Annotation of loncom/html/res/adm/pages/bookmarkmenu/bookmarklib.js, revision 1.4
1.1 tyszkabe 1: // bookmarklib.js
2: //
1.2 tyszkabe 3: // Functions combined with the HTML code in admbookmarks.pm
1.1 tyszkabe 4: //
5:
6:
7: //-------------------------------------------------------------------------------
8: // Here are all of the bookmark methods:
9: //-------------------------------------------------------------------------------
10:
11: //-------------------------------------------------------Adds a link to an object
12: function addLink(name, link, address, position) {
13: this.lname = name;
14: this.link = link;
15: this.address = address;
16: this.position = position;
17: this.state = "link";
1.2 tyszkabe 18: this.icon = "/res/adm/pages/bookmarkmenu/link.gif";
19: this.pressed = "/res/adm/pages/bookmarkmenu/link_pressed.gif";
1.1 tyszkabe 20: this.hover = hover;
21: this.remove = remove
22: this.exists = true;
23: }
24:
25: //-----------------------------------------------------Adds a folder to an object
26: function addFolder(name, size, address) {
27: this.p = new Array(size);
28: this.lname = name;
29: this.address = address;
30: this.state = "opened";
1.2 tyszkabe 31: this.icon = "/res/adm/pages/bookmarkmenu/folder_opened.gif";
32: this.pressed = "/res/adm/pages/bookmarkmenu/folder_opened_pressed.gif";
1.1 tyszkabe 33: this.swapState = swapState;
34: this.clickFolder = clickFolder;
35: this.clickLink = clickLink;
36: this.hover = hover;
37: this.remove = remove;
38: this.bump = bump;
39: this.insertLink = insertLink;
40: this.insertFolder = insertFolder;
41: this.exists = true;
42: }
43:
44: //-----------------------------------------Swaps folder state from open to closed
45: function swapState() {
46: if (this.state == "closed") {
47: this.state = "opened";
1.3 tyszkabe 48: this.icon = "/res/adm/pages/bookmarkmenu/folder_opened.gif";
49: this.pressed = "/res/adm/pages/bookmarkmenu/folder_opened_pressed.gif";
1.1 tyszkabe 50: } else {
51: this.state = "closed";
1.3 tyszkabe 52: this.icon = "/res/adm/pages/bookmarkmenu/folder_closed.gif";
53: this.pressed = "/res/adm/pages/bookmarkmenu/folder_closed_pressed.gif";
1.1 tyszkabe 54: }
1.4 ! tyszkabe 55: redrawTree();
1.1 tyszkabe 56: }
57:
58: //------------------------------------------swaps the dragged icon into the image
59: function hover( object ) {
60: if ( dragCache != "" ) {
61: object.src = this.pressed;
62: parent.frames[4].document.images[lastDrug].src = lastIcon;
63: lastIcon = this.icon;
64: lastDrug = object.name;
65: }
66: }
67:
68: //------------------------------------------------------The click on link method
69: function clickLink( object, position ) {
70: if (dragCache=="") { //---------'pick up' the icon
71: dragCache=object.src;
72: lastIcon=this.p[position].icon;
73: lastDrug=object.name;
74: addressCache=new addLink(this.p[position].lname,this.p[position].link,this.p[position].address,position);
75: this.p[position].remove();
76: } else { //--------'put down' the icon
77: dragCache="";
78: if ( addressCache.state == "link" ) { //------differently if a link
79: this.insertLink( position );
80: } else { //--------------than a folder
81: this.insertFolder( position );
82: }
83: redrawTree();
84: }
85: }
86:
87: //-----------------------------------------------------The click on Folder method
88: function clickFolder( object ) {
89: if (dragCache=="") { //---------'pick up' the icon
90: dragCache=object.src;
91: lastIcon=this.icon;
92: lastDrug=object.name;
1.2 tyszkabe 93: addressCache=new addFolder("lame_folder",2,"doesnotmatter"); //used to be (this.lname,this.p.length+1,this.address)
94: shiftFolder(this,addressCache,1); //this is a whole new line
1.1 tyszkabe 95: this.remove();
96: } else { //--------'put down' the icon
97: dragCache = "";
98: if ( addressCache.state == "link" ) { //-----place link into folder
99: this.insertLink( 1 );
100: // this.p[ this.p.length ] = new addLink( addressCache.lname, addressCache.link, this.address, this.p.length );
101: } else { //---place folder into folder
102: this.insertFolder( 1 );
103: // this.p[ this.p.length ] = new addFolder( addressCache.lname, addressCache.p.length, this.address+".p["+this.p.length+"]" );
104: // this.p[ this.p.length ].p = addressCache.p;
105: }
106: redrawTree();
107: }
108: }
109:
110: //---------Folder method to place link in middle of other links (should simplify code)
111: function insertLink( position ) {
112: this.bump( position );
113: this.p[ position ] = new addLink( addressCache.lname, addressCache.link, this.address, position );
114: }
115:
116:
117: //---------------------------Recursive folder Method to bump items up one to make room
118: // for new item. Currently, bump doesn't always work.
119: function bump( position ) {
120: // ORIGINAL RECURSIVE VERSION has short-comings but may work better because of 'not exists'
121: //
122: // if ( this.length >= position ) {
123: // this.bump( position + 1 );
124: // }
125: // position;
126: // this.p[ position + 1 ] = this.p[position ];
127: //
128: // NON RECURSIVE of the same thing (I'll probably stick with this).
129: // I can combine the creation and shifting if everything works out nicely
130: // Worry about what happens to the first link.
131: var i=this.p.length; // First, create a new spot at the top.
132: if (this.p[i-1].state=="link") {
133: this.p[i]=new addLink(this.p[i-1].lname,this.p[i-1].link,this.address,i);
134: } else {
135: this.p[i]=new addFolder(this.p[i-1].lname,this.p[i-1].p.length,this.address+".p["+i+"]");
136: }
137: this.p[i].exists=this.p[i-1].exists; // preserve existance
138: i--; // Second, shift others up one
139: while ( i >= position + 1 ) {
140: if ( this.p[i-1].state == "link" ) {
141: this.p[ i ] = new addLink( this.p[ i-1 ].lname, this.p[i-1].link, this.p[i-1].address, i);
142: } else {
143: this.p[ i ] = new addFolder( this.p[ i-1 ].lname, this.p[i-1].p.length, this.address+".p["+ i +"]" );
144: // move all of the inner folder stuff
145: shiftFolder( this.p[i-1], this, i);
146: }
147: // this.p[i].address = this.p[i-1].address;
148: // this.p[i].exists = this.p[ i-1 ].exists; // preserve existance
149: i--;
150: }
151: }
152:
153: //-----------------------------------------------------------Opens the page
154: function clickOnBookmark(url) {
1.3 tyszkabe 155: open(url,opener.clientwindow.name); // <------THIS IS REAL VERSION
156: // opener.open(url); // <------THIS IS FAKE VERSION
1.1 tyszkabe 157: }
158:
159:
160:
161:
162: //-------------------------------------------------------------------------
163: // Now we have standard (non-method) functions
164: //-------------------------------------------------------------------------
165:
166:
167: //---------------------------------shifts contents of folder up one position
168: function shiftFolder(object1, object2, n) {
169: object2.p[n] = new addFolder(object1.lname,object1.length,object2.address+".p["+n+"]");
170: for (var i=1; i<object1.p.length; i++) {
171: if (object1.p[i].state=="link") {
172: object2.p[n].p[i]=new addLink(object1.p[i].lname,object1.p[i].link,object2.p[n].address,i);
173: } else {
174: object2.p[n].p[i]=new addFolder(object1.p[i].lname,object1.p[i].length,object2.address+".p["+n+"].p["+i+"]");
175: shiftFolder(object1.p[i],object2.p[n],i);
176: }
177: object2.p[n].p[i].state=object1.p[i].state;
178: object2.p[n].p[i].icon=object1.p[i].icon;
179: object2.p[n].p[i].pressed=object1.p[i].pressed;
180: object2.p[n].p[i].exists=object1.p[i].exists;
181: }
182: object2.p[n].state=object1.state;
183: object2.p[n].icon=object1.icon;
184: object2.p[n].pressed=object1.pressed;
185: object2.p[n].exists=object1.exists;
186: }
187:
188:
189: //--------Method to place folder in middle of other links (this simplifies code)
190: function insertFolder(position) {
191: this.bump(position);
192: shiftFolder(addressCache.p[1],this,position);
193: }
194:
195:
196: //---------------------------delete link&folder from within other links&folders
197: function remove() {
198: this.exists = false;
199: }
200:
201: //---------------------Function that deletes link from dragging it to the trash
202: function clickTrash() {
203: dragCache = "";
204: redrawTree();
205: }
206:
207: //-----------------------------------------------------------------------------
208: // These functions should be incorporated as methods
209: // and the trash should be a folder. I'll work on this later.
210: //-----------------------------------------------------------------------------
211: function hoverTrash() {
212: // if ( dragCache != "" ) {
213: // parent.frames[6].document.images[0].src = lastIcon;
214: // lastIcon = "folder_trash.gif";
215: // }
216: }
217: //----------------------------------------------------------------------------
218:
1.4 ! tyszkabe 219: //----------------------------------------------------------------Add new link
! 220: function newLink() {
! 221: window.open("add_link.html","Link","width=400,height=200,scrollbars=0");
! 222: }
1.1 tyszkabe 223:
224: //-----------------------------------------------------------------------------
225: // The following are construction functions.
226: //-----------------------------------------------------------------------------
227:
228: //--------------------------------------------------generate the Tree HTML code
229: function drawTree(depth, folder) {
230: for (var i=1; i<folder.length; i++) {
231: if (folder[i].exists) {
232: if (folder[i].state=="link") {
233: drawLink(depth,folder[i]);
234: } else {
235: drawFolder(depth,folder[i]);
236: if (folder[i].state=="opened" && folder[i].p.length>=0) {
237: drawTree(depth+1,folder[i].p);
238: }
239: }
240: }
241: }
242: }
243:
244: //----------------------------------------Writes HTML code for individual folder
245: function drawFolder(depth, folder) {
246: parent.frames[4].document.write("<TABLE border=0 cellspacing=0 cellpadding=0><TR><TD valign=left nowrap>");
1.2 tyszkabe 247: parent.frames[4].document.write("<a href=\"javascript:top.bookmarkpal."+folder.address+".swapState();\" ><IMG src='/res/adm/pages/bookmarkmenu/folder_pointer_"+folder.state+".gif' width=15 height=25 border=noborder ></a>");
1.1 tyszkabe 248: image_num++;
249: if ( depth != 1 ) {
250: image_num++;
1.2 tyszkabe 251: parent.frames[4].document.write("<A href=\"javascript:top.bookmarkpal."+folder.address+".clickFolder(document.images["+image_num+"]);\" onmouseover=\"top.bookmarkpal."+folder.address+".hover(document.images["+image_num+"])\" ><IMG src='/res/adm/pages/bookmarkmenu/folder_spacer.gif' width="+ 20*( depth - 1 ) +" height=25 border=noborder></A>");
1.1 tyszkabe 252: }
253: parent.frames[4].document.write("<A href=\"javascript:top.bookmarkpal."+folder.address+".clickFolder(document.images["+image_num+"]);\" onmouseover=\"top.bookmarkpal."+folder.address+".hover(document.images["+image_num+"])\" ><IMG src='"+folder.icon+"' width=25 height=25 border=noborder name="+image_num+"></A>");
254: image_num++;
255: parent.frames[4].document.write("<TD valign=middle align=left nowrap><FONT face='Arial, Helvetica'> "+folder.lname+"</FONT></TABLE>");
256: }
257:
258: //--------------------------------------Writes HTML code for individual link
259: function drawLink(depth, folder) {
260: parent.frames[4].document.write("<TABLE border=0 cellspacing=0 cellpadding=0><TR><TD valign = middle nowrap>");
261: image_num++;
1.2 tyszkabe 262: parent.frames[4].document.write("<A href=\"javascript:top.bookmarkpal."+folder.address+".clickLink(document.images["+image_num+"], "+folder.position+");\" onmouseover=\"top.bookmarkpal."+folder.address+".p["+ folder.position +"].hover(document.images["+image_num+"])\" ><IMG src='/res/adm/pages/bookmarkmenu/folder_spacer.gif' width="+ 20 * depth +" height=25 border=noborder></A>");
1.1 tyszkabe 263:
264: parent.frames[4].document.write("<A href=\"javascript:top.bookmarkpal."+folder.address+".clickLink(document.images["+image_num+"], "+folder.position+");\" onmouseover=\"top.bookmarkpal."+folder.address+".p["+ folder.position +"].hover(document.images["+image_num+"])\" ><IMG src='"+folder.icon+"' width=25 height=25 border=noborder name="+image_num+" ></A>");
265: image_num++;
266: parent.frames[4].document.write("<TD valign=middle align=left nowrap><FONT size=-1 face='Arial, Helvetica'><A href=\"javascript:top.clickOnBookmark\( '"+folder.link+"\' );\">"+folder.lname+"</a></FONT></TABLE>");
267: }
268:
269: //--------------------Calls Build and draws functions. This function also takes
270: // care of housekeeping
271: function initializeTree() {
272: bookmarkpal = new buildUserTree();
273: redrawTree();
274: }
275:
276: //--------------------------------Redraws screen without initiallizing anything
277: function redrawTree() {
278: parent.frames[4].document.clear();
279: image_num = 0;
280: parent.frames[4].document.write("<BODY>");
1.3 tyszkabe 281: drawTree(1,bookmarkpal.bookmarks.p); //----giving error: bookmarkpal not defined
1.1 tyszkabe 282: parent.frames[4].document.write("</BODY>");
283: }
284:
1.2 tyszkabe 285: //-----------------------------------------------------------------------------
286: // Saves bookmarks by building and then 'put'ing the string that generates the
287: // bookmarks
288: //-----------------------------------------------------------------------------
289:
290: //----------------------------------------------------------starts save process
291: function save() {
1.3 tyszkabe 292: parent.frames[4].document.clear();
1.4 ! tyszkabe 293: parent.frames[4].document.write("<P>Debug: Beginning save process...</P>"); // debug
1.3 tyszkabe 294: saveVar="this.bookmarks=new addFolder('Stuff',"+bookmarkpal.bookmarks.p.length+",'bookmarks')<br>\n";
295: saveTree("this.bookmarks",bookmarkpal.bookmarks.p);
296: parent.frames[4].document.write("<p>writing variable...</p>"+saveVar+"<p>...done</p>"); // debug
297: parent.frames[7].document.saveBookmarks.hidden_bookmarks=saveVar;
298: return true;
1.2 tyszkabe 299: }
300:
301:
1.3 tyszkabe 302: //---------------------------------------------------------generate save string
1.2 tyszkabe 303: function saveTree(depth_string,folder) {
304: for (var i=1; i<folder.length; i++) {
305: if (folder[i].exists) {
306: if (folder[i].state=="link") {
1.3 tyszkabe 307: saveLink(depth_string+".p["+i+"]",folder[i]);
1.2 tyszkabe 308: } else {
1.3 tyszkabe 309: saveFolder(depth_string+".p["+i+"]",folder[i]);
1.2 tyszkabe 310: if (folder[i].state=="opened" && folder[i].p.length>=0) {
311: saveTree(depth_string+".p["+i+"]",folder[i].p);
312: }
313: }
314: }
315: }
1.1 tyszkabe 316: }
1.2 tyszkabe 317:
318:
319: //-------------------------Writes javascript code for generating individual folder
320: function saveFolder(depth_string, folder) {
1.3 tyszkabe 321: saveVar+=depth_string+"=new addfolder('"+folder.lname+"',"+folder.p.length+",'"+folder.address+"');<BR>\n";
1.2 tyszkabe 322: }
323:
324:
325: //-------------------------Writes javascript code for generating individual link
326: function saveLink(depth_string,link) {
1.3 tyszkabe 327: saveVar+=depth_string+"=new addlink('"+link.lname+"','"+link.link+"','"+link.address+"',"+link.position+");<BR>\n";
1.2 tyszkabe 328: }
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