[24771] | 1 | /*
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| 2 | Copyright (c) 2006 Dusty Davidson - http://www.dustyd.net
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| 3 | (portions Copyright (c) 2005 Angus Turnbull http://www.twinhelix.come)
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| 4 |
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| 5 | Permission is hereby granted, free of charge, to any person obtaining
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| 6 | a copy of this software and associated documentation files (the "Software"),
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| 7 | to deal in the Software without restriction, including without limitation
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| 8 | the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 9 | and/or sell copies of the Software, and to permit persons to whom the Software
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| 10 | is furnished to do so, subject to the following conditions:
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| 11 |
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| 12 | The above copyright notice and this permission notice shall be included in
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| 13 | all copies or substantial portions of the Software.
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| 14 |
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| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 19 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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| 20 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 21 | */
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| 22 |
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| 23 | /*********************************************************/
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| 24 | /*** Photo Notes Container *******************************/
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| 25 | /*********************************************************/
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| 26 | function PhotoNoteContainer(element, config)
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| 27 | {
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| 28 | var props = {
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| 29 | element: element,
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| 30 | dragresize: null,
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| 31 | notes: new Array(),
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| 32 | editing: false
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| 33 | };
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| 34 |
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| 35 | for (var p in props)
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| 36 | {
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| 37 | this[p] = (!config || typeof config[p] == 'undefined') ? props[p] : config[p];
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| 38 | }
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| 39 |
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| 40 | };
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| 41 |
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| 42 | PhotoNoteContainer.prototype.DeleteNote = function(note)
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| 43 | {
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| 44 | note.UnSelect();
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| 45 |
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| 46 | /* remove from the DOM */
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| 47 | this.element.removeChild(note.gui.ElementRect);
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| 48 | this.element.removeChild(note.gui.ElementNote);
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| 49 |
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| 50 | /* remove from the array... */
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| 51 | this.notes.remove(note);
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| 52 | }
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| 53 |
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| 54 | PhotoNoteContainer.prototype.AddNote = function(note)
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| 55 | {
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| 56 | if(!this.editing)
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| 57 | {
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| 58 | /* add the note to the array of notes, and set its container */
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| 59 | this.notes[this.notes.length] = note;
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| 60 | note.container = this;
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| 61 |
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| 62 | /* add the note to the DOM */
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| 63 | this.element.appendChild(note.gui.ElementRect);
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| 64 | this.element.appendChild(note.gui.ElementNote);
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| 65 | }
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| 66 | };
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| 67 |
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| 68 | /* hide all of the "text" parts of the notes. Primarily called when hovering a note, at which
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| 69 | point we want to hide all of the other note texts */
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| 70 | PhotoNoteContainer.prototype.HideAllNoteTexts = function()
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| 71 | {
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| 72 | for (var i = 0;i<this.notes.length;i++)
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| 73 | this.notes[i].HideNoteText();
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| 74 | };
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| 75 |
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| 76 |
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| 77 | PhotoNoteContainer.prototype.DisableAllNotes = function()
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| 78 | {
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| 79 | for (var i = 0;i<this.notes.length;i++)
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| 80 | this.notes[i].DisableNote();
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| 81 | };
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| 82 |
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| 83 | PhotoNoteContainer.prototype.HideAllNotes = function()
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| 84 | {
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| 85 | for (var i = 0;i<this.notes.length;i++)
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| 86 | this.notes[i].HideNote();
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| 87 | };
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| 88 |
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| 89 | PhotoNoteContainer.prototype.ShowAllNotes = function()
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| 90 | {
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| 91 | for (var i = 0;i<this.notes.length;i++)
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| 92 | this.notes[i].ShowNote();
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| 93 | };
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| 94 |
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| 95 | PhotoNoteContainer.prototype.EnableAllNotes = function()
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| 96 | {
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| 97 | for (var i = 0;i<this.notes.length;i++)
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| 98 | this.notes[i].EnableNote();
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| 99 | };
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| 100 |
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| 101 |
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| 102 |
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| 103 | /*********************************************************/
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| 104 | /*** Photo Note ******************************************/
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| 105 | /*********************************************************/
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| 106 | function PhotoNote(text,id,rect)
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| 107 | {
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| 108 | var props = {
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| 109 | text: text,
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| 110 | id: id,
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| 111 | rect: rect,
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| 112 | selected: false,
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| 113 | container: null,
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| 114 | dragresize: null,
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| 115 | oldRect: null,
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| 116 | YOffset: 10,
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| 117 | XOffset: 0,
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| 118 | onsave: null,
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| 119 | ondelete: null,
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| 120 | gui: null
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| 121 |
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| 122 | };
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| 123 |
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| 124 | for (var p in props)
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| 125 | {
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| 126 | this[p] = props[p];
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| 127 | }
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| 128 |
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| 129 | this.CreateElements();
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| 130 | }
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| 131 |
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| 132 | PhotoNote.prototype.Select = function()
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| 133 | {
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| 134 | //window.status = 'container: ' + this.container;
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| 135 | if(!this.container.editing)
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| 136 | {
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| 137 | this.ShowNoteText();
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| 138 | this.dragresize.select(this.gui.ElementRect);
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| 139 | this.selected = true;
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| 140 | this.SetEditable(true);
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | PhotoNote.prototype.UnSelect = function()
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| 145 | {
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| 146 | this.dragresize.deselect(false);
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| 147 | this.selected = false;
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| 148 | this.SetEditable(false);
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| 149 | this.HideNoteText();
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| 150 | }
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| 151 |
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| 152 | PhotoNote.prototype.Save = function()
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| 153 | {
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| 154 | this.oldRect = null;
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| 155 | this.gui.TextTitle.innerHTML = this.gui.TextBox.value;
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| 156 | this.text = this.gui.TextBox.value
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| 157 | this.UnSelect();
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| 158 | }
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| 159 |
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| 160 | PhotoNote.prototype.Cancel = function()
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| 161 | {
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| 162 | //if the note is still new, then we actually want to delete it, not cancel it..
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| 163 | if(this.id < 0)
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| 164 | {
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| 165 | this.container.DeleteNote(this)
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| 166 | }
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| 167 | else
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| 168 | {
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| 169 | //reset the node to it's old position
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| 170 | if(this.oldRect != null)
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| 171 | {
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| 172 | this.rect = this.oldRect;
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| 173 | }
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| 174 | this.oldRect = null;
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| 175 | this.gui.TextBox.value = this.text;
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| 176 | this.PositionNote();
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| 177 | this.UnSelect();
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| 178 | }
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| 179 | }
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| 180 |
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| 181 | PhotoNote.prototype.ShowNoteText = function()
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| 182 | {
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| 183 | if(!this.container.editing)
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| 184 | {
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| 185 | this.container.HideAllNoteTexts();
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| 186 | this.container.DisableAllNotes();
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| 187 | this.EnableNote();
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| 188 |
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| 189 | this.gui.ElementNote.style.display='block';
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| 190 | if(BrowserDetect.browser == 'Explorer')
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| 191 | {
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| 192 | this.gui.ElementRect.firstChild.filters.alpha.opacity = '85';
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| 193 | this.gui.ElementRect.firstChild.firstChild.filters.alpha.opacity = '85';
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| 194 | } else {
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| 195 | this.gui.ElementRect.firstChild.firstChild.style.opacity = '.85';
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| 196 | this.gui.ElementRect.firstChild.style.opacity = '.85';
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| 197 | }
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| 198 |
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| 199 | }
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| 200 | }
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| 201 |
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| 202 | PhotoNote.prototype.DisableNote = function ()
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| 203 | {
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| 204 | this.dragresize.enabled=false;
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| 205 | }
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| 206 |
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| 207 | PhotoNote.prototype.EnableNote = function ()
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| 208 | {
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| 209 | this.dragresize.enabled=true;
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| 210 | }
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| 211 |
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| 212 | PhotoNote.prototype.HideNoteText = function ()
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| 213 | {
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| 214 | this.gui.ElementNote.style.display='none';
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| 215 | if(BrowserDetect.browser == 'Explorer')
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| 216 | {
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| 217 | this.gui.ElementRect.firstChild.firstChild.filters.alpha.opacity = '40';
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| 218 | this.gui.ElementRect.firstChild.filters.alpha.opacity = '40';
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| 219 | } else {
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| 220 | this.gui.ElementRect.firstChild.style.opacity = '0.4';
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| 221 | this.gui.ElementRect.firstChild.firstChild.style.opacity = '0.4';
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| 222 | }
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| 223 | }
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| 224 |
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| 225 | PhotoNote.prototype.HideNote = function ()
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| 226 | {
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| 227 | this.gui.ElementRect.style.display='none';
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| 228 | this.gui.ElementNote.style.display='none';
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| 229 | }
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| 230 |
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| 231 | PhotoNote.prototype.ShowNote = function ()
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| 232 | {
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| 233 | this.gui.ElementRect.style.display='block';
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| 234 | this.gui.ElementNote.style.display='none';
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| 235 | }
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| 236 |
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| 237 | PhotoNote.prototype.SetEditable = function(editable)
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| 238 | {
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| 239 | this.container.editing = editable;
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| 240 |
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| 241 | if(editable)
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| 242 | {
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| 243 | //the first child of the note is the text
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| 244 | this.gui.TextTitle.style.display = 'none';
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| 245 |
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| 246 | //the second child is the edit area...
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| 247 | this.gui.EditArea.style.display = 'block';
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| 248 |
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| 249 | //if this is a "new" note, then hide the delete button
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| 250 | if(this.id <= 0)
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| 251 | this.gui.DeleteButton.style.display = 'none';
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| 252 | else
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| 253 | this.gui.DeleteButton.style.display = 'inline';
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| 254 |
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| 255 | // get the textarea and select the text...
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| 256 | this.HighlightTextbox();
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| 257 | }
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| 258 | else
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| 259 | {
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| 260 | //the first child of the note is the text
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| 261 | this.gui.TextTitle.style.display = 'block';
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| 262 |
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| 263 | //the second child is the edit area...
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| 264 | this.gui.EditArea.style.display = 'none';
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| 265 | }
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| 266 | }
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| 267 |
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| 268 | PhotoNote.prototype.HighlightTextbox = function ()
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| 269 | {
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| 270 | // get the textarea and select the text...
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| 271 | if(this.gui.EditArea.style.display=='block')
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| 272 | {
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| 273 | var textfield = this.gui.TextBox;
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| 274 | setTimeout(function() {
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| 275 | try
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| 276 | {
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| 277 | textfield.focus();
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| 278 | textfield.select();
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| 279 | }
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| 280 | catch(e) {}
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| 281 | }, 200);
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| 282 | }
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| 283 |
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| 284 | }
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| 285 |
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| 286 | PhotoNote.prototype.CreateElements = function()
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| 287 | {
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| 288 | this.gui = new PhotoNoteGUI();
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| 289 |
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| 290 | var newArea = document.createElement('div');
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| 291 | this.dragresize = new DragResize('dragresize', { allowBlur: false });
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| 292 | newArea.className = 'fn-area';
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| 293 | newArea.id = 'fn-area-new';
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| 294 |
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| 295 | var newAreaBlack = document.createElement('div');
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| 296 | newAreaBlack.className = 'fn-area-blackborder';
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| 297 | var newAreaWhite = document.createElement('div');
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| 298 | newAreaWhite.className = 'fn-area-whiteborder';
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| 299 |
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| 300 | var currentNote = this;
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| 301 |
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| 302 | var newAreaInner = document.createElement('div');
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| 303 | newAreaInner.className = 'fn-area-inner';
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| 304 | newAreaWhite.appendChild(newAreaInner);
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| 305 |
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| 306 | //attach mouse events to this element...
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| 307 | addEvent(newAreaInner, 'mouseover', function() {
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| 308 | currentNote.ShowNoteText();
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| 309 | });
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| 310 | addEvent(newAreaInner, 'mouseout', function() {
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| 311 |
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| 312 | if(!currentNote.selected)
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| 313 | {
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| 314 | setTimeout(function () {
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| 315 | currentNote.HideNoteText();
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| 316 | }, 250);
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| 317 |
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| 318 | }
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| 319 | });
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| 320 |
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| 321 | addEvent(newAreaInner, 'mousedown', function() {
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| 322 | if(!currentNote.selected)
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| 323 | {
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| 324 | //window.status = 'mouseDown2!';
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| 325 | currentNote.Select();
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| 326 | }
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| 327 | });
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| 328 |
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| 329 | newAreaBlack.appendChild(newAreaWhite);
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| 330 | newArea.appendChild(newAreaBlack);
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| 331 |
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| 332 | // add the notes area
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| 333 | var noteArea = document.createElement('div');
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| 334 | noteArea.className = 'fn-note';
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| 335 |
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| 336 | var titleArea = document.createElement('div');
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| 337 | titleArea.className = 'fn-note-text';
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| 338 | var t = document.createTextNode(this.text);
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| 339 | titleArea.appendChild(t);
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| 340 | noteArea.appendChild(titleArea);
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| 341 |
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| 342 | var editArea = document.createElement('div');
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| 343 | editArea.className = 'fn-note-edit';
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| 344 |
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| 345 | var editAreaText = document.createElement('div');
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| 346 | editAreaText.className = 'fn-note-edit-text';
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| 347 |
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| 348 | var newTextbox = document.createElement('textarea');
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| 349 | newTextbox.value = this.text;
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| 350 | editAreaText.appendChild(newTextbox);
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| 351 | editArea.appendChild(editAreaText);
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| 352 |
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| 353 | var buttonsDiv = document.createElement('div');
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| 354 | var newButtonOK = document.createElement('input');
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| 355 | newButtonOK.type='button';
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| 356 | newButtonOK.className = 'Butt';
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| 357 | newButtonOK.value='SAVE';
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| 358 | newButtonOK.onclick = function() {
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| 359 | if(currentNote.onsave)
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| 360 | {
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| 361 | currentNote.text = newTextbox.value;
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| 362 | var res = currentNote.onsave(currentNote);
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| 363 | if(res > 0)
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| 364 | {
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| 365 | //window.status = '';
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| 366 | currentNote.id = res;
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| 367 | currentNote.Save();
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| 368 | }
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| 369 | else
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| 370 | {
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| 371 | alert("error saving note");
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| 372 | currentNote.Cancel();
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| 373 | }
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| 374 | }
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| 375 | else
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| 376 | {
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| 377 | alert("onsave must be implemented in order to *actually* save");
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| 378 | currentNote.Cancel();
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| 379 | }
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| 380 | };
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| 381 | buttonsDiv.appendChild(newButtonOK);
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| 382 |
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| 383 | var newButtonCancel = document.createElement('input');
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| 384 | newButtonCancel.type='button';
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| 385 | newButtonCancel.className = 'CancelButt';
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| 386 | newButtonCancel.value='CANCEL';
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| 387 | newButtonCancel.onclick = function() {
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| 388 | currentNote.Cancel();
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| 389 |
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| 390 | };
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| 391 | buttonsDiv.appendChild(newButtonCancel);
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| 392 |
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| 393 | var newButtonDelete = document.createElement('input');
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| 394 | newButtonDelete.type='button';
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| 395 | newButtonDelete.className = 'CancelButt';
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| 396 | newButtonDelete.value='DELETE';
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| 397 | newButtonDelete.onclick = function() {
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| 398 |
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| 399 | if(currentNote.ondelete)
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| 400 | {
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| 401 | var res = currentNote.ondelete(currentNote);
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| 402 | if(res)
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| 403 | {
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| 404 | currentNote.container.DeleteNote(currentNote);
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| 405 | }
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| 406 | else
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| 407 | {
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| 408 | alert("error deleting note");
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| 409 | }
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| 410 | }
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| 411 | else
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| 412 | {
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| 413 | alert("ondelete must be implemented in order to *actually* delete");
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| 414 | }
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| 415 | };
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| 416 | buttonsDiv.appendChild(newButtonDelete);
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| 417 |
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| 418 | editArea.appendChild(buttonsDiv);
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| 419 | noteArea.appendChild(editArea);
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| 420 |
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| 421 | /********* DRAG & RESIZE EVENTS **********************/
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| 422 | this.dragresize.isElement = function(elm)
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| 423 | {
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| 424 | if(elm.className == 'fn-area')
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| 425 | {
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| 426 | this.maxRight = currentNote.container.element.offsetWidth;
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| 427 | this.maxBottom = currentNote.container.element.offsetHeight - 3;
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| 428 | return true;
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| 429 | }
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| 430 | };
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| 431 | this.dragresize.isHandle = function(elm)
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| 432 | {
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| 433 | if(elm.className == 'fn-area')
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| 434 | return true;
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| 435 | };
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| 436 | this.dragresize.ondragfocus = function()
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| 437 | {
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| 438 | currentNote.gui.ElementRect.style.cursor = 'move';
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| 439 | };
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| 440 | this.dragresize.ondragblur = function()
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| 441 | {
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| 442 | currentNote.gui.ElementRect.style.cursor = 'pointer';
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| 443 | };
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| 444 | this.dragresize.ondragstart = function()
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| 445 | {
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| 446 | if(currentNote.oldRect == null)
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| 447 | {
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| 448 | var r = currentNote.rect;
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| 449 | currentNote.oldRect = new PhotoNoteRect(r.left,r.top,r.width,r.height);
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| 450 | }
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| 451 | };
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| 452 | this.dragresize.ondragend = function()
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| 453 | {
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| 454 | //window.status = 'LKSFDLKJDFSLKJFDLKJ';
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| 455 | currentNote.HighlightTextbox();
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| 456 | };
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| 457 | this.dragresize.ondragmove = function()
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| 458 | {
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| 459 | currentNote.rect.left = parseInt(this.element.style.left);
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| 460 | currentNote.rect.top = parseInt(this.element.style.top);
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| 461 | currentNote.rect.width = parseInt(this.element.style.width);
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| 462 | currentNote.rect.height = parseInt(this.element.style.height);
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| 463 | currentNote.PositionNote();
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| 464 | };
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| 465 |
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| 466 | this.dragresize.apply(document);
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| 467 |
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| 468 | /* setup the GUI object */
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| 469 | this.gui.ElementRect = newArea;
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| 470 | this.gui.ElementNote = noteArea;
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| 471 | this.gui.EditArea = editArea;
|
---|
| 472 | this.gui.TextBox = newTextbox;
|
---|
| 473 | this.gui.TextTitle = titleArea;
|
---|
| 474 | this.gui.DeleteButton = newButtonDelete;
|
---|
| 475 |
|
---|
| 476 | /* position the note text below the note area */
|
---|
| 477 | this.PositionNote();
|
---|
| 478 | }
|
---|
| 479 |
|
---|
| 480 | PhotoNote.prototype.PositionNote = function()
|
---|
| 481 | {
|
---|
| 482 | /* outer most box */
|
---|
| 483 | this.gui.ElementRect.style.left = this.rect.left + 'px';
|
---|
| 484 | this.gui.ElementRect.style.top = this.rect.top + 'px';
|
---|
| 485 | this.gui.ElementRect.style.width = this.rect.width + 'px';
|
---|
| 486 | this.gui.ElementRect.style.height = this.rect.height + 'px';
|
---|
| 487 |
|
---|
| 488 | // black border
|
---|
| 489 | this.gui.ElementRect.firstChild.style.width = parseInt(this.gui.ElementRect.style.width) - 2 + 'px';
|
---|
| 490 | this.gui.ElementRect.firstChild.style.height = parseInt(this.gui.ElementRect.style.height) - 2 + 'px';
|
---|
| 491 |
|
---|
| 492 | // white border
|
---|
| 493 | this.gui.ElementRect.firstChild.firstChild.style.width = parseInt(this.gui.ElementRect.style.width) - 4 + 'px';
|
---|
| 494 | this.gui.ElementRect.firstChild.firstChild.style.height = parseInt(this.gui.ElementRect.style.height) - 4 + 'px';
|
---|
| 495 |
|
---|
| 496 | // inner box
|
---|
| 497 | this.gui.ElementRect.firstChild.firstChild.firstChild.style.width = parseInt(this.gui.ElementRect.style.width) - 6 + 'px';
|
---|
| 498 | this.gui.ElementRect.firstChild.firstChild.firstChild.style.height = parseInt(this.gui.ElementRect.style.height) - 6 + 'px';
|
---|
| 499 |
|
---|
| 500 | this.gui.ElementNote.style.left = this.rect.left + this.XOffset + 'px';
|
---|
| 501 | this.gui.ElementNote.style.top = this.rect.top + this.YOffset + this.rect.height + 'px';
|
---|
| 502 |
|
---|
| 503 | }
|
---|
| 504 |
|
---|
| 505 | /*********************************************************/
|
---|
| 506 | /*** Photo Note GUI Object *******************************/
|
---|
| 507 | /*********************************************************/
|
---|
| 508 | function PhotoNoteGUI()
|
---|
| 509 | {
|
---|
| 510 | this.ElementRect = null;
|
---|
| 511 |
|
---|
| 512 | // the note text area...
|
---|
| 513 | this.ElementNote = null;
|
---|
| 514 | this.TextTitle = null;
|
---|
| 515 | this.EditArea = null;
|
---|
| 516 | this.TextBox = null;
|
---|
| 517 |
|
---|
| 518 | // buttons
|
---|
| 519 | this.DeleteButton = null;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 |
|
---|
| 523 |
|
---|
| 524 | /*********************************************************/
|
---|
| 525 | /*** Rectangle *******************************************/
|
---|
| 526 | /*********************************************************/
|
---|
| 527 | function PhotoNoteRect(left,top,width,height)
|
---|
| 528 | {
|
---|
| 529 | this.left = left;
|
---|
| 530 | this.top = top;
|
---|
| 531 | this.width = width;
|
---|
| 532 | this.height = height;
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | /* for debugging purposes */
|
---|
| 536 | PhotoNoteRect.prototype.toString = function()
|
---|
| 537 | {
|
---|
| 538 | return 'left: ' + this.left + ', top: ' + this.top + ', width: ' + this.width + ', height: ' + this.height;
|
---|
| 539 | }
|
---|
| 540 |
|
---|
| 541 |
|
---|
| 542 | // *** Common API Code ***
|
---|
| 543 | // (c) 2005 Angus Turnbull http://www.twinhelix.com
|
---|
| 544 |
|
---|
| 545 | var aeOL = [];
|
---|
| 546 | function addEvent(o, n, f, l)
|
---|
| 547 | {
|
---|
| 548 | var a = 'addEventListener', h = 'on'+n, b = '', s = '';
|
---|
| 549 | if (o[a] && !l) return o[a](n, f, false);
|
---|
| 550 | o._c |= 0;
|
---|
| 551 | if (o[h])
|
---|
| 552 | {
|
---|
| 553 | b = '_f' + o._c++;
|
---|
| 554 | o[b] = o[h];
|
---|
| 555 | }
|
---|
| 556 | s = '_f' + o._c++;
|
---|
| 557 | o[s] = f;
|
---|
| 558 | o[h] = function(e)
|
---|
| 559 | {
|
---|
| 560 | e = e || window.event;
|
---|
| 561 | var r = true;
|
---|
| 562 | if (b) r = o[b](e) != false && r;
|
---|
| 563 | r = o[s](e) != false && r;
|
---|
| 564 | return r;
|
---|
| 565 | };
|
---|
| 566 | aeOL[aeOL.length] = { o: o, h: h };
|
---|
| 567 | };
|
---|
| 568 | addEvent(window, 'unload', function() {
|
---|
| 569 | for (var i = 0; i < aeOL.length; i++) with (aeOL[i])
|
---|
| 570 | {
|
---|
| 571 | o[h] = null;
|
---|
| 572 | for (var c = 0; o['_f' + c]; c++) o['_f' + c] = null;
|
---|
| 573 | }
|
---|
| 574 | });
|
---|
| 575 |
|
---|
| 576 | function cancelEvent(e, c)
|
---|
| 577 | {
|
---|
| 578 | e.returnValue = false;
|
---|
| 579 | if (e.preventDefault) e.preventDefault();
|
---|
| 580 | if (c)
|
---|
| 581 | {
|
---|
| 582 | e.cancelBubble = true;
|
---|
| 583 | if (e.stopPropagation) e.stopPropagation();
|
---|
| 584 | }
|
---|
| 585 | };
|
---|
| 586 |
|
---|
| 587 | function addLoadEvent(func) {
|
---|
| 588 | var oldonload = window.onload;
|
---|
| 589 | if (typeof window.onload != 'function') {
|
---|
| 590 | window.onload = func;
|
---|
| 591 | } else {
|
---|
| 592 | window.onload = function() {
|
---|
| 593 | oldonload();
|
---|
| 594 | func();
|
---|
| 595 | }
|
---|
| 596 | }
|
---|
| 597 | }
|
---|
| 598 |
|
---|
| 599 |
|
---|
| 600 | /* Extend the Array object with some useful features
|
---|
| 601 | http://www.ditchnet.org/wp/?p=8
|
---|
| 602 | */
|
---|
| 603 |
|
---|
| 604 | Array.prototype.clear = function () {
|
---|
| 605 | this.length = 0;
|
---|
| 606 | };
|
---|
| 607 |
|
---|
| 608 | Array.prototype.remove = function (element) {
|
---|
| 609 | var result = false;
|
---|
| 610 | var array = [];
|
---|
| 611 | for (var i = 0; i < this.length; i++) {
|
---|
| 612 | if (this[i] == element) {
|
---|
| 613 | result = true;
|
---|
| 614 | } else {
|
---|
| 615 | array.push(this[i]);
|
---|
| 616 | }
|
---|
| 617 | }
|
---|
| 618 | this.clear();
|
---|
| 619 | for (var i = 0; i < array.length; i++) {
|
---|
| 620 | this.push(array[i]);
|
---|
| 621 | }
|
---|
| 622 | array = null;
|
---|
| 623 | return result;
|
---|
| 624 | };
|
---|
| 625 |
|
---|
| 626 |
|
---|
| 627 | // *** Drag and Resize Library Code ***
|
---|
| 628 | // (c) 2005 Angus Turnbull http://www.twinhelix.come
|
---|
| 629 |
|
---|
| 630 | function DragResize(myName, config)
|
---|
| 631 | {
|
---|
| 632 | var props = {
|
---|
| 633 | myName: myName, // Name of the object.
|
---|
| 634 | enabled: true, // Global toggle of drag/resize.
|
---|
| 635 | handles: ['tl', 'tm', 'tr',
|
---|
| 636 | 'ml', 'mr', 'bl', 'bm', 'br'], // Array of drag handles: top/mid/.
|
---|
| 637 | isElement: null, // Function ref to test for an element.
|
---|
| 638 | isHandle: null, // Function ref to test for move handle.
|
---|
| 639 | element: null, // The currently selected element.
|
---|
| 640 | dragging: null, // Active handle reference of the element.
|
---|
| 641 | minWidth: 10, minHeight: 10, // Minimum pixel size of elements.
|
---|
| 642 | minLeft: 0, maxRight: 9999, // Bounding box area.
|
---|
| 643 | minTop: 0, maxBottom: 9999,
|
---|
| 644 | zIndex: 1, // The highest Z-Index yet allocated.
|
---|
| 645 | mouseX: 0, mouseY: 0, // Current mouse position, recorded live.
|
---|
| 646 | lastMouseX: 0, lastMouseY: 0, // Last processed mouse positions.
|
---|
| 647 | mOffX: 0, mOffY: 0, // A known offset between position & mouse.
|
---|
| 648 | elmX: 0, elmY: 0, // Element position.
|
---|
| 649 | elmW: 0, elmH: 0, // Element size.
|
---|
| 650 | allowBlur: true, // Whether to allow automatic blur onclick.
|
---|
| 651 | ondragfocus: null, // Event handler functions.
|
---|
| 652 | ondragstart: null,
|
---|
| 653 | ondragmove: null,
|
---|
| 654 | ondragend: null,
|
---|
| 655 | ondragblur: null
|
---|
| 656 | };
|
---|
| 657 |
|
---|
| 658 | for (var p in props)
|
---|
| 659 | {
|
---|
| 660 | this[p] = (typeof config[p] == 'undefined') ? props[p] : config[p];
|
---|
| 661 | }
|
---|
| 662 | };
|
---|
| 663 |
|
---|
| 664 | DragResize.prototype.apply = function(node)
|
---|
| 665 | {
|
---|
| 666 | // Adds object event handlers to the specified DOM node.
|
---|
| 667 |
|
---|
| 668 | var obj = this;
|
---|
| 669 | addEvent(node, 'mousedown', function(e) { obj.mouseDown(e) } );
|
---|
| 670 | addEvent(node, 'mousemove', function(e) { obj.mouseMove(e) } );
|
---|
| 671 | addEvent(node, 'mouseup', function(e) { obj.mouseUp(e) } );
|
---|
| 672 | };
|
---|
| 673 |
|
---|
| 674 | DragResize.prototype.handleSet = function(elm, show) { with (this)
|
---|
| 675 | {
|
---|
| 676 | // Either creates, shows or hides the resize handles within an element.
|
---|
| 677 |
|
---|
| 678 | // If we're showing them, and no handles have been created, create 4 new ones.
|
---|
| 679 | if (!elm._handle_tr)
|
---|
| 680 | {
|
---|
| 681 | for (var h = 0; h < handles.length; h++)
|
---|
| 682 | {
|
---|
| 683 | // Create 4 news divs, assign each a generic + specific class.
|
---|
| 684 | var hDiv = document.createElement('div');
|
---|
| 685 | hDiv.className = myName + ' ' + myName + '-' + handles[h];
|
---|
| 686 | elm['_handle_' + handles[h]] = elm.appendChild(hDiv);
|
---|
| 687 | }
|
---|
| 688 | }
|
---|
| 689 |
|
---|
| 690 | // We now have handles. Find them all and show/hide.
|
---|
| 691 | for (var h = 0; h < handles.length; h++)
|
---|
| 692 | {
|
---|
| 693 | elm['_handle_' + handles[h]].style.visibility = show ? 'inherit' : 'hidden';
|
---|
| 694 | }
|
---|
| 695 | }};
|
---|
| 696 |
|
---|
| 697 |
|
---|
| 698 | DragResize.prototype.select = function(newElement) { with (this)
|
---|
| 699 | {
|
---|
| 700 | // Selects an element for dragging.
|
---|
| 701 |
|
---|
| 702 | if (!document.getElementById || !enabled) return;
|
---|
| 703 |
|
---|
| 704 | // Activate and record our new dragging element.
|
---|
| 705 | if (newElement && (newElement != element) && enabled)
|
---|
| 706 | {
|
---|
| 707 | element = newElement;
|
---|
| 708 | // Elevate it and give it resize handles.
|
---|
| 709 | element.style.zIndex = ++zIndex;
|
---|
| 710 | handleSet(element, true);
|
---|
| 711 | // Record element attributes for mouseMove().
|
---|
| 712 | elmX = parseInt(element.style.left);
|
---|
| 713 | elmY = parseInt(element.style.top);
|
---|
| 714 | elmW = element.offsetWidth;
|
---|
| 715 | elmH = element.offsetHeight;
|
---|
| 716 | if (ondragfocus) this.ondragfocus();
|
---|
| 717 | //window.status = 'start elmX=' + element.className;
|
---|
| 718 |
|
---|
| 719 | }
|
---|
| 720 | }};
|
---|
| 721 |
|
---|
| 722 |
|
---|
| 723 | DragResize.prototype.deselect = function(keepHandles) { with (this)
|
---|
| 724 | {
|
---|
| 725 | // Immediately stops dragging an element. If 'keepHandles' is false, this
|
---|
| 726 | // remove the handles from the element and clears the element flag,
|
---|
| 727 | // completely resetting the .
|
---|
| 728 |
|
---|
| 729 | if (!document.getElementById || !enabled) return;
|
---|
| 730 |
|
---|
| 731 | if (!keepHandles)
|
---|
| 732 | {
|
---|
| 733 | if (ondragblur) this.ondragblur();
|
---|
| 734 | handleSet(element, false);
|
---|
| 735 | element = null;
|
---|
| 736 | }
|
---|
| 737 |
|
---|
| 738 | dragging = null;
|
---|
| 739 | mOffX = 0;
|
---|
| 740 | mOffY = 0;
|
---|
| 741 | }};
|
---|
| 742 |
|
---|
| 743 |
|
---|
| 744 | DragResize.prototype.mouseDown = function(e) { with (this)
|
---|
| 745 | {
|
---|
| 746 | //window.status = 'mouseDown!';
|
---|
| 747 | // Suitable elements are selected for drag/resize on mousedown.
|
---|
| 748 | // We also initialise the resize boxes, and drag parameters like mouse position etc.
|
---|
| 749 | if (!document.getElementById || !enabled) return true;
|
---|
| 750 |
|
---|
| 751 | var elm = e.target || e.srcElement,
|
---|
| 752 | newElement = null,
|
---|
| 753 | newHandle = null,
|
---|
| 754 | hRE = new RegExp(myName + '-([trmbl]{2})', '');
|
---|
| 755 |
|
---|
| 756 | while (elm)
|
---|
| 757 | {
|
---|
| 758 | // Loop up the DOM looking for matching elements. Remember one if found.
|
---|
| 759 | if (elm.className)
|
---|
| 760 | {
|
---|
| 761 | if (!newHandle && (hRE.test(elm.className) || isHandle(elm))) newHandle = elm;
|
---|
| 762 | if (isElement(elm)) { newElement = elm; break }
|
---|
| 763 | }
|
---|
| 764 | elm = elm.parentNode;
|
---|
| 765 | }
|
---|
| 766 |
|
---|
| 767 | // If this isn't on the last dragged element, call deselect(false),
|
---|
| 768 | // which will hide its handles and clear element.
|
---|
| 769 | if (element && (element != newElement) && allowBlur) deselect(false);
|
---|
| 770 |
|
---|
| 771 | // If we have a new matching element, call select().
|
---|
| 772 | if (newElement && (!element || (newElement == element)))
|
---|
| 773 | {
|
---|
| 774 | // Stop mouse selections.
|
---|
| 775 | cancelEvent(e);
|
---|
| 776 | select(newElement, newHandle);
|
---|
| 777 | dragging = newHandle;
|
---|
| 778 | if (dragging && ondragstart) this.ondragstart();
|
---|
| 779 | }
|
---|
| 780 | }};
|
---|
| 781 |
|
---|
| 782 |
|
---|
| 783 | DragResize.prototype.mouseMove = function(e) { with (this)
|
---|
| 784 | {
|
---|
| 785 | // This continually offsets the dragged element by the difference between the
|
---|
| 786 | // last recorded mouse position (mouseX/Y) and the current mouse position.
|
---|
| 787 | if (!document.getElementById || !enabled) return true;
|
---|
| 788 |
|
---|
| 789 | // We always record the current mouse position.
|
---|
| 790 | mouseX = e.pageX || e.clientX + document.documentElement.scrollLeft;
|
---|
| 791 | mouseY = e.pageY || e.clientY + document.documentElement.scrollTop;
|
---|
| 792 | // Record the relative mouse movement, in case we're dragging.
|
---|
| 793 | // Add any previously stored&ignored offset to the calculations.
|
---|
| 794 | var diffX = mouseX - lastMouseX + mOffX;
|
---|
| 795 | var diffY = mouseY - lastMouseY + mOffY;
|
---|
| 796 | mOffX = mOffY = 0;
|
---|
| 797 | // Update last processed mouse positions.
|
---|
| 798 | lastMouseX = mouseX;
|
---|
| 799 | lastMouseY = mouseY;
|
---|
| 800 |
|
---|
| 801 | // That's all we do if we're not dragging anything.
|
---|
| 802 | if (!dragging) return true;
|
---|
| 803 |
|
---|
| 804 | // Establish which handle is being dragged -- retrieve handle name from className.
|
---|
| 805 | var hClass = dragging && dragging.className &&
|
---|
| 806 | dragging.className.match(new RegExp(myName + '-([tmblr]{2})')) ? RegExp.$1 : '';
|
---|
| 807 |
|
---|
| 808 | // If the hClass is one of the resize handles, resize one or two dimensions.
|
---|
| 809 | // Bounds checking is the hard bit -- basically for each edge, check that the
|
---|
| 810 | // element doesn't go under minimum size, and doesn't go beyond its boundary.
|
---|
| 811 | var rs = 0, dY = diffY, dX = diffX;
|
---|
| 812 | if (hClass.indexOf('t') >= 0)
|
---|
| 813 | {
|
---|
| 814 | rs = 1;
|
---|
| 815 | if (elmH - dY < minHeight) mOffY = (dY - (diffY = elmH - minHeight));
|
---|
| 816 | else if (elmY + dY < minTop) mOffY = (dY - (diffY = minTop - elmY));
|
---|
| 817 | elmY += diffY;
|
---|
| 818 | elmH -= diffY;
|
---|
| 819 | }
|
---|
| 820 | if (hClass.indexOf('b') >= 0)
|
---|
| 821 | {
|
---|
| 822 | rs = 1;
|
---|
| 823 | if (elmH + dY < minHeight) mOffY = (dY - (diffY = minHeight - elmH));
|
---|
| 824 | else if (elmY + elmH + dY > maxBottom) mOffY = (dY - (diffY = maxBottom - elmY - elmH));
|
---|
| 825 | elmH += diffY;
|
---|
| 826 | }
|
---|
| 827 | if (hClass.indexOf('l') >= 0)
|
---|
| 828 | {
|
---|
| 829 | rs = 1;
|
---|
| 830 | if (elmW - dX < minWidth) mOffX = (dX - (diffX = elmW - minWidth));
|
---|
| 831 | else if (elmX + dX < minLeft) mOffX = (dX - (diffX = minLeft - elmX));
|
---|
| 832 | elmX += diffX;
|
---|
| 833 | elmW -= diffX;
|
---|
| 834 | }
|
---|
| 835 | if (hClass.indexOf('r') >= 0)
|
---|
| 836 | {
|
---|
| 837 | rs = 1;
|
---|
| 838 | if (elmW + dX < minWidth) mOffX = (dX - (diffX = minWidth - elmW));
|
---|
| 839 | else if (elmX + elmW + dX > maxRight) mOffX = (dX - (diffX = maxRight - elmX - elmW));
|
---|
| 840 | elmW += diffX;
|
---|
| 841 | window.status = 'diffX:' + diffX;
|
---|
| 842 | }
|
---|
| 843 | // If 'rs' isn't set, we must be dragging the whole element, so move that.
|
---|
| 844 | if (dragging && !rs)
|
---|
| 845 | {
|
---|
| 846 | // Bounds check left-right...
|
---|
| 847 | if (elmX + dX < minLeft) mOffX = (dX - (diffX = minLeft - elmX));
|
---|
| 848 | else if (elmX + elmW + dX > maxRight) mOffX = (dX - (diffX = maxRight - elmX - elmW));
|
---|
| 849 | // ...and up-down.
|
---|
| 850 | if (elmY + dY < minTop) mOffY = (dY - (diffY = minTop - elmY));
|
---|
| 851 | else if (elmY + elmH + dY > maxBottom) mOffY = (dY - (diffY = maxBottom - elmY - elmH));
|
---|
| 852 | //window.status = 'diffX-' + diffX + ' , elmX-' + elmX;
|
---|
| 853 | elmX += diffX;
|
---|
| 854 | elmY += diffY;
|
---|
| 855 | }
|
---|
| 856 |
|
---|
| 857 | //window.status = 'elmX=' + elmX;
|
---|
| 858 | // Assign new info back to the element, with minimum dimensions.
|
---|
| 859 | with (element.style)
|
---|
| 860 | {
|
---|
| 861 | left = elmX + 'px';
|
---|
| 862 | width = elmW + 'px';
|
---|
| 863 | top = elmY + 'px';
|
---|
| 864 | height = elmH + 'px';
|
---|
| 865 | }
|
---|
| 866 |
|
---|
| 867 | // Evil, dirty, hackish Opera select-as-you-drag fix.
|
---|
| 868 | if (window.opera && document.documentElement)
|
---|
| 869 | {
|
---|
| 870 | var oDF = document.getElementById('op-drag-fix');
|
---|
| 871 | if (!oDF)
|
---|
| 872 | {
|
---|
| 873 | var oDF = document.createElement('input');
|
---|
| 874 | oDF.id = 'op-drag-fix';
|
---|
| 875 | oDF.style.display = 'none';
|
---|
| 876 | document.body.appendChild(oDF);
|
---|
| 877 | }
|
---|
| 878 | oDF.focus();
|
---|
| 879 | }
|
---|
| 880 |
|
---|
| 881 | if (ondragmove) this.ondragmove();
|
---|
| 882 |
|
---|
| 883 | // Stop a normal drag event.
|
---|
| 884 | cancelEvent(e);
|
---|
| 885 | }};
|
---|
| 886 |
|
---|
| 887 |
|
---|
| 888 | DragResize.prototype.mouseUp = function(e) { with (this)
|
---|
| 889 | {
|
---|
| 890 | // On mouseup, stop dragging, but don't reset handler visibility.
|
---|
| 891 | if (!document.getElementById || !enabled) return;
|
---|
| 892 |
|
---|
| 893 | if (ondragend) this.ondragend();
|
---|
| 894 | deselect(true);
|
---|
| 895 | }};
|
---|
| 896 |
|
---|
| 897 |
|
---|
| 898 |
|
---|