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