ListTest/2/include/layersmenu.js

   1 // PHP Layers Menu 3.2.0-rc (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/
   2
   3 useTimeouts = 1;
   4 timeoutLength = 1000;   // time in ms; not significant if useTimeouts = 0;
   5 shutdownOnClick = 0;
   6
   7 loaded = 0;
   8 layersMoved = 0;
   9 layerPoppedUp = '';
  10
  11 timeoutFlag = 0;
  12 if (Opera56 || IE4) {
  13         useTimeouts = 0;
  14 }
  15 if (NS4 || Opera56 || IE4) {
  16         shutdownOnClick = 1;
  17 }
  18
  19 currentY = 0;
  20 function grabMouse(e)   // for NS4
  21 {
  22         currentY = e.pageY;
  23 }
  24 if (NS4) {
  25         document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
  26         document.onmousemove = grabMouse;
  27 }
  28
  29 function seeThroughElements(show)
  30 {
  31         if (show) {
  32                 foobar = 'visible';
  33         } else {
  34                 foobar = 'hidden';
  35         }
  36         for (i=0; i<toBeHidden.length; i++) {
  37                 toBeHidden[i].style.visibility = foobar;
  38         }
  39 }
  40
  41 function shutdown()
  42 {
  43         for (i=0; i<numl; i++) {
  44                 LMPopUpL(listl[i], false);
  45         }
  46         layerPoppedUp = '';
  47         if (Konqueror || IE5) {
  48                 seeThroughElements(true);
  49         }
  50 }
  51 if (shutdownOnClick) {
  52         if (NS4) {
  53                 document.onmousedown = shutdown;
  54         } else {
  55                 document.onclick = shutdown;
  56         }
  57 }
  58
  59 function setLMTO()
  60 {
  61         if (useTimeouts) {
  62                 timeoutFlag = setTimeout('shutdown()', timeoutLength);
  63         }
  64 }
  65
  66 function clearLMTO()
  67 {
  68         if (useTimeouts) {
  69                 clearTimeout(timeoutFlag);
  70         }
  71 }
  72
  73 function moveLayerX(menuName)
  74 {
  75         if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
  76                 return;
  77         }
  78         if (father[menuName] != '') {
  79                 if (!Opera5 && !IE4) {
  80                         width0 = lwidth[father[menuName]];
  81                         width1 = lwidth[menuName];
  82                 } else if (Opera5) {
  83                         // Opera 5 stupidly and exaggeratedly overestimates layers widths
  84                         // hence we consider a default value equal to $abscissaStep
  85                         width0 = abscissaStep;
  86                         width1 = abscissaStep;
  87                 } else if (IE4) {
  88                         width0 = getOffsetWidth(father[menuName]);
  89                         width1 = getOffsetWidth(menuName);
  90                 }
  91                 onLeft = getOffsetLeft(father[menuName]) - width1 + menuLeftShift;
  92                 onRight = getOffsetLeft(father[menuName]) + width0 - menuRightShift;
  93                 windowWidth = getWindowWidth();
  94                 windowXOffset = getWindowXOffset();
  95 //              if (NS4 && !DOM) {
  96 //                      windowXOffset = 0;
  97 //              }
  98                 if (onLeft < windowXOffset && onRight + width1 > windowWidth + windowXOffset) {
  99                         if (onRight + width1 - windowWidth - windowXOffset > windowXOffset - onLeft) {
 100                                 onLeft = windowXOffset;
 101                         } else {
 102                                 onRight = windowWidth + windowXOffset - width1;
 103                         }
 104                 }
 105                 if (back[father[menuName]]) {
 106                         if (onLeft < windowXOffset) {
 107                                 back[menuName] = 0;
 108                         } else {
 109                                 back[menuName] = 1;
 110                         }
 111                 } else {
 112 //alert(onRight + ' - ' + width1 + ' - ' +  windowWidth + ' - ' + windowXOffset);
 113                         if (onRight + width1 > windowWidth + windowXOffset) {
 114                                 back[menuName] = 1;
 115                         } else {
 116                                 back[menuName] = 0;
 117                         }
 118                 }
 119                 if (back[menuName]) {
 120                         setLeft(menuName, onLeft);
 121                 } else {
 122                         setLeft(menuName, onRight);
 123                 }
 124         }
 125         moveLayerY(menuName);   // workaround needed for Mozilla < 1.4 for MS Windows
 126 }
 127
 128 function moveLayerY(menuName)
 129 {
 130         if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
 131                 return;
 132         }
 133         if (!layersMoved) {
 134                 moveLayers();
 135                 layersMoved = 1;
 136         }
 137         if (!NS4) {
 138                 newY = getOffsetTop('ref' + menuName);
 139         } else {
 140                 newY = currentY;
 141         }
 142         newY += menuTopShift;
 143         layerHeight = getOffsetHeight(menuName);
 144         windowHeight = getWindowHeight();
 145         windowYOffset = getWindowYOffset();
 146         if (newY + layerHeight > windowHeight + windowYOffset) {
 147                 if (layerHeight > windowHeight) {
 148                         newY = windowYOffset;
 149                 } else {
 150                         newY = windowHeight + windowYOffset - layerHeight;
 151                 }
 152         }
 153         if (Math.abs(getOffsetTop(menuName) - newY) > thresholdY) {
 154                 setTop(menuName, newY);
 155         }
 156 }
 157
 158 function moveLayerX1(menuName, father)
 159 {
 160         if (!lwidthDetected) {
 161                 return;
 162         }
 163         if (!Opera5 && !IE4) {
 164                 width1 = lwidth[menuName];
 165         } else if (Opera5) {
 166                 // Opera 5 stupidly and exaggeratedly overestimates layers widths
 167                 // hence we consider a default value equal to $abscissaStep
 168                 width1 = abscissaStep;
 169         }
 170         foobar = getOffsetLeft(father + menuName);
 171 if (!IE4) {
 172         windowWidth = getWindowWidth();
 173         windowXOffset = getWindowXOffset();
 174         if (foobar + width1 > windowWidth + windowXOffset) {
 175                 foobar = windowWidth + windowXOffset - width1;
 176         }
 177         if (foobar < windowXOffset) {
 178                 foobar = windowXOffset;
 179         }
 180 }
 181         setLeft(menuName, foobar);
 182 }
 183
 184 function layersOverlap(layer, i)
 185 {
 186         if (Konqueror22) {
 187                 return true;
 188         }
 189
 190 //      xa1 = getOffsetLeft(layer);
 191 //setLeft(layer, xa1);
 192         xa1 = layerLeft[layer];
 193         xa2 = xa1 + getOffsetWidth(layer);
 194 //setWidth(layer, xa2-xa1);
 195 //      ya1 = getOffsetTop(layer);
 196 //setTop(layer, ya1);
 197         ya1 = layerTop[layer];
 198         ya2 = ya1 + getOffsetHeight(layer);
 199 //setHeight(layer, ya2-ya1);
 200 //alert(':' + xa1 + ':' + xa2 + ':' + ya1 + ':' + ya2 + ':');
 201
 202         xb1 = toBeHiddenLeft[i];
 203         xb2 = xb1 + toBeHidden[i].offsetWidth;
 204         yb1 = toBeHiddenTop[i];
 205         yb2 = yb1 + toBeHidden[i].offsetHeight;
 206 //alert(':' + xb1 + ':' + xb2 + ':' + yb1 + ':' + yb2 + ':');
 207
 208         if(xb1>xa1) xa1=xb1; if(xb2<xa2) xa2=xb2;
 209         if(yb1>ya1) ya1=yb1; if(yb2<ya2) ya2=yb2;
 210
 211         return (xa2>xa1 && ya2>ya1);
 212 }
 213
 214 function seeThroughWorkaround(menuName, on)
 215 {
 216         for (i=0; i<toBeHidden.length; i++) {
 217                 if (layersOverlap(menuName, i)) {
 218                         if (on) {
 219                                 toBeHidden[i].style.visibility = 'hidden';
 220                         } else {
 221                                 toBeHidden[i].style.visibility = 'visible';
 222                         }
 223                 }
 224         }
 225 }
 226
 227 function LMPopUpL(menuName, on)
 228 {
 229         if (!loaded) {
 230                 return;
 231         }
 232         if (!layersMoved) {
 233                 moveLayers();
 234                 layersMoved = 1;
 235         }
 236         setVisibility(menuName, on);
 237 }
 238
 239 function LMPopUp(menuName, isCurrent)
 240 {
 241         if (!loaded || menuName == layerPoppedUp || (isVisible(menuName) && !isCurrent)) {
 242                 return;
 243         }
 244         if (menuName == father[layerPoppedUp]) {
 245                 LMPopUpL(layerPoppedUp, false);
 246 //              seeThroughWorkaround(menuName, false);
 247         } else if (father[menuName] == layerPoppedUp) {
 248                 LMPopUpL(menuName, true);
 249                 seeThroughWorkaround(menuName, true);
 250         } else {
 251                 shutdown();
 252                 foobar = menuName;
 253                 do {
 254                         LMPopUpL(foobar, true);
 255                         seeThroughWorkaround(foobar, true);
 256                         foobar = father[foobar];
 257                 } while (foobar != '')
 258         }
 259 /*
 260         if (layerPoppedUp == '') {
 261                 seeThroughElements(false);
 262         }
 263 */
 264         layerPoppedUp = menuName;
 265 }
 266
 267 function resizeHandler()
 268 {
 269         if (NS4) {
 270                 window.location.reload();
 271         }
 272         shutdown();
 273         for (i=0; i<numl; i++) {
 274                 setLeft(listl[i], 0);
 275                 setTop(listl[i], 0);
 276         }
 277         if (toBeHidden != null && toBeHidden.length > 0) {
 278                 seeThroughCoordinatesDetection();
 279         }
 280 //      moveLayers();
 281         layersMoved = 0;
 282 }
 283 window.onresize = resizeHandler;
 284
 285 function yaresizeHandler()
 286 {
 287         if (window.innerWidth != origWidth || window.innerHeight != origHeight) {
 288                 if (Konqueror22 || Opera5) {
 289                         window.location.reload();       // Opera 5 often fails this
 290                 }
 291                 origWidth  = window.innerWidth;
 292                 origHeight = window.innerHeight;
 293                 resizeHandler();
 294         }
 295         setTimeout('yaresizeHandler()', 500);
 296 }
 297 function loadHandler()
 298 {
 299         if (Konqueror22 || Opera56) {
 300                 origWidth  = window.innerWidth;
 301                 origHeight = window.innerHeight;
 302                 yaresizeHandler();
 303         }
 304 }
 305 window.onload = loadHandler;
 306
 307 function fixieflm(menuName)
 308 {
 309         if (DOM) {
 310                 setWidth(menuName, '100%');
 311         } else {        // IE4 IS SIMPLY A BASTARD !!!
 312                 document.write('</div>');
 313                 document.write('<div id="IE4' + menuName + '" style="position: relative; width: 100%; visibility: visible;">');
 314         }
 315 }
 316