| [13631] | 1 | ;; loan-doc.lisp
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| 2 |
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| 3 | #|
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| 4 | The MIT license.
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| 5 |
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| 6 | Copyright (c) 2010 Paul L. Krueger
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| 7 |
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| 8 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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| 9 | and associated documentation files (the "Software"), to deal in the Software without restriction,
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| 10 | including without limitation the rights to use, copy, modify, merge, publish, distribute,
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| 11 | sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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| 12 | furnished to do so, subject to the following conditions:
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| 13 |
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| 14 | The above copyright notice and this permission notice shall be included in all copies or substantial
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| 15 | portions of the Software.
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| 16 |
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| 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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| 18 | LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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| 19 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 20 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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| 21 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 22 |
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| 23 | |#
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| 24 |
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| 25 | (eval-when (:compile-toplevel :load-toplevel :execute)
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| 26 | (require :menu-utils)
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| 27 | (require :decimal)
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| 28 | (require :date)
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| 29 | (require :lisp-doc-controller)
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| 30 | (require :loan-win-cntrl)
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| 31 | (require :loan-pr-view)
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| 32 | (require :ns-string-utils))
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| 33 |
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| 34 | (defpackage :loan-document
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| 35 | (:nicknames :lnd)
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| 36 | (:use :iu :ccl :common-lisp))
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| 37 |
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| 38 | (in-package :lnd)
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| 39 |
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| 40 | ;; demonstration code for creating a Cocoa document class in lisp that can be required
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| 41 | ;; and loaded into a standard running CCL IDE (i.e. does not require a stand-alone program).
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| 42 |
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| 43 | (defconstant $max-interest-rate$ .5)
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| 44 |
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| 45 | ;; Some loan utility functions
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| 46 |
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| 47 | ;; all equations are derived from a basic loan equation for an N month loan:
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| 48 | ;; LoanPrinciple = MonthlyPayment * ( (1 / (1 + MonthlyInterest)) +
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| 49 | ;; (1 / (1 + MonthlyInterest)^2) + ... +
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| 50 | ;; (1 / (1 + MonthlyInterest)^N) )
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| 51 | ;; which can be manipulated to derive:
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| 52 | ;; MonthlyPayment = LoanPrinciple * (MonthlyInterest + (MonthlyInterest / ((1 + MonthlyInterest)^LoanDuration - 1)))
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| 53 |
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| 54 | (defun pay-to-loan-ratio (mo-int loan-dur)
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| 55 | ;; Just computes the MonthlyPayment/Loan ratio from the basic loan equation given above
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| 56 | (if (zerop mo-int) 0
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| 57 | (+ mo-int (/ mo-int (1- (expt (1+ mo-int) loan-dur))))))
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| 58 |
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| 59 | ;; The loan class
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| 60 |
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| 61 | (defclass loan-doc (ns:ns-document)
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| 62 | ((loan-amount :accessor loan-amount :initform 0)
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| 63 | (interest-rate :accessor interest-rate :initform 0)
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| 64 | (loan-duration :accessor loan-duration :initform 0)
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| 65 | (monthly-payment :accessor monthly-payment :initform 0)
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| 66 | (origination-date :accessor origination-date :initform (now))
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| 67 | (first-payment :accessor first-payment :initform (next-month (now)))
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| 68 | (pay-schedule :accessor pay-schedule :initform nil)
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| 69 | (compute-mode :accessor compute-mode :initform 0)
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| 70 | (last-set-param :accessor last-set-param :initform nil)
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| 71 | (max-dur :foreign-type #>BOOL :accessor max-dur)
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| 72 | (min-dur :foreign-type #>BOOL :accessor min-dur)
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| 73 | (min-pay :foreign-type #>BOOL :accessor min-pay))
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| 74 | (:default-initargs
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| 75 | :doc-class nil
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| 76 | :menu-name nil
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| 77 | :file-ext nil)
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| 78 | (:metaclass ns:+ns-object))
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| 79 |
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| 80 | (defvar *loan-doc-controller* (make-instance 'lisp-doc-controller
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| 81 | :doc-class (find-class 'loan-doc)
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| 82 | :menu-class "Loan"
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| 83 | :file-ext "loan"))
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| 84 |
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| 85 | ;; Normal lisp methods for our class
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| 86 |
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| 87 | (defmethod get-loan-state ((self loan-doc))
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| 88 | ;; returns a list of loan state values suitable for use by set-loan-state
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| 89 | (list (loan-amount self)
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| 90 | (interest-rate self)
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| 91 | (loan-duration self)
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| 92 | (monthly-payment self)
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| 93 | (origination-date self)
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| 94 | (first-payment self)
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| 95 | (max-dur self)
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| 96 | (min-dur self)
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| 97 | (min-pay self)))
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| 98 |
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| 99 | (defmethod set-loan-state ((self loan-doc) state-list)
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| 100 | (setf (last-set-param self) nil)
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| 101 | (#/willChangeValueForKey: self #@"loanAmt")
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| 102 | (setf (loan-amount self) (pop state-list))
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| 103 | (#/didChangeValueForKey: self #@"loanAmt")
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| 104 | (#/willChangeValueForKey: self #@"interestRate")
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| 105 | (setf (interest-rate self) (pop state-list))
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| 106 | (#/didChangeValueForKey: self #@"interestRate")
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| 107 | (#/willChangeValueForKey: self #@"loanDuration")
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| 108 | (setf (loan-duration self) (pop state-list))
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| 109 | (#/didChangeValueForKey: self #@"loanDuration")
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| 110 | (#/willChangeValueForKey: self #@"monthlyPayment")
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| 111 | (setf (monthly-payment self) (pop state-list))
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| 112 | (#/didChangeValueForKey: self #@"monthlyPayment")
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| 113 | (#/willChangeValueForKey: self #@"originationDate")
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| 114 | (setf (origination-date self) (pop state-list))
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| 115 | (#/didChangeValueForKey: self #@"originationDate")
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| 116 | (#/willChangeValueForKey: self #@"firstPayment")
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| 117 | (setf (first-payment self) (pop state-list))
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| 118 | (#/didChangeValueForKey: self #@"firstPayment")
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| 119 | (#/willChangeValueForKey: self #@"maxDur")
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| 120 | (setf (max-dur self) (pop state-list))
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| 121 | (#/didChangeValueForKey: self #@"maxDur")
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| 122 | (#/willChangeValueForKey: self #@"minDur")
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| 123 | (setf (min-dur self) (pop state-list))
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| 124 | (#/didChangeValueForKey: self #@"minDur")
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| 125 | (#/willChangeValueForKey: self #@"minPay")
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| 126 | (setf (min-pay self) (pop state-list))
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| 127 | (#/didChangeValueForKey: self #@"minPay")
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| 128 | (#/willChangeValueForKey: self #@"totInterest")
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| 129 | (setf (pay-schedule self) nil)
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| 130 | (#/didChangeValueForKey: self #@"totInterest")
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| 131 | (compute-new-loan-values self))
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| 132 |
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| 133 | (defmethod create-undo ((self loan-doc) undo-name &optional (always-undo nil))
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| 134 | (when (or always-undo (not (eq (last-set-param self) undo-name)))
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| 135 | (let ((undo (#/undoManager self))
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| 136 | (st (lisp-object-to-ns-data (get-loan-state self))))
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| 137 | (#/setLoanState: (#/prepareWithInvocationTarget: undo self)
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| 138 | st)
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| 139 | (unless (#/isUndoing undo)
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| 140 | (#/setActionName: undo undo-name))
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| 141 | (setf (last-set-param self) undo-name))))
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| 142 |
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| 143 | (defmethod set-pay-schedule ((self loan-doc))
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| 144 | ;; create a detailed payment schedule for the loan using daily compounding of interest
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| 145 | ;; Payments are on the same date of each month, but the number of days between payments
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| 146 | ;; varies because the number of days in each month varies.
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| 147 | ;; We compute accurate interest compounded daily for the actual number of days.
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| 148 | (let ((monthly-interest (/ (interest-rate self) 12))
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| 149 | (payment (monthly-payment self))
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| 150 | (sched nil)
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| 151 | (display-min-pay-banner nil))
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| 152 | (prog1
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| 153 | (do* ((begin (loan-amount self) end)
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| 154 | (begin-date (first-payment self) end-date)
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| 155 | (end-date (next-month begin-date) (next-month begin-date))
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| 156 | (int (round (* begin monthly-interest))
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| 157 | (round (* begin monthly-interest)))
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| 158 | (end (- (+ begin int) payment) (- (+ begin int) payment)))
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| 159 | ((not (plusp end))
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| 160 | (progn
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| 161 | (push (list (short-date-string begin-date)
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| 162 | (/ begin 100)
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| 163 | (/ int 100)
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| 164 | (/ payment 100)
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| 165 | (short-date-string end-date)
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| 166 | (/ end 100)
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| 167 | int)
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| 168 | sched)
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| 169 | (setf (pay-schedule self) (nreverse sched))))
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| 170 | (when (>= end begin)
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| 171 | ;; oops, with this combination of values the loan will never
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| 172 | ;; be paid off, so let's set a minimum payment required
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| 173 | ;; Display a field that tells user the minimum payment was reached
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| 174 | (setf display-min-pay-banner t)
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| 175 | (#/willChangeValueForKey: self #@"monthlyPayment")
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| 176 | (setf (monthly-payment self) (1+ int))
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| 177 | (#/didChangeValueForKey: self #@"monthlyPayment")
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| 178 | ;; now patch up our loop variables and keep going
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| 179 | (setf payment (monthly-payment self))
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| 180 | (setf end (1- begin)))
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| 181 | ;; put the last payment into the list
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| 182 | (push (list (short-date-string begin-date)
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| 183 | (/ begin 100)
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| 184 | (/ int 100)
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| 185 | (/ payment 100)
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| 186 | (short-date-string end-date)
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| 187 | (/ end 100)
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| 188 | int)
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| 189 | sched))
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| 190 | (#/willChangeValueForKey: self #@"totInterest")
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| 191 | ;; we'll make the total interest field call our accessor
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| 192 | ;; to generate a new amount
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| 193 | (#/didChangeValueForKey: self #@"totInterest")
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| 194 | (if display-min-pay-banner
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| 195 | (progn
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| 196 | ;; Set a condition that says the minimum payment was reached
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| 197 | (setf display-min-pay-banner t)
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| 198 | (#/willChangeValueForKey: self #@"minPay")
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| 199 | (setf (min-pay self) #$YES)
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| 200 | (#/didChangeValueForKey: self #@"minPay"))
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| 201 | (progn
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| 202 | ;; otherwise reset that condition
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| 203 | (#/willChangeValueForKey: self #@"minPay")
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| 204 | (setf (min-pay self) #$NO)
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| 205 | (#/didChangeValueForKey: self #@"minPay")))
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| 206 | ;; If we happen to be computing the interest rate, then
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| 207 | ;; the combination of loan-amount and monthly payment will
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| 208 | ;; determine a maximum interest rate. This, in turn,
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| 209 | ;; determines a maximum loan duration. If the duration was set
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| 210 | ;; longer than this by the user, we will reset the
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| 211 | ;; lone duration value to the maximum needed.
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| 212 | ;; If, on the other hand, the monthly payment is set so low that
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| 213 | ;; the interest rate approaches 0, then we may have to adjust the
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| 214 | ;; loan duration up to the minimum needed to pay the loan.
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| 215 | ;; Let's start by resetting our two "duration" conditions and then we'll
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| 216 | ;; set them if conditions dictate.
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| 217 | ;; Reset a condition that indicates the max duration was reached
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| 218 | (#/willChangeValueForKey: self #@"maxDur")
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| 219 | (setf (max-dur self) #$NO)
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| 220 | (#/didChangeValueForKey: self #@"maxDur")
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| 221 | ;; Reset a condition that indicates the min duration was reached
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| 222 | (#/willChangeValueForKey: self #@"minDur")
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| 223 | (setf (min-dur self) #$NO)
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| 224 | (#/didChangeValueForKey: self #@"minDur"))
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| 225 | (let ((duration-diff (- (loan-duration self) (list-length (pay-schedule self)))))
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| 226 | (unless (or (eql (compute-mode self) 2) (zerop duration-diff))
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| 227 | ;; i.e. we're not calling this function just to determine the loan duration
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| 228 | ;; and we have to adjust the loan duration
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| 229 | (if (plusp duration-diff)
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| 230 | (progn
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| 231 | ;; change the loan-duration value to what it must be
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| 232 | (#/willChangeValueForKey: self #@"loanDuration")
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| 233 | (setf (loan-duration self) (list-length (pay-schedule self)))
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| 234 | (#/didChangeValueForKey: self #@"loanDuration")
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| 235 | (when (> duration-diff 2)
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| 236 | ;; If we're one-off just fix it and don't post a message
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| 237 | ;; This can occur almost anytime because of numerical issues
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| 238 | ;; Display a field that tells user the max duration was reached
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| 239 | (#/willChangeValueForKey: self #@"maxDur")
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| 240 | (setf (max-dur self) #$YES)
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| 241 | (#/didChangeValueForKey: self #@"maxDur")))
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| 242 | (progn
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| 243 | ;; change the oan-duration value to what it must be
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| 244 | (#/willChangeValueForKey: self #@"loanDuration")
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| 245 | (setf (loan-duration self) (list-length (pay-schedule self)))
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| 246 | (#/didChangeValueForKey: self #@"loanDuration")
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| 247 | (when (< duration-diff -2)
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| 248 | ;; If we're one-off just fix it and don't post a message
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| 249 | ;; This can occur almost anytime because of numerical issues
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| 250 | ;; Display a field that tells user the min duration was reached
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| 251 | (#/willChangeValueForKey: self #@"minDur")
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| 252 | (setf (min-dur self) #$YES)
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| 253 | (#/didChangeValueForKey: self #@"minDur"))))))))
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| 254 |
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| 255 | (defmethod print-pay-schedule ((self loan-doc) &optional (strm t))
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| 256 | (format strm
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| 257 | "~:{~%On ~a balance = $~$ + interest of $~$ - payment of $~$ = ~a balance of $~$~}"
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| 258 | (pay-schedule self)))
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| 259 |
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| 260 | (defmethod compute-int-rate ((self loan-doc))
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| 261 | ;; Find a monthly interest rate that makes the rest of the values work.
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| 262 | ;; There isn't an algebraic solution for the interest rate, so let's search for it.
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| 263 | ;; Find a suitable search range and do a binary search for it. Even for large interest
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| 264 | ;; rates the number of search iterations should be minimal.
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| 265 |
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| 266 | (with-slots (loan-amount monthly-payment loan-duration interest-rate) self
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| 267 |
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| 268 | ;; First we'll check to see whether the monthly payment is great than the loan amount.
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| 269 | ;; If so we'll set the interest rate directly so that the loan is paid off in one month.
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| 270 | ;; This avoids some ugly arithmetic overflow things that can happen when interest rates
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| 271 | ;; go off the charts
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| 272 | (let ((max-monthly-rate (/ $max-interest-rate$ 12)))
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| 273 | (if (>= monthly-payment loan-amount)
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| 274 | (min max-monthly-rate (1- (/ monthly-payment loan-amount)))
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| 275 | (let ((imin (max 0 (min max-monthly-rate
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| 276 | (/ (- (* monthly-payment loan-duration) loan-amount)
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| 277 | (* loan-duration loan-amount)))))
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| 278 | ;; imin is basically a rate that would result in the first month's interest as
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| 279 | ;; the average interest paid for all months. Since we know it must be greater
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| 280 | ;; than this, we have a guaranteed lower bound. But we cap it at our allowed
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| 281 | ;; monthly maximum interest.
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| 282 | (imax (min max-monthly-rate
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| 283 | (- (/ monthly-payment loan-amount) .000008333)))
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| 284 | ;; imax is a rate that would result in the first month's interest being
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| 285 | ;; minimally smaller than the payment. Since we must pay off in a finite
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| 286 | ;; duration, this is a guaranteed maximum. We cap it the allowed maximum
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| 287 | ;; monthly rate.
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| 288 | (target-p-l-ratio (/ monthly-payment loan-amount)))
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| 289 | (unless (>= imax imin)
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| 290 | (error "Max int = ~8,4f, Min int = ~8,4f" imax imin))
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| 291 | (do* ((i (/ (+ imin imax) 2)
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| 292 | (/ (+ imin imax) 2))
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| 293 | (p-l-ratio (pay-to-loan-ratio i loan-duration)
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| 294 | (pay-to-loan-ratio i loan-duration)))
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| 295 | ((<= (- imax imin) .000001) imax)
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| 296 | (if (>= target-p-l-ratio p-l-ratio)
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| 297 | (setf imin i)
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| 298 | (setf imax i))))))))
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| 299 |
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| 300 | (defmethod compute-new-loan-values ((self loan-doc))
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| 301 | ;; For the sake of expediency we assume monthly componding
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| 302 | ;; The basic equation governing these computations is
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| 303 | (with-slots (compute-mode interest-rate loan-duration monthly-payment
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| 304 | loan-amount pay-schedule) self
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| 305 | (case compute-mode
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| 306 | (0
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| 307 | ;; compute the loan amount
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| 308 | (unless (or (zerop interest-rate)
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| 309 | (zerop loan-duration)
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| 310 | (zerop monthly-payment))
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| 311 | (#/willChangeValueForKey: self #@"loanAmt")
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| 312 | (setf loan-amount
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| 313 | (round (/ monthly-payment
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| 314 | (pay-to-loan-ratio (/ interest-rate 12)
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| 315 | loan-duration))))
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| 316 | (set-pay-schedule self)
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| 317 | (#/didChangeValueForKey: self #@"loanAmt")))
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| 318 | (1
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| 319 | ;; compute the interest rate
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| 320 | (unless (or (zerop loan-amount)
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| 321 | (zerop loan-duration)
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| 322 | (zerop monthly-payment))
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| 323 | (#/willChangeValueForKey: self #@"interestRate")
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| 324 | (setf interest-rate
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| 325 | (* 12 (/ (floor (* 1000000 (compute-int-rate self)))
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| 326 | 1000000)))
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| 327 | (set-pay-schedule self)
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| 328 | (#/didChangeValueForKey: self #@"interestRate")))
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| 329 | (2
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| 330 | ;; compute the loan duration
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| 331 | (unless (or (zerop interest-rate)
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| 332 | (zerop loan-amount)
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| 333 | (zerop monthly-payment))
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| 334 | (#/willChangeValueForKey: self #@"loanDuration")
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| 335 | (set-pay-schedule self)
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| 336 | (setf loan-duration
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| 337 | (list-length pay-schedule))
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| 338 | (#/didChangeValueForKey: self #@"loanDuration")))
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| 339 | (3
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| 340 | ;; compute the monthly payment
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| 341 | (unless (or (zerop interest-rate)
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| 342 | (zerop loan-amount)
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| 343 | (zerop loan-duration))
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| 344 | (#/willChangeValueForKey: self #@"monthlyPayment")
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| 345 | (setf monthly-payment
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| 346 | (round (* loan-amount
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| 347 | (pay-to-loan-ratio (/ interest-rate 12)
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| 348 | loan-duration))))
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| 349 | (set-pay-schedule self)
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| 350 | (#/didChangeValueForKey: self #@"monthlyPayment"))))))
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| 351 |
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| 352 | ;; Accessor functions used by display objects to retrieve and set values as dictated
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| 353 | ;; by the bindings we set up in IB
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| 354 |
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| 355 | (objc:defmethod (#/loanAmt :id)
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| 356 | ((self loan-doc))
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| 357 | (lisp-to-ns-decimal (loan-amount self)))
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| 358 |
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| 359 | (objc:defmethod (#/interestRate :id)
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| 360 | ((self loan-doc))
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| 361 | (#/numberWithFloat: ns:ns-number (float (interest-rate self))))
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| 362 |
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| 363 | (objc:defmethod (#/loanDuration :id)
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| 364 | ((self loan-doc))
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| 365 | (#/numberWithInt: ns:ns-number (loan-duration self)))
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| 366 |
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| 367 | (objc:defmethod (#/monthlyPayment :id)
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| 368 | ((self loan-doc))
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| 369 | (lisp-to-ns-decimal (monthly-payment self)))
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| 370 |
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| 371 | (objc:defmethod (#/originationDate :id)
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| 372 | ((self loan-doc))
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| 373 | (lisp-to-ns-date (origination-date self)))
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| 374 |
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| 375 | (objc:defmethod (#/firstPayment :id)
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| 376 | ((self loan-doc))
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| 377 | (lisp-to-ns-date (first-payment self)))
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| 378 |
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| 379 | (objc:defmethod (#/totInterest :id)
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| 380 | ((self loan-doc))
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| 381 | (lisp-to-ns-decimal (reduce #'+ (pay-schedule self)
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| 382 | :key #'seventh
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| 383 | :initial-value 0)))
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| 384 |
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| 385 | (objc:defmethod (#/setLoanAmt: :void)
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| 386 | ((self loan-doc) (amt :id))
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| 387 | (create-undo self #@"set loan amount")
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| 388 | (setf (loan-amount self) (lisp-from-ns-decimal amt))
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| 389 | (compute-new-loan-values self))
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| 390 |
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| 391 | (objc:defmethod (#/setInterestRate: :void)
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| 392 | ((self loan-doc) (rate :id))
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| 393 | (create-undo self #@"set interest rate")
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| 394 | (setf (interest-rate self) (#/floatValue rate))
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| 395 | (compute-new-loan-values self))
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| 396 |
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| 397 | (objc:defmethod (#/setLoanDuration: :void)
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| 398 | ((self loan-doc) (dur :id))
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| 399 | (create-undo self #@"set loan duration")
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| 400 | (setf (loan-duration self) (#/longValue dur))
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| 401 | (compute-new-loan-values self))
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| 402 |
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| 403 | (objc:defmethod (#/setMonthlyPayment: :void)
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| 404 | ((self loan-doc) (pay :id))
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| 405 | (create-undo self #@"set monthly payment")
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| 406 | (setf (monthly-payment self) (lisp-from-ns-decimal pay))
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| 407 | (compute-new-loan-values self))
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| 408 |
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| 409 | (objc:defmethod (#/setOriginationDate: :void)
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| 410 | ((self loan-doc) (dt :id))
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| 411 | (create-undo self #@"set origination date")
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| 412 | (let ((new-dt (ns-to-lisp-date dt)))
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| 413 | (setf (origination-date self) new-dt)
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| 414 | (#/willChangeValueForKey: self #@"firstPayment")
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| 415 | (setf (first-payment self) (next-month new-dt))
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| 416 | (#/didChangeValueForKey: self #@"firstPayment"))
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| 417 | (compute-new-loan-values self))
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| 418 |
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| 419 | (objc:defmethod (#/setFirstPayment: :void)
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| 420 | ((self loan-doc) (pay :id))
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| 421 | (create-undo self #@"set first payment date")
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| 422 | (let ((new-pay (ns-to-lisp-date pay)))
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| 423 | (setf (first-payment self) new-pay))
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| 424 | (compute-new-loan-values self))
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| 425 |
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| 426 | ;; Necessary overrides of NSDocument methods
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| 427 | ;; Methods called to read data from and write data to external files
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| 428 |
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| 429 | (objc:defmethod (#/readFromData:ofType:error: #>BOOL)
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| 430 | ((self loan-doc) (data :id) (dtype :id) (err (:* :id)))
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| 431 | (declare (ignore err dtype))
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| 432 | (set-loan-state self (ns-data-to-lisp-object data))
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| 433 | #$YES)
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| 434 |
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| 435 | (objc:defmethod (#/dataOfType:error: :id)
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| 436 | ((self loan-doc) (dtype :id) (err (:* :id)))
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| 437 | (declare (ignore dtype err))
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| 438 | (lisp-object-to-ns-data (get-loan-state self)))
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| 439 |
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| 440 | (objc:defmethod (#/setLoanState: :void)
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| 441 | ((self loan-doc) (st :id))
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| 442 | (create-undo self nil t)
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| 443 | ;; called when user does an "undo"
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| 444 | (set-loan-state self (ns-data-to-lisp-object st)))
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| 445 |
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| 446 | ;; Methods to manage windows
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| 447 |
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| 448 | (objc:defmethod (#/makeWindowControllers :void)
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| 449 | ((self loan-doc))
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| 450 | (let ((lwc (make-instance 'loan-win-controller
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| 451 | :with-loan self)))
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| 452 | (#/setShouldCloseDocument: lwc #$YES)
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| 453 | (#/addWindowController: self lwc)))
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| 454 |
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| 455 | (objc:defmethod (#/validateMenuItem: #>BOOL)
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| 456 | ((self loan-doc) (item :id))
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| 457 | (let* ((action (#/action item)))
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| 458 | (cond ((eql action (ccl::@selector #/saveDocument:))
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| 459 | (#/isDocumentEdited self))
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|---|
| 460 | (t (call-next-method item)))))
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| 461 |
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| 462 | (objc:defmethod (#/prepareSavePanel: #>BOOL)
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| 463 | ((self loan-doc) (panel :id))
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| 464 | (#/setRequiredFileType: panel #@"loan")
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| 465 | #$YES)
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| 466 |
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| 467 | ;; Printing Support
|
|---|
| 468 |
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|---|
| 469 | (objc:defmethod (#/printLoan: :void)
|
|---|
| 470 | ((self loan-doc) (sender :id))
|
|---|
| 471 | (declare (ignore sender))
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|---|
| 472 | (#/printDocument: self self))
|
|---|
| 473 |
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| 474 | (objc:defmethod (#/printOperationWithSettings:error: :id)
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| 475 | ((self loan-doc) (settings :id) (err (:* :id)))
|
|---|
| 476 | (declare (ignore err settings))
|
|---|
| 477 | (let ((pr-view (make-instance 'loan-print-view
|
|---|
| 478 | :loan self)))
|
|---|
| 479 | (#/printOperationWithView:printInfo: ns:ns-print-operation
|
|---|
| 480 | pr-view
|
|---|
| 481 | (#/printInfo self))))
|
|---|
| 482 |
|
|---|
| 483 | (provide :loan-doc)
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