubs.sort(function(a,b){
var ax,bx;
switch(a['KLC'])
{
case 'eng': ax=0; break;
case 'fra': ax=1; break;
case 'deu': ax=2; break;
default: ax=10; break;
}
switch(b['KLC'])
{
case 'eng': bx=0; break;
case 'fra': bx=1; break;
case 'deu': bx=2; break;
default: bx=10; break;
}
return ax-bx;
});
*/
// TODO: Need to distinguish between initial loading of a large number of stubs and any subsequent loading.
// UI initialization should not be needed for each registration, only at end.
// Reload this keyboard if it was the last active keyboard and
// make any changes needed by UI for new keyboard stub
// (Uncommented for Build 360)
keymanweb.doKeyboardRegistered(Pstub['KI'],Pstub['KL'],Pstub['KN'],Pstub['KLC']);
return null;
}
/**
* Get *cached or uncached* keyboard context for a specified range, relative to caret
*
* @param {number} n Number of characters to move back from caret
* @param {number} ln Number of characters to return
* @param {Object} Pelem Element to work with (must be currently focused element)
* @return {string} Context string
*
* Example [abcdef|ghi] as INPUT, with the caret position marked by |:
* KC(2,1,Pelem) == "e"
* KC(3,3,Pelem) == "def"
* KC(10,10,Pelem) == "abcdef" i.e. return as much as possible of the requested string
*/
keymanweb['KC'] = keymanweb.KC = function(n, ln, Pelem)
{
var v = keymanweb.cachedContext.get(n, ln);
if(v !== null) return v;
var r = keymanweb.KC_(n, ln, Pelem);
keymanweb.cachedContext.set(n, ln, r);
return r;
}
/**
* Function KN
* Scope Public
* @param {number} n Length of context to check
* @param {Object} Ptarg Element to work with (must be currently focused element)
* @return {boolean} True if length of context is less than or equal to n
* Description Test length of context, return true if the length of the context is less than or equal to n
*
* Example [abc|def] as INPUT, with the caret position marked by |:
* KN(3,Pelem) == TRUE
* KN(2,Pelem) == FALSE
* KN(4,Pelem) == TRUE
*/
keymanweb['KN'] = keymanweb.KN = function(n, Ptarg) // KeyboardNul
{
var cx=this.KC(n+1, 1, Ptarg);
if(cx === false) {
// It appears that this can no longer be returned with KMW so probably should be removed
// after testing
return true;
}
// With #31, the result will be a replacement character if context is empty.
return cx === "\uFFFE";
}
/**
* Function KCM
* Scope Public
* @param {number} n Number of characters to move back from caret
* @param {Object} Ptarg Focused element
* @param {string} val String to match
* @param {number} ln Number of characters to return
* @return {boolean} True if selected context matches val
* Description Test keyboard context for match
*/
keymanweb['KCM'] = keymanweb.KCM = function(n, Ptarg, val, ln) // Keyboard_ContextMatch
{
//KeymanWeb._Debug('KeymanWeb.KCM(n='+n+', Ptarg, val='+val+', ln='+ln+'): return '+(this.KC(n,ln,Ptarg)==val));
var cx=this.KC(n, ln, Ptarg);
if(cx !== false && cx === val) return true; // I3318
this._DeadkeyResetMatched(); // I3318
return false;
}
/**
* Function KIK
* Scope Public
* @param {Object} e keystroke event
* @return {boolean} true if keypress event
* Description Test if event as a keypress event
*/
keymanweb['KIK'] = keymanweb.KIK = function(e) // Keyboard_IsKeypress
{
if(keymanweb._ActiveKeyboard['KM']) // I1380 - support KIK for positional layouts
return !e.LisVirtualKey; // will now return true for U_xxxx keys, but not for T_xxxx keys
else
return keymanweb._USKeyCodeToCharCode(e) ? true : false; // I1380 - support KIK for positional layouts
//if(e.charCode != 0) != null)
// return e.charCode != 0;
//return e.type == 'keypress';
}
/**
* Function KKM
* Scope Public
* @param {Object} e keystroke event
* @param {number} Lruleshift
* @param {number} Lrulekey
* @return {boolean} True if key matches rule
* Description Test keystroke with modifiers against rule
*/
keymanweb['KKM'] = keymanweb.KKM = function(e,Lruleshift,Lrulekey) // Keyboard_KeyMatch
{
var retVal = 0; // I3318
var keyCode = (e.Lcode == 173 ? 189 : e.Lcode); //I3555 (Firefox hyphen issue)
var bitmask = keymanweb.getKeyboardModifierBitmask();
if(e.vkCode > 255) keyCode = e.vkCode; // added to support extended (touch-hold) keys for mnemonic layouts
if(e.LisVirtualKey || keyCode > 255)
{
if((Lruleshift & 0x4000) == 0x4000 || (keyCode > 255)) // added keyCode test to support extended keys
{
retVal = ((Lrulekey == keyCode) && ((Lruleshift & bitmask) == e.Lmodifiers)); //I3318, I3555
}
}
else if((Lruleshift & 0x4000) == 0)
{
retVal = (keyCode == Lrulekey); // I3318, I3555
}
if(!retVal) this._DeadkeyResetMatched(); // I3318
return retVal != 0; // I3318
};
/**
* Function KSM
* Scope Public
* @param {Object} e keystroke event
* @param {number} Lstate
* Description Test keystroke against state key rules
*/
keymanweb['KSM'] = keymanweb.KSM = function(e, Lstate) { // Keyboard_StateMatch
return ((Lstate & e.Lstates) == Lstate);
}
/**
* Function KKI
* Scope Public
* @param {Object} e
* @return {Object} Object with event's virtual key flag, key code, and modifiers
* Description Get object with extended key event information
*/
keymanweb['KKI'] = keymanweb.KKI = function(e)
{
var ei = {};
ei['vk'] = e.LisVirtualKey; ei['code'] = e.Lcode; ei['modifiers'] = e.Lmodifiers;
return ei;
};
/**
* Function KDM
* Scope Public
* @param {number} n current cursor position
* @param {Object} Ptarg target element
* @param {number} d deadkey
* @return {boolean} True if deadkey found selected context matches val
* Description Match deadkey at current cursor position
*/
keymanweb['KDM'] = keymanweb.KDM = function(n, Ptarg, d)
{
if(keymanweb._DeadKeys.length == 0) return false; // I3318
var sp=keymanweb._SelPos(Ptarg);
n = sp - n;
for(var i = 0; i < keymanweb._DeadKeys.length; i++)
if(keymanweb._DeadKeys[i].p == n && keymanweb._DeadKeys[i].d == d) {
keymanweb._DeadKeys[i].matched = 1; return true; // I3318
}
this._DeadkeyResetMatched(); // I3318
return false;
}
/**
* Function KBR
* Scope Public
* Description Reset/terminate beep or flash (not currently used: Aug 2011)
*/
keymanweb['KBR'] = keymanweb.KBR = function() // KeyboardBeepReset
{
keymanweb.cachedContext.reset();
var Lbo;
keymanweb._BeepTimeout = 0;
for(Lbo=0;Lbo<keymanweb._BeepObjects.length;Lbo++) // I1511 - array prototype extended
{
keymanweb._BeepObjects[Lbo].e.style.backgroundColor = keymanweb._BeepObjects[Lbo].c;
}
keymanweb._BeepObjects = [];
}
/**
* Function KB
* Scope Public
* @param {Object} Pelem element to flash
* Description Flash body as substitute for audible beep
*/
keymanweb['KB'] = keymanweb.KB = function(Pelem) // Keyboard_Beep
{
keymanweb.cachedContext.reset();
if(Pelem.body) Pelem=Pelem.body; // I1446 - beep sometimes fails to flash when using OSK and rich control
if(!Pelem.style || typeof(Pelem.style.backgroundColor)=='undefined') return;
for(var Lbo=0;Lbo<keymanweb._BeepObjects.length;Lbo++) // I1446 - beep sometimes fails to return background color to normal
{ // I1511 - array prototype extended
if(keymanweb._BeepObjects[Lbo].e == Pelem) return;
}
keymanweb._BeepObjects=keymanweb._push(keymanweb._BeepObjects,{e:Pelem, c:Pelem.style.backgroundColor});
Pelem.style.backgroundColor = '#000000';
if(keymanweb._BeepTimeout == 0)
{
keymanweb._BeepTimeout = 1;
window.setTimeout(keymanweb.KBR, 50);
}
//Pelem.style.backgroundColor = Lcolour;
}
/**
* Function KA
* Scope Public
* @param {number} n character position (index)
* @param {string} ch character to find in string
* @param {string} s 'any' string
* @return {boolean} True if character found in 'any' string, sets index accordingly
* Description Test for character matching
*/
keymanweb['KA'] = keymanweb.KA = function(n,ch,s) // Keyboard_Any()
{
if(ch == '') {
return false;
}
var Lix = s._kmwIndexOf(ch); //I3319
keymanweb._AnyIndices[n] = Lix;
return Lix >= 0;
}
/**
* Function KO
* Scope Public
* @param {number} dn number of characters to overwrite
* @param {Object} Pelem element to output to
* @param {string} s string to output
* Description Keyboard output
*/
keymanweb['KO'] = keymanweb.KO = function(dn, Pelem, s) // Keyboard_Output()
{
keymanweb.cachedContext.reset();
// KeymanTouch for Android uses direct insertion of the character string
if('oninserttext' in keymanweb)
{
keymanweb['oninserttext'](dn,s);
}
if(Pelem.body) var Ldoc=Pelem; else var Ldoc=Pelem.ownerDocument; // I1481 - integration with rich editors not working 100%
var Li, Ldv;
if(Pelem.className.indexOf('keymanweb-input') >= 0)
{
var t=keymanweb.getTextBeforeCaret(Pelem);
if(dn > 0) t=t._kmwSubstr(0,t._kmwLength()-dn)+s; else t=t+s;
keymanweb.setTextBeforeCaret(Pelem,t);
return;
}
if (keymanweb.legacy)
{
if(dn>0)
Pelem.value=Pelem.value._kmwSubstr(0,Pelem.value._kmwLength()-dn)+s; //I3319
else
Pelem.value=Pelem.value+s;
}
else if (Ldoc && (Ldv=Ldoc.defaultView) && Ldv.getSelection &&
(Ldoc.designMode.toLowerCase() == 'on' || Pelem.contentEditable == 'true' || Pelem.contentEditable == 'plaintext-only' || Pelem.contentEditable === '')
) // I2457 - support contentEditable elements in mozilla, webkit
{
/* Editable iframe and contentEditable elements for mozilla */
var _IsEditableIframe = Ldoc.designMode.toLowerCase() == 'on';
if(_IsEditableIframe) var _CacheableCommands = keymanweb._CacheCommands(Ldoc);
var Lsel = Ldv.getSelection();
var LselectionStart = Lsel.focusNode.nodeValue ? Lsel.focusNode.substringData(0,Lsel.focusOffset)._kmwLength() : 0; // I3319
if(!Lsel.isCollapsed) Lsel.deleteFromDocument(); // I2134, I2192
//KeymanWeb._Debug('KO: focusOffset='+Lsel.focusOffset+', dn='+dn+', s='+s+' focusNode.type='+Lsel.focusNode.nodeType+', focusNode.parentNode.tagName='+(Lsel.focusNode.parentNode?Lsel.focusNode.parentNode.tagName:'NULL') );
var Lrange = Lsel.getRangeAt(0);
if(dn > 0) {
Lrange.setStart(Lsel.focusNode, Lsel.focusOffset - Lsel.focusNode.nodeValue.substr(0,Lsel.focusOffset)._kmwSubstr(-dn).length); // I3319
Lrange.deleteContents();
}
//KeymanWeb._Debug('KO: focusOffset='+Lsel.focusOffset+', dn='+dn+', s='+s+' focusNode.type='+Lsel.focusNode.nodeType+', focusNode.parentNode.tagName='+(Lsel.focusNode.parentNode?Lsel.focusNode.parentNode.tagName:'NULL') );
if(s._kmwLength() > 0) // I2132 - exception if s.length > 0, I3319
{
if(Lsel.focusNode.nodeType == 3)
{
// I2134, I2192
// Already in a text node
//KeymanWeb._Debug('KO: Already in a text node, adding "'+s+'": '+Lsel.focusOffset + '-> '+Lsel.toString());
var LfocusOffset = Lsel.focusOffset;
//KeymanWeb._Debug('KO: node.text="'+Lsel.focusNode.data+'", node.length='+Lsel.focusNode.length);
Lsel.focusNode.insertData(Lsel.focusOffset, s);
try
{
Lsel.extend(Lsel.focusNode, LfocusOffset + s.length);
}
catch(e)
{
// Chrome (through 4.0 at least) throws an exception because it has not synchronised its content with the selection. scrollIntoView synchronises the content for selection
Lsel.focusNode.parentNode.scrollIntoView();
Lsel.extend(Lsel.focusNode, LfocusOffset + s.length);
}
}
else
{
// Create a new text node - empty control
//KeymanWeb._Debug('KO: Creating a new text node for "'+s+'"');
var n = Ldoc.createTextNode(s);
Lrange.insertNode(n);
Lsel.extend(n,s.length);
}
}
if(_IsEditableIframe) keymanweb._CacheCommandsReset(Ldoc, _CacheableCommands, null);// I2457 - support contentEditable elements in mozilla, webkit
Lsel.collapseToEnd();
// Adjust deadkey positions
if(dn >= 0)
{
keymanweb._DeadkeyDeleteMatched(); // I3318
keymanweb._DeadkeyAdjustPos(LselectionStart, -dn + s._kmwLength()); // I3318
}
}
// Internet Explorer (including IE9)
else if(Ldoc && (Ldv=Ldoc.selection)) // build 77 - use elem.ownerDocument.selection
{
if(Ldoc.body.isContentEditable || Ldoc.designMode.toLowerCase()=='on') // I1295 - isContentEditable
{
var _CacheableCommands = keymanweb._CacheCommands(Ldoc);
}
var Lrange = Ldv.createRange(), Ls1;
if(Lrange.text != '')
{
Ldv.clear();
dn = 0;
}
else Lrange.collapse(true);
if(dn > 0) {
Lrange.moveStart('character',-2*dn); // I3319 (next four lines
var s0=Lrange.text,s1=s0._kmwSubstr(-dn);
Lrange.collapse(false); //move start back to end
Lrange.moveStart('character',-s1.length);
}
else dn = 0;
Lrange.text = s;
if(Ldoc.body.isContentEditable || Ldoc.designMode.toLowerCase()=='on') // I1295 - isContentEditable
{
Lrange.moveStart('character',-s.length);
keymanweb._CacheCommandsReset(Ldoc, _CacheableCommands,Lrange.select);
Lrange.moveStart('character',s.length);
Lrange.select();
}
// Adjust deadkey positions
if(dn >= 0)
{
keymanweb._DeadkeyDeleteMatched(); // I3318
keymanweb._DeadkeyAdjustPos(LselectionStart, -dn + s._kmwLength()); // I3318
}
keymanweb._Selection = Ldv.createRange();
keymanweb._Selection.select();
keymanweb._Selection.scrollIntoView();
}
// Mozilla et al; IE9+ also recognizes setSelectionRange, but does not seem to work in exactly the same way as Mozilla
else if (Pelem.setSelectionRange)
{
var LselectionStart, LselectionEnd;
if(Pelem._KeymanWebSelectionStart != null) // changed to allow a value of 0
{
LselectionStart = Pelem._KeymanWebSelectionStart;
LselectionEnd = Pelem._KeymanWebSelectionEnd;
}
else
{
LselectionStart = Pelem.value._kmwCodeUnitToCodePoint(Pelem.selectionStart); // I3319
LselectionEnd = Pelem.value._kmwCodeUnitToCodePoint(Pelem.selectionEnd); // I3319
}
var LscrollTop, LscrollLeft;
if(Pelem.type.toLowerCase() == 'textarea' && typeof(Pelem.scrollTop) != 'undefined') {
LscrollTop = Pelem.scrollTop; LscrollLeft = Pelem.scrollLeft;
}
if(dn < 0) // Don't delete, leave context alone (dn = -1)
{
Pelem.value = Pelem.value._kmwSubstring(0,LselectionStart) + s + Pelem.value._kmwSubstring(LselectionEnd); //I3319
dn = 0;
}
else if(LselectionStart < dn)
Pelem.value = s + Pelem.value._kmwSubstring(LselectionEnd); //I3319
else
Pelem.value = Pelem.value._kmwSubstring(0,LselectionStart-dn) + s + Pelem.value._kmwSubstring(LselectionEnd); //I3319
// Adjust deadkey positions
if(dn >= 0)
{
keymanweb._DeadkeyDeleteMatched(); // I3318
keymanweb._DeadkeyAdjustPos(LselectionStart, -dn + s._kmwLength()); // I3318,I3319
}
if (typeof(LscrollTop) != 'undefined') {
Pelem.scrollTop = LscrollTop;
Pelem.scrollLeft = LscrollLeft;
}
var caretPos=LselectionStart-dn+s._kmwLength(); // I3319
var caretPosUnits=Pelem.value._kmwCodePointToCodeUnit(caretPos); // I3319
Pelem.setSelectionRange(caretPosUnits,caretPosUnits); // I3319
Pelem._KeymanWebSelectionStart = null; Pelem._KeymanWebSelectionEnd = null;
}
// Refresh element content after change (if needed)
if(typeof(keymanweb.refreshElementContent) == 'function') keymanweb.refreshElementContent(Pelem);
}
/**
* Function KDO
* Scope Public
* @param {number} Pdn no of character to overwrite (delete)
* @param {Object} Pelem element to output to
* @param {number} Pd deadkey id
* Description Record a deadkey at current cursor position, deleting Pdn characters first
*/
keymanweb['KDO'] = keymanweb.KDO = function(Pdn,Pelem,Pd)
{
keymanweb.cachedContext.reset();
var Lc = new Object();
if(Pdn >= 0) keymanweb.KO(Pdn,Pelem,""); //I3318 corrected to >=
Lc.p=keymanweb._SelPos(Pelem); Lc.d=Pd;
keymanweb._DeadKeys=keymanweb._push(keymanweb._DeadKeys,Lc);
// _DebugDeadKeys(Pelem, 'KDeadKeyOutput: dn='+Pdn+'; deadKey='+Pd);
}
/**
* Function KIO
* Scope Public
* @param {number} Pdn no of character to overwrite (delete)
* @param {string} Ps string
* @param {number} Pn index
* @param {Object} Pelem element to output to
* Description Output a character selected from the string according to the offset in the index array
*/
keymanweb['KIO'] = keymanweb.KIO = function(Pdn,Ps,Pn,Pelem)
{
keymanweb.cachedContext.reset();
if(keymanweb._AnyIndices[Pn-1] < Ps._kmwLength()) //I3319
keymanweb.KO(Pdn,Pelem,Ps._kmwCharAt(keymanweb._AnyIndices[Pn-1])); //I3319
}
/**
* Function _CacheCommands
* Scope Private
* @param {Object} _Document
* @return {Array.<string>} List of style commands that are cacheable
* Description Build reate list of styles that can be applied in iframes
*/
keymanweb._CacheCommands = function(_Document) // I1204 - style application in IFRAMEs, I2192, I2134, I2192
{
//var _CacheableBackColor=(_Document.selection?'hilitecolor':'backcolor');
var _CacheableCommands=[['backcolor',1],['fontname',1],['fontsize',1],['forecolor',1],['bold',0],['italic',0],['strikethrough',0],['subscript',0],['superscript',0],['underline',0]];
if(_Document.defaultView) keymanweb._push(_CacheableCommands,['hilitecolor',1]);
for(var n=0;n < _CacheableCommands.length; n++) // I1511 - array prototype extended
{
//KeymanWeb._Debug('Command:'+_CacheableCommands[n][0]);
keymanweb._push(_CacheableCommands[n],_CacheableCommands[n][1] ? _Document.queryCommandValue(_CacheableCommands[n][0]) : _Document.queryCommandState(_CacheableCommands[n][0]));
}
return _CacheableCommands;
}
/**
* Function _CacheCommandReset
* Scope Private
* @param _Document
* _CacheableCommands
* _func
* @return Nothing
* Description Restore styles in IFRAMEs (??)
*/
keymanweb._CacheCommandsReset = function(_Document, _CacheableCommands, _func)
{
for(var n=0;n < _CacheableCommands.length; n++) // I1511 - array prototype extended
{
//KeymanWeb._Debug('ResetCacheCommand:'+_CacheableCommands[n][0]+'='+_CacheableCommands[n][2]);
if(_CacheableCommands[n][1])
{
if(_Document.queryCommandValue(_CacheableCommands[n][0]) != _CacheableCommands[n][2])
{
if(_func)_func();
_Document.execCommand(_CacheableCommands[n][0], false, _CacheableCommands[n][2]);
}
}
else if(_Document.queryCommandState(_CacheableCommands[n][0]) != _CacheableCommands[n][2])
{if(_func)_func();
//KeymanWeb._Debug('executing command '+_CacheableCommand[n][0]);
_Document.execCommand(_CacheableCommands[n][0], false, null);
}
}
}
/**
* KIFS compares the content of a system store with a string value
*
* @param {number} systemId ID of the system store to test (only TSS_LAYER currently supported)
* @param {string} strValue String value to compare to
* @param {Object} Pelem Currently active element (may be needed by future tests)
* @return {boolean} True if the test succeeds
*/
keymanweb['KIFS'] = keymanweb.KIFS = function(systemId,strValue,Pelem)
{
var result=true;
if(systemId == keymanweb.TSS_LAYER)
result = (osk.layerId === strValue);
else if(systemId == keymanweb.TSS_PLATFORM)
{
var i,constraint,constraints=strValue.split(' ');
for(i=0; i<constraints.length; i++)
{
constraint=constraints[i].toLowerCase();
switch(constraint)
{
case 'touch':
case 'hardware':
if(device.touchable != (constraint == 'touch')) result=false;
}
switch(constraint)
{
case 'windows':
case 'android':
case 'ios':
case 'macosx':
case 'linux':
if(device.OS.toLowerCase() != constraint) result=false;
}
switch(constraint)
{
case 'tablet':
case 'phone':
case 'desktop':
if(device.formFactor != constraint) result=false;
}
switch(constraint)
{
case 'web':
if(device.browser == 'native') result=false; // web matches anything other than 'native'
break;
case 'native':
case 'ie':
case 'chrome':
case 'firefox':
case 'safari':
case 'opera':
if(device.browser != constraint) result=false;
}
}
}
return result; //Moved from previous line, now supports layer selection, Build 350
}
/**
* KSETS sets the value of a system store to a string
*
* @param {number} systemId ID of the system store to set (only TSS_LAYER currently supported)
* @param {string} strValue String to set as the system store content
* @param {Object} Pelem Currently active element (may be needed in future tests)
* @return {boolean} True if command succeeds
* (i.e. for TSS_LAYER, if the layer is successfully selected)
*/
keymanweb['KSETS'] = function(systemId,strValue,Pelem)
{
keymanweb.cachedContext.reset();
if(systemId == keymanweb.TSS_LAYER)
return osk.showLayer(strValue); //Buld 350, osk reference now OK, so should work
else
return false;
}
/**
* Load an option store value from a cookie or default value
*
* @param {string} kbdName keyboard internal name
* @param {string} storeName store (option) name, embedded in cookie name
* @param {string} dfltValue default value
* @return {string} current or default option value
*/
keymanweb['KLOAD'] = function(kbdName,storeName,dfltValue)
{
keymanweb.cachedContext.reset();
var cName='KeymanWeb_'+kbdName+'_Option_'+storeName,cValue=util.loadCookie(cName);
if(typeof cValue[storeName] != 'undefined')
return unescape(cValue[storeName]);
else
return dfltValue;
}
/**
* Save an option store value to a cookie
*
* @param {string} storeName store (option) name, embedded in cookie name
* @param {string} optValue option value to save
* @return {boolean} true if save successful
*/
keymanweb['KSAVE'] = function(storeName,optValue)
{
keymanweb.cachedContext.reset();
var kbd=keymanweb._ActiveKeyboard;
if(!kbd || typeof kbd['KI'] == 'undefined' || kbd['KI'] == '') return false;
var cName='KeymanWeb_'+kbd['KI']+'_Option_'+storeName,cValue=escape(optValue);
util.saveCookie(cName,cValue);
return true;
}
/**
* Legacy entry points (non-standard names)- included only to allow existing IME keyboards to continue to be used
*/
keymanweb['GetLastActiveElement'] = function() { return keymanweb._LastActiveElement; }
keymanweb['FocusLastActiveElement'] = function() { keymanweb._FocusLastActiveElement(); }
//The following entry points are defined but should not normally be used in a keyboard, as OSK display is no longer determined by the keyboard
keymanweb['HideHelp'] = function() {osk._Hide(true);}
keymanweb['ShowHelp'] = function(Px,Py) {osk._Show(Px,Py);}
keymanweb['ShowPinnedHelp'] = function() {osk.userPositioned=true; osk._Show(-1,-1);}
/**
* Cache of context storing and retrieving return values from KC
* Must be reset prior to each keystroke and after any text changes
* MCD 3/1/14
**/
keymanweb.cachedContext = {
_cache: [],
reset: function() {
this._cache = [];
},
get: function(n, ln) {
// return null; // uncomment this line to disable context caching
if(typeof this._cache[n] == 'undefined') {
return null;
} else if(typeof this._cache[n][ln] == 'undefined') {
return null;
}
return this._cache[n][ln];
},
set: function(n, ln, val) {
if(typeof this._cache[n] == 'undefined') {
this._cache[n] = [];
}
this._cache[n][ln] = val;
}
};
})();
}